-- apply provided patch


export LD_LIBRARY_PATH=/export/umesh/utils/gcc-9.2/lib64
export CC=/export/umesh/utils/gcc-9.2/bin/gcc
export CPP=/export/umesh/utils/gcc-9.2/bin/cpp
export CXX=/export/umesh/utils/gcc-9.2/bin/c++

rm -rf bld/
mkdir bld && cd bld
rm -rf CMakeCache.txt
/export/umesh/utils/cmake-3.16/bin/cmake .   \
-DCMAKE_BUILD_TYPE=Debug                      \
-DINSTALL_LAYOUT=STANDALONE                   \
-DWITH_NDBCLUSTER_STORAGE_ENGINE=0            \
-DCMAKE_INSTALL_PREFIX=$PWD/bld                   \
-DWITH_BOOST=./boost \
-DWITH_UNIT_TESTS=0 -DFORCE_INSOURCE_BUILD=1

make -j32
make install

-
 ./mtr t
Logging: ./mtr  t
MySQL Version 8.0.19
Too long tmpdir path '/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/mysql-test/var/tmp'  creating a shorter one
 - Using tmpdir: '/tmp/i09WioNZSR'

Checking supported features
 - Binaries are debug compiled
Using 'all' suites
Collecting tests
Removing old var directory
Creating var directory '/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/mysql-test/var'
Installing system database
Using parallel: 1

==============================================================================
                  TEST NAME                       RESULT  TIME (ms) COMMENT
------------------------------------------------------------------------------
[100%] main.t                                    [ fail ]
        Test ended at 2020-02-12 12:44:15

Server [mysqld.1 - pid: 19194, winpid: 19194, exit: 256] failed during test run
Server log from this test:
----------SERVER LOG START-----------
2020-02-12T11:43:59.546788Z 0 [Warning] [MY-010099] [Server] Insecure configuration for --secure-file-priv: Data directory is accessible through --secure-file-priv. Consider choosing a different directory.
2020-02-12T11:43:59.546818Z 0 [Warning] [MY-010101] [Server] Insecure configuration for --secure-file-priv: Location is accessible to all OS users. Consider choosing a different directory.
2020-02-12T11:43:59.546984Z 0 [Note] [MY-010949] [Server] Basedir set to /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/.
2020-02-12T11:43:59.547013Z 0 [System] [MY-010116] [Server] /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld (mysqld 8.0.19-debug) starting as process 19041
2020-02-12T11:43:59.562800Z 0 [Note] [MY-012366] [InnoDB] Using Linux native AIO
2020-02-12T11:43:59.563540Z 0 [Note] [MY-010747] [Server] Plugin 'FEDERATED' is disabled.
2020-02-12T11:43:59.569958Z 1 [Note] [MY-012932] [InnoDB] PUNCH HOLE support available
2020-02-12T11:43:59.570086Z 1 [Note] [MY-012937] [InnoDB] !!!!!!!! UNIV_DEBUG switched on !!!!!!!!!
2020-02-12T11:43:59.570176Z 1 [Note] [MY-012943] [InnoDB] Mutexes and rw_locks use GCC atomic builtins
2020-02-12T11:43:59.570265Z 1 [Note] [MY-012944] [InnoDB] Uses event mutexes
2020-02-12T11:43:59.570428Z 1 [Note] [MY-012945] [InnoDB] GCC builtin __atomic_thread_fence() is used for memory barrier
2020-02-12T11:43:59.570546Z 1 [Note] [MY-012948] [InnoDB] Compressed tables use zlib 1.2.11
2020-02-12T11:43:59.576121Z 1 [Note] [MY-013251] [InnoDB] Number of pools: 1
2020-02-12T11:43:59.576536Z 1 [Note] [MY-012951] [InnoDB] Using CPU crc32 instructions
2020-02-12T11:43:59.577564Z 1 [Note] [MY-012203] [InnoDB] Directories to scan './'
2020-02-12T11:43:59.577889Z 1 [Note] [MY-012204] [InnoDB] Scanning './'
2020-02-12T11:43:59.588279Z 1 [Note] [MY-012208] [InnoDB] Completed space ID check of 6 files.
2020-02-12T11:43:59.589715Z 1 [Note] [MY-012955] [InnoDB] Initializing buffer pool, total size = 24.000000M, instances = 1, chunk size =24.000000M
2020-02-12T11:43:59.604061Z 1 [Note] [MY-012957] [InnoDB] Completed initialization of buffer pool
2020-02-12T11:43:59.605700Z 0 [Note] [MY-011952] [InnoDB] If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
2020-02-12T11:43:59.718934Z 1 [Note] [MY-013086] [InnoDB] Starting to parse redo log at lsn = 19704353, whereas checkpoint_lsn = 19704673
2020-02-12T11:43:59.723604Z 1 [Note] [MY-013083] [InnoDB] Log background threads are being started...
2020-02-12T11:43:59.724373Z 1 [Note] [MY-012532] [InnoDB] Applying a batch of 0 redo log records ...
2020-02-12T11:43:59.724586Z 1 [Note] [MY-012535] [InnoDB] Apply batch completed!
2020-02-12T11:43:59.725177Z 1 [Note] [MY-013252] [InnoDB] Using undo tablespace './undo_001'.
2020-02-12T11:43:59.725741Z 1 [Note] [MY-013252] [InnoDB] Using undo tablespace './undo_002'.
2020-02-12T11:43:59.747799Z 1 [Note] [MY-012910] [InnoDB] Opened 2 existing undo tablespaces.
2020-02-12T11:43:59.748065Z 1 [Note] [MY-011980] [InnoDB] GTID recovery trx_no: 1277
2020-02-12T11:43:59.841297Z 1 [Note] [MY-012923] [InnoDB] Creating shared tablespace for temporary tables
2020-02-12T11:43:59.841672Z 1 [Note] [MY-012265] [InnoDB] Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2020-02-12T11:43:59.862444Z 1 [Note] [MY-012266] [InnoDB] File './ibtmp1' size is now 12 MB.
2020-02-12T11:43:59.863164Z 1 [Note] [MY-011825] [InnoDB] Scanning temp tablespace dir:'./#innodb_temp/'
2020-02-12T11:43:59.939818Z 1 [Note] [MY-013018] [InnoDB] Created 128 and tracked 128 new rollback segment(s) in the temporary tablespace. 128 are now active.
2020-02-12T11:43:59.940718Z 1 [Note] [MY-012976] [InnoDB] 8.0.19 started; log sequence number 19704673
2020-02-12T11:43:59.978909Z 1 [Note] [MY-011089] [Server] Data dictionary restarting version '80017'.
2020-02-12T11:44:00.922412Z 1 [Note] [MY-012357] [InnoDB] Reading DD tablespace files
2020-02-12T11:44:00.930051Z 1 [Note] [MY-012356] [InnoDB] Validated 8/8  tablespaces
2020-02-12T11:44:01.079450Z 1 [Note] [MY-010006] [Server] Using data dictionary with version '80017'.
2020-02-12T11:44:02.094579Z 0 [Note] [MY-010902] [Server] Thread priority attribute setting in Resource Group SQL shall be ignored due to unsupported platform or insufficient privilege.
2020-02-12T11:44:02.124322Z 0 [Note] [MY-012487] [InnoDB] DDL log recovery : begin
2020-02-12T11:44:02.124914Z 0 [Note] [MY-012488] [InnoDB] DDL log recovery : end
2020-02-12T11:44:02.125611Z 0 [Note] [MY-011946] [InnoDB] Loading buffer pool(s) from /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/mysql-test/var/mysqld.1/data/ib_buffer_pool
2020-02-12T11:44:02.136422Z 0 [Note] [MY-011946] [InnoDB] Buffer pool(s) load completed at 200212 14:44:02
2020-02-12T11:44:02.148248Z 0 [Note] [MY-012922] [InnoDB] Waiting for purge to start
2020-02-12T11:44:02.199214Z 0 [Warning] [MY-010075] [Server] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: f6f14c90-4d8c-11ea-92b0-0010e05f3e06.
2020-02-12T11:44:02.203870Z 0 [Note] [MY-010303] [Server] Skipping generation of SSL certificates as options related to SSL are specified.
2020-02-12T11:44:02.206278Z 0 [Warning] [MY-010068] [Server] CA certificate /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/mysql-test/std_data/cacert.pem is self signed.
2020-02-12T11:44:02.206710Z 0 [Note] [MY-010310] [Server] Skipping generation of RSA key pair as --sha256_password_auto_generate_rsa_keys is set to OFF.
2020-02-12T11:44:02.207065Z 0 [Note] [MY-010310] [Server] Skipping generation of RSA key pair as --caching_sha2_password_auto_generate_rsa_keys is set to OFF.
2020-02-12T11:44:02.207725Z 0 [Note] [MY-010252] [Server] Server hostname (bind-address): '*'; port: 13000
2020-02-12T11:44:02.208133Z 0 [Note] [MY-010253] [Server] IPv6 is available.
2020-02-12T11:44:02.208531Z 0 [Note] [MY-010264] [Server]   - '::' resolves to '::';
2020-02-12T11:44:02.208933Z 0 [Note] [MY-010251] [Server] Server socket created on IP: '::'.
2020-02-12T11:44:02.226389Z 0 [Warning] [MY-000067] [Server] unknown variable 'loose-mysqlx-ssl=DISABLED'.
2020-02-12T11:44:02.365344Z 0 [Note] [MY-011025] [Repl] Failed to start slave threads for channel ''.
2020-02-12T11:44:02.380501Z 4 [Note] [MY-010051] [Server] Event Scheduler: scheduler thread started with id 4
2020-02-12T11:44:02.381921Z 0 [System] [MY-010931] [Server] /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld: ready for connections. Version: '8.0.19-debug'  socket: '/tmp/i09WioNZSR/mysqld.1.sock'  port: 13000  Source distribution.
2020-02-12T11:44:02.596618Z 0 [Note] [MY-011240] [Server] Plugin mysqlx reported: 'Using SSL configuration from MySQL Server'
2020-02-12T11:44:02.597617Z 0 [Note] [MY-011243] [Server] Plugin mysqlx reported: 'Using OpenSSL for TLS connections'
2020-02-12T11:44:02.597742Z 0 [Note] [MY-011332] [Server] Plugin mysqlx reported: 'IPv6 is available'
2020-02-12T11:44:02.598491Z 0 [Note] [MY-011323] [Server] Plugin mysqlx reported: 'X Plugin ready for connections. bind-address: '::' port: 13010'
2020-02-12T11:44:02.598540Z 0 [Note] [MY-011323] [Server] Plugin mysqlx reported: 'X Plugin ready for connections. socket: '/tmp/i09WioNZSR/mysqlx.1.sock''
2020-02-12T11:44:02.598580Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: '/tmp/i09WioNZSR/mysqlx.1.sock' bind-address: '::' port: 13010
2020-02-12T11:44:04.277906Z 9 [System] [MY-013172] [Server] Received SHUTDOWN from user root. Shutting down mysqld (Version: 8.0.19-debug).
2020-02-12T11:44:04.600379Z 0 [Note] [MY-010067] [Server] Giving 1 client threads a chance to die gracefully
2020-02-12T11:44:04.600440Z 0 [Note] [MY-010117] [Server] Shutting down slave threads
2020-02-12T11:44:04.600469Z 0 [Note] [MY-010054] [Server] Event Scheduler: Killing the scheduler thread, thread id 4
2020-02-12T11:44:04.600487Z 0 [Note] [MY-010050] [Server] Event Scheduler: Waiting for the scheduler thread to reply
2020-02-12T11:44:04.600711Z 0 [Note] [MY-010048] [Server] Event Scheduler: Stopped
2020-02-12T11:44:04.600725Z 0 [Note] [MY-010118] [Server] Forcefully disconnecting 0 remaining clients
2020-02-12T11:44:04.600749Z 0 [Note] [MY-010043] [Server] Event Scheduler: Purging the queue. 0 events
2020-02-12T11:44:04.602161Z 0 [Note] [MY-012330] [InnoDB] FTS optimize thread exiting.
2020-02-12T11:44:04.640842Z 0 [Note] [MY-010120] [Server] Binlog end
2020-02-12T11:44:04.646398Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'mysqlx_cache_cleaner'
2020-02-12T11:44:04.646448Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'mysqlx'
2020-02-12T11:44:04.647124Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'ngram'
2020-02-12T11:44:04.647143Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'BLACKHOLE'
2020-02-12T11:44:04.647166Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'ARCHIVE'
2020-02-12T11:44:04.647177Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'TempTable'
2020-02-12T11:44:04.647187Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'PERFORMANCE_SCHEMA'
2020-02-12T11:44:04.647332Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'MRG_MYISAM'
2020-02-12T11:44:04.647358Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'MyISAM'
2020-02-12T11:44:04.647390Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_SESSION_TEMP_TABLESPACES'
2020-02-12T11:44:04.647403Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_CACHED_INDEXES'
2020-02-12T11:44:04.647413Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_VIRTUAL'
2020-02-12T11:44:04.647428Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_COLUMNS'
2020-02-12T11:44:04.647437Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_TABLESPACES'
2020-02-12T11:44:04.647452Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_INDEXES'
2020-02-12T11:44:04.647462Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_TABLESTATS'
2020-02-12T11:44:04.647471Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_TABLES'
2020-02-12T11:44:04.647481Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_FT_INDEX_TABLE'
2020-02-12T11:44:04.647490Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_FT_INDEX_CACHE'
2020-02-12T11:44:04.647500Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_FT_CONFIG'
2020-02-12T11:44:04.647509Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_FT_BEING_DELETED'
2020-02-12T11:44:04.647519Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_FT_DELETED'
2020-02-12T11:44:04.647528Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_FT_DEFAULT_STOPWORD'
2020-02-12T11:44:04.647541Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_METRICS'
2020-02-12T11:44:04.647550Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_TEMP_TABLE_INFO'
2020-02-12T11:44:04.647560Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_BUFFER_POOL_STATS'
2020-02-12T11:44:04.647569Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_BUFFER_PAGE_LRU'
2020-02-12T11:44:04.647587Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_BUFFER_PAGE'
2020-02-12T11:44:04.647596Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_CMP_PER_INDEX_RESET'
2020-02-12T11:44:04.647605Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_CMP_PER_INDEX'
2020-02-12T11:44:04.647614Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_CMPMEM_RESET'
2020-02-12T11:44:04.647624Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_CMPMEM'
2020-02-12T11:44:04.647634Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_CMP_RESET'
2020-02-12T11:44:04.647643Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_CMP'
2020-02-12T11:44:04.647654Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'INNODB_TRX'
2020-02-12T11:44:04.647663Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'MEMORY'
2020-02-12T11:44:04.647678Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'CSV'
2020-02-12T11:44:04.647695Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'sha2_cache_cleaner'
2020-02-12T11:44:04.647719Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'caching_sha2_password'
2020-02-12T11:44:04.647749Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'sha256_password'
2020-02-12T11:44:04.647759Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'mysql_native_password'
2020-02-12T11:44:04.648017Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'binlog'
2020-02-12T11:44:04.648040Z 0 [Note] [MY-010733] [Server] Shutting down plugin 'InnoDB'
2020-02-12T11:44:04.648115Z 0 [Note] [MY-013072] [InnoDB] Starting shutdown...
2020-02-12T11:44:04.648275Z 0 [Note] [MY-011944] [InnoDB] Dumping buffer pool(s) to /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/mysql-test/var/mysqld.1/data/ib_buffer_pool
2020-02-12T11:44:04.648579Z 0 [Note] [MY-011944] [InnoDB] Buffer pool(s) dump completed at 200212 14:44:04
2020-02-12T11:44:05.023452Z 0 [Note] [MY-013084] [InnoDB] Log background threads are being closed...
2020-02-12T11:44:05.421466Z 0 [Note] [MY-012980] [InnoDB] Shutdown completed; log sequence number 20758462
2020-02-12T11:44:05.424352Z 0 [Note] [MY-012255] [InnoDB] Removed temporary tablespace data file: "ibtmp1"
2020-02-12T11:44:05.428751Z 0 [Note] [MY-010037] [Server] Debug sync points hit:                                   224013
2020-02-12T11:44:05.428781Z 0 [Note] [MY-010038] [Server] Debug sync points executed:                                   0
2020-02-12T11:44:05.428792Z 0 [Note] [MY-010039] [Server] Debug sync points max active per thread:                      0
2020-02-12T11:44:05.428914Z 0 [System] [MY-010910] [Server] /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld: Shutdown complete (mysqld 8.0.19-debug)  Source distribution.
2020-02-12T11:44:06.758463Z 0 [Warning] [MY-010099] [Server] Insecure configuration for --secure-file-priv: Data directory is accessible through --secure-file-priv. Consider choosing a different directory.
2020-02-12T11:44:06.758496Z 0 [Warning] [MY-010101] [Server] Insecure configuration for --secure-file-priv: Location is accessible to all OS users. Consider choosing a different directory.
2020-02-12T11:44:06.758684Z 0 [Note] [MY-010949] [Server] Basedir set to /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/.
2020-02-12T11:44:06.758717Z 0 [System] [MY-010116] [Server] /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld (mysqld 8.0.19-debug) starting as process 19094
2020-02-12T11:44:06.778034Z 0 [Note] [MY-012366] [InnoDB] Using Linux native AIO
2020-02-12T11:44:06.778804Z 0 [Note] [MY-010747] [Server] Plugin 'FEDERATED' is disabled.
2020-02-12T11:44:06.785518Z 1 [Note] [MY-012932] [InnoDB] PUNCH HOLE support available
2020-02-12T11:44:06.785652Z 1 [Note] [MY-012937] [InnoDB] !!!!!!!! UNIV_DEBUG switched on !!!!!!!!!
2020-02-12T11:44:06.785749Z 1 [Note] [MY-012943] [InnoDB] Mutexes and rw_locks use GCC atomic builtins
2020-02-12T11:44:06.785838Z 1 [Note] [MY-012944] [InnoDB] Uses event mutexes
2020-02-12T11:44:06.785939Z 1 [Note] [MY-012945] [InnoDB] GCC builtin __atomic_thread_fence() is used for memory barrier
2020-02-12T11:44:06.786053Z 1 [Note] [MY-012948] [InnoDB] Compressed tables use zlib 1.2.11
2020-02-12T11:44:06.791567Z 1 [Note] [MY-013251] [InnoDB] Number of pools: 1
2020-02-12T11:44:06.791952Z 1 [Note] [MY-012951] [InnoDB] Using CPU crc32 instructions
2020-02-12T11:44:06.792992Z 1 [Note] [MY-012203] [InnoDB] Directories to scan './'
2020-02-12T11:44:06.793303Z 1 [Note] [MY-012204] [InnoDB] Scanning './'
2020-02-12T11:44:06.794888Z 1 [Note] [MY-012208] [InnoDB] Completed space ID check of 7 files.
2020-02-12T11:44:06.796190Z 1 [Note] [MY-012955] [InnoDB] Initializing buffer pool, total size = 24.000000M, instances = 1, chunk size =24.000000M
2020-02-12T11:44:06.810554Z 1 [Note] [MY-012957] [InnoDB] Completed initialization of buffer pool
2020-02-12T11:44:06.812163Z 0 [Note] [MY-011952] [InnoDB] If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
2020-02-12T11:44:06.921843Z 1 [Note] [MY-013086] [InnoDB] Starting to parse redo log at lsn = 20758080, whereas checkpoint_lsn = 20758462
2020-02-12T11:44:06.923401Z 1 [Note] [MY-013083] [InnoDB] Log background threads are being started...
2020-02-12T11:44:06.924149Z 1 [Note] [MY-012532] [InnoDB] Applying a batch of 0 redo log records ...
2020-02-12T11:44:06.924362Z 1 [Note] [MY-012535] [InnoDB] Apply batch completed!
2020-02-12T11:44:06.924933Z 1 [Note] [MY-013252] [InnoDB] Using undo tablespace './undo_001'.
2020-02-12T11:44:06.925603Z 1 [Note] [MY-013252] [InnoDB] Using undo tablespace './undo_002'.
2020-02-12T11:44:06.947423Z 1 [Note] [MY-012910] [InnoDB] Opened 2 existing undo tablespaces.
2020-02-12T11:44:06.947704Z 1 [Note] [MY-011980] [InnoDB] GTID recovery trx_no: 1580
2020-02-12T11:44:07.040627Z 1 [Note] [MY-012923] [InnoDB] Creating shared tablespace for temporary tables
2020-02-12T11:44:07.041014Z 1 [Note] [MY-012265] [InnoDB] Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2020-02-12T11:44:07.058399Z 1 [Note] [MY-012266] [InnoDB] File './ibtmp1' size is now 12 MB.
2020-02-12T11:44:07.059064Z 1 [Note] [MY-011825] [InnoDB] Scanning temp tablespace dir:'./#innodb_temp/'
2020-02-12T11:44:07.133345Z 1 [Note] [MY-013018] [InnoDB] Created 128 and tracked 128 new rollback segment(s) in the temporary tablespace. 128 are now active.
2020-02-12T11:44:07.134355Z 1 [Note] [MY-012976] [InnoDB] 8.0.19 started; log sequence number 20758462
2020-02-12T11:44:07.172669Z 1 [Note] [MY-011089] [Server] Data dictionary restarting version '80017'.
2020-02-12T11:44:08.122064Z 1 [Note] [MY-012357] [InnoDB] Reading DD tablespace files
2020-02-12T11:44:08.130165Z 1 [Note] [MY-012356] [InnoDB] Validated 9/9  tablespaces
2020-02-12T11:44:08.281853Z 1 [Note] [MY-010006] [Server] Using data dictionary with version '80017'.
2020-02-12T11:44:08.472917Z 0 [Note] [MY-010902] [Server] Thread priority attribute setting in Resource Group SQL shall be ignored due to unsupported platform or insufficient privilege.
2020-02-12T11:44:08.503348Z 0 [Note] [MY-012487] [InnoDB] DDL log recovery : begin
2020-02-12T11:44:08.503955Z 0 [Note] [MY-012488] [InnoDB] DDL log recovery : end
2020-02-12T11:44:08.504607Z 0 [Note] [MY-011946] [InnoDB] Loading buffer pool(s) from /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/mysql-test/var/mysqld.1/data/ib_buffer_pool
2020-02-12T11:44:08.506662Z 0 [Note] [MY-011946] [InnoDB] Buffer pool(s) load completed at 200212 14:44:08
2020-02-12T11:44:08.528471Z 0 [Note] [MY-012922] [InnoDB] Waiting for purge to start
2020-02-12T11:44:08.585551Z 0 [Note] [MY-010303] [Server] Skipping generation of SSL certificates as options related to SSL are specified.
2020-02-12T11:44:08.588092Z 0 [Warning] [MY-010068] [Server] CA certificate /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/mysql-test/std_data/cacert.pem is self signed.
2020-02-12T11:44:08.588515Z 0 [Note] [MY-010310] [Server] Skipping generation of RSA key pair as --sha256_password_auto_generate_rsa_keys is set to OFF.
2020-02-12T11:44:08.588859Z 0 [Note] [MY-010310] [Server] Skipping generation of RSA key pair as --caching_sha2_password_auto_generate_rsa_keys is set to OFF.
2020-02-12T11:44:08.589514Z 0 [Note] [MY-010252] [Server] Server hostname (bind-address): '*'; port: 13000
2020-02-12T11:44:08.589942Z 0 [Note] [MY-010253] [Server] IPv6 is available.
2020-02-12T11:44:08.590341Z 0 [Note] [MY-010264] [Server]   - '::' resolves to '::';
2020-02-12T11:44:08.590743Z 0 [Note] [MY-010251] [Server] Server socket created on IP: '::'.
2020-02-12T11:44:08.608384Z 0 [Warning] [MY-000067] [Server] unknown variable 'loose-mysqlx-ssl=DISABLED'.
2020-02-12T11:44:08.743380Z 0 [Note] [MY-011025] [Repl] Failed to start slave threads for channel ''.
2020-02-12T11:44:08.758464Z 4 [Note] [MY-010051] [Server] Event Scheduler: scheduler thread started with id 4
2020-02-12T11:44:08.759889Z 0 [System] [MY-010931] [Server] /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld: ready for connections. Version: '8.0.19-debug'  socket: '/tmp/i09WioNZSR/mysqld.1.sock'  port: 13000  Source distribution.
2020-02-12T11:44:08.799726Z 0 [Note] [MY-011240] [Server] Plugin mysqlx reported: 'Using SSL configuration from MySQL Server'
2020-02-12T11:44:08.800703Z 0 [Note] [MY-011243] [Server] Plugin mysqlx reported: 'Using OpenSSL for TLS connections'
2020-02-12T11:44:08.800808Z 0 [Note] [MY-011332] [Server] Plugin mysqlx reported: 'IPv6 is available'
2020-02-12T11:44:08.801388Z 0 [Note] [MY-011323] [Server] Plugin mysqlx reported: 'X Plugin ready for connections. bind-address: '::' port: 13010'
2020-02-12T11:44:08.801429Z 0 [Note] [MY-011323] [Server] Plugin mysqlx reported: 'X Plugin ready for connections. socket: '/tmp/i09WioNZSR/mysqlx.1.sock''
2020-02-12T11:44:08.801468Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: '/tmp/i09WioNZSR/mysqlx.1.sock' bind-address: '::' port: 13010
SIGKILL myself
safe_process[19093]: Child process: 19094, killed by signal: 9
2020-02-12T11:44:09.361299Z 0 [Warning] [MY-010099] [Server] Insecure configuration for --secure-file-priv: Data directory is accessible through --secure-file-priv. Consider choosing a different directory.
2020-02-12T11:44:09.361337Z 0 [Warning] [MY-010101] [Server] Insecure configuration for --secure-file-priv: Location is accessible to all OS users. Consider choosing a different directory.
2020-02-12T11:44:09.361557Z 0 [Note] [MY-010949] [Server] Basedir set to /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/.
2020-02-12T11:44:09.361594Z 0 [System] [MY-010116] [Server] /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld (mysqld 8.0.19-debug) starting as process 19143
2020-02-12T11:44:09.382144Z 0 [Note] [MY-012366] [InnoDB] Using Linux native AIO
2020-02-12T11:44:09.383000Z 0 [Note] [MY-010747] [Server] Plugin 'FEDERATED' is disabled.
2020-02-12T11:44:09.390744Z 1 [Note] [MY-012932] [InnoDB] PUNCH HOLE support available
2020-02-12T11:44:09.390910Z 1 [Note] [MY-012937] [InnoDB] !!!!!!!! UNIV_DEBUG switched on !!!!!!!!!
2020-02-12T11:44:09.391029Z 1 [Note] [MY-012943] [InnoDB] Mutexes and rw_locks use GCC atomic builtins
2020-02-12T11:44:09.391153Z 1 [Note] [MY-012944] [InnoDB] Uses event mutexes
2020-02-12T11:44:09.391313Z 1 [Note] [MY-012945] [InnoDB] GCC builtin __atomic_thread_fence() is used for memory barrier
2020-02-12T11:44:09.391475Z 1 [Note] [MY-012948] [InnoDB] Compressed tables use zlib 1.2.11
2020-02-12T11:44:09.396471Z 1 [Note] [MY-013251] [InnoDB] Number of pools: 1
2020-02-12T11:44:09.396924Z 1 [Note] [MY-012951] [InnoDB] Using CPU crc32 instructions
2020-02-12T11:44:09.397994Z 1 [Note] [MY-012203] [InnoDB] Directories to scan './'
2020-02-12T11:44:09.398359Z 1 [Note] [MY-012204] [InnoDB] Scanning './'
2020-02-12T11:44:09.400582Z 1 [Note] [MY-012208] [InnoDB] Completed space ID check of 7 files.
2020-02-12T11:44:09.402154Z 1 [Note] [MY-012955] [InnoDB] Initializing buffer pool, total size = 24.000000M, instances = 1, chunk size =24.000000M
2020-02-12T11:44:09.416701Z 1 [Note] [MY-012957] [InnoDB] Completed initialization of buffer pool
2020-02-12T11:44:09.418403Z 0 [Note] [MY-011952] [InnoDB] If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
2020-02-12T11:44:09.528584Z 1 [Note] [MY-012560] [InnoDB] The log sequence number 20758462 in the system tablespace does not match the log sequence number 20788915 in the ib_logfiles!
2020-02-12T11:44:09.528878Z 1 [Note] [MY-012551] [InnoDB] Database was not shutdown normally!
2020-02-12T11:44:09.529125Z 1 [Note] [MY-012552] [InnoDB] Starting crash recovery.
2020-02-12T11:44:09.532274Z 1 [Note] [MY-013086] [InnoDB] Starting to parse redo log at lsn = 20788895, whereas checkpoint_lsn = 20788915
2020-02-12T11:44:09.532586Z 1 [Note] [MY-012550] [InnoDB] Doing recovery: scanned up to log sequence number 20789424
2020-02-12T11:44:09.534656Z 1 [Note] [MY-013083] [InnoDB] Log background threads are being started...
2020-02-12T11:44:09.535517Z 1 [Note] [MY-012532] [InnoDB] Applying a batch of 14 redo log records ...
2020-02-12T11:44:09.536205Z 1 [Note] [MY-012227] [InnoDB] Read encryption metadata from ./encrypt_ts.ibd successfully, encryption of this tablespace enabled.
2020-02-12T11:44:09.544864Z 1 [Note] [MY-012533] [InnoDB] 100%
2020-02-12T11:44:10.045369Z 1 [Note] [MY-012535] [InnoDB] Apply batch completed!
2020-02-12T11:44:10.148657Z 1 [Note] [MY-013252] [InnoDB] Using undo tablespace './undo_001'.
2020-02-12T11:44:10.149160Z 1 [Note] [MY-013252] [InnoDB] Using undo tablespace './undo_002'.
2020-02-12T11:44:10.171299Z 1 [Note] [MY-012910] [InnoDB] Opened 2 existing undo tablespaces.
2020-02-12T11:44:10.171721Z 1 [Note] [MY-011980] [InnoDB] GTID recovery trx_no: 2056
2020-02-12T11:44:10.268322Z 1 [Note] [MY-012255] [InnoDB] Removed temporary tablespace data file: "ibtmp1"
2020-02-12T11:44:10.268754Z 1 [Note] [MY-012923] [InnoDB] Creating shared tablespace for temporary tables
2020-02-12T11:44:10.269234Z 1 [Note] [MY-012265] [InnoDB] Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2020-02-12T11:44:10.284585Z 1 [Note] [MY-012266] [InnoDB] File './ibtmp1' size is now 12 MB.
2020-02-12T11:44:10.285446Z 1 [Note] [MY-011825] [InnoDB] Scanning temp tablespace dir:'./#innodb_temp/'
2020-02-12T11:44:10.360653Z 1 [Note] [MY-013018] [InnoDB] Created 128 and tracked 128 new rollback segment(s) in the temporary tablespace. 128 are now active.
2020-02-12T11:44:10.361872Z 1 [Note] [MY-012976] [InnoDB] 8.0.19 started; log sequence number 20789424
2020-02-12T11:44:10.400038Z 1 [Note] [MY-011089] [Server] Data dictionary restarting version '80017'.
2020-02-12T11:44:11.366981Z 1 [Note] [MY-012357] [InnoDB] Reading DD tablespace files
2020-02-12T11:44:11.376233Z 1 [Note] [MY-012356] [InnoDB] Validated 9/9  tablespaces
2020-02-12T11:44:11.540372Z 1 [Note] [MY-010006] [Server] Using data dictionary with version '80017'.
2020-02-12T11:44:11.738148Z 0 [Note] [MY-010902] [Server] Thread priority attribute setting in Resource Group SQL shall be ignored due to unsupported platform or insufficient privilege.
2020-02-12T11:44:11.746111Z 0 [Note] [MY-010855] [Server] Recovering after a crash using binlog
2020-02-12T11:44:11.746677Z 0 [System] [MY-010229] [Server] Starting XA crash recovery...
2020-02-12T11:44:11.761797Z 0 [System] [MY-010232] [Server] XA crash recovery finished.
2020-02-12T11:44:11.780676Z 0 [Note] [MY-012487] [InnoDB] DDL log recovery : begin
2020-02-12T11:44:11.781600Z 0 [Note] [MY-012488] [InnoDB] DDL log recovery : end
2020-02-12T11:44:11.782487Z 0 [Note] [MY-011946] [InnoDB] Loading buffer pool(s) from /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/mysql-test/var/mysqld.1/data/ib_buffer_pool
2020-02-12T11:44:11.785193Z 0 [Note] [MY-011946] [InnoDB] Buffer pool(s) load completed at 200212 14:44:11
2020-02-12T11:44:11.807749Z 0 [Note] [MY-012922] [InnoDB] Waiting for purge to start
2020-02-12T11:44:11.863899Z 0 [Note] [MY-010821] [Server] Read 2 events from binary log file './binlog.000001' to determine the GTIDs purged from binary logs.
2020-02-12T11:44:11.864969Z 0 [Note] [MY-010303] [Server] Skipping generation of SSL certificates as options related to SSL are specified.
2020-02-12T11:44:11.868036Z 0 [Warning] [MY-010068] [Server] CA certificate /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/mysql-test/std_data/cacert.pem is self signed.
2020-02-12T11:44:11.868710Z 0 [Note] [MY-010310] [Server] Skipping generation of RSA key pair as --sha256_password_auto_generate_rsa_keys is set to OFF.
2020-02-12T11:44:11.869320Z 0 [Note] [MY-010310] [Server] Skipping generation of RSA key pair as --caching_sha2_password_auto_generate_rsa_keys is set to OFF.
2020-02-12T11:44:11.870267Z 0 [Note] [MY-010252] [Server] Server hostname (bind-address): '*'; port: 13000
2020-02-12T11:44:11.870960Z 0 [Note] [MY-010253] [Server] IPv6 is available.
2020-02-12T11:44:11.871630Z 0 [Note] [MY-010264] [Server]   - '::' resolves to '::';
2020-02-12T11:44:11.872318Z 0 [Note] [MY-010251] [Server] Server socket created on IP: '::'.
2020-02-12T11:44:11.890677Z 0 [Warning] [MY-000067] [Server] unknown variable 'loose-mysqlx-ssl=DISABLED'.
2020-02-12T11:44:12.030716Z 0 [Note] [MY-011025] [Repl] Failed to start slave threads for channel ''.
2020-02-12T11:44:12.046442Z 4 [Note] [MY-010051] [Server] Event Scheduler: scheduler thread started with id 4
2020-02-12T11:44:12.048536Z 0 [System] [MY-010931] [Server] /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld: ready for connections. Version: '8.0.19-debug'  socket: '/tmp/i09WioNZSR/mysqld.1.sock'  port: 13000  Source distribution.
2020-02-12T11:44:12.059111Z 0 [Note] [MY-011240] [Server] Plugin mysqlx reported: 'Using SSL configuration from MySQL Server'
2020-02-12T11:44:12.060485Z 0 [Note] [MY-011243] [Server] Plugin mysqlx reported: 'Using OpenSSL for TLS connections'
2020-02-12T11:44:12.060585Z 0 [Note] [MY-011332] [Server] Plugin mysqlx reported: 'IPv6 is available'
2020-02-12T11:44:12.061226Z 0 [Note] [MY-011323] [Server] Plugin mysqlx reported: 'X Plugin ready for connections. bind-address: '::' port: 13010'
2020-02-12T11:44:12.061262Z 0 [Note] [MY-011323] [Server] Plugin mysqlx reported: 'X Plugin ready for connections. socket: '/tmp/i09WioNZSR/mysqlx.1.sock''
2020-02-12T11:44:12.061310Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: '/tmp/i09WioNZSR/mysqlx.1.sock' bind-address: '::' port: 13010
safe_process[19142]: Child process: 19143, killed by signal: 9
2020-02-12T11:44:12.654500Z 0 [Warning] [MY-010099] [Server] Insecure configuration for --secure-file-priv: Data directory is accessible through --secure-file-priv. Consider choosing a different directory.
2020-02-12T11:44:12.654533Z 0 [Warning] [MY-010101] [Server] Insecure configuration for --secure-file-priv: Location is accessible to all OS users. Consider choosing a different directory.
2020-02-12T11:44:12.654743Z 0 [Note] [MY-010949] [Server] Basedir set to /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/.
2020-02-12T11:44:12.654772Z 0 [System] [MY-010116] [Server] /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld (mysqld 8.0.19-debug) starting as process 19195
2020-02-12T11:44:12.674554Z 0 [Note] [MY-012366] [InnoDB] Using Linux native AIO
2020-02-12T11:44:12.675317Z 0 [Note] [MY-010747] [Server] Plugin 'FEDERATED' is disabled.
2020-02-12T11:44:12.682207Z 1 [Note] [MY-012932] [InnoDB] PUNCH HOLE support available
2020-02-12T11:44:12.682365Z 1 [Note] [MY-012937] [InnoDB] !!!!!!!! UNIV_DEBUG switched on !!!!!!!!!
2020-02-12T11:44:12.682454Z 1 [Note] [MY-012943] [InnoDB] Mutexes and rw_locks use GCC atomic builtins
2020-02-12T11:44:12.682544Z 1 [Note] [MY-012944] [InnoDB] Uses event mutexes
2020-02-12T11:44:12.682649Z 1 [Note] [MY-012945] [InnoDB] GCC builtin __atomic_thread_fence() is used for memory barrier
2020-02-12T11:44:12.682763Z 1 [Note] [MY-012948] [InnoDB] Compressed tables use zlib 1.2.11
2020-02-12T11:44:12.688296Z 1 [Note] [MY-013251] [InnoDB] Number of pools: 1
2020-02-12T11:44:12.688690Z 1 [Note] [MY-012951] [InnoDB] Using CPU crc32 instructions
2020-02-12T11:44:12.689714Z 1 [Note] [MY-012203] [InnoDB] Directories to scan './'
2020-02-12T11:44:12.690012Z 1 [Note] [MY-012204] [InnoDB] Scanning './'
2020-02-12T11:44:12.691992Z 1 [Note] [MY-012208] [InnoDB] Completed space ID check of 8 files.
2020-02-12T11:44:12.693289Z 1 [Note] [MY-012955] [InnoDB] Initializing buffer pool, total size = 24.000000M, instances = 1, chunk size =24.000000M
2020-02-12T11:44:12.707730Z 1 [Note] [MY-012957] [InnoDB] Completed initialization of buffer pool
2020-02-12T11:44:12.709494Z 0 [Note] [MY-011952] [InnoDB] If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
2020-02-12T11:44:12.819863Z 1 [Note] [MY-012560] [InnoDB] The log sequence number 20758462 in the system tablespace does not match the log sequence number 20789424 in the ib_logfiles!
2020-02-12T11:44:12.820101Z 1 [Note] [MY-012551] [InnoDB] Database was not shutdown normally!
2020-02-12T11:44:12.820278Z 1 [Note] [MY-012552] [InnoDB] Starting crash recovery.
2020-02-12T11:44:12.823288Z 1 [Note] [MY-013086] [InnoDB] Starting to parse redo log at lsn = 20789304, whereas checkpoint_lsn = 20789424
2020-02-12T11:44:12.823590Z 1 [Note] [MY-012550] [InnoDB] Doing recovery: scanned up to log sequence number 20829007
2020-02-12T11:44:12.830792Z 1 [Note] [MY-013083] [InnoDB] Log background threads are being started...
2020-02-12T11:44:12.831542Z 1 [Note] [MY-012532] [InnoDB] Applying a batch of 39 redo log records ...
2020-02-12T11:44:12.842237Z 1 [Note] [MY-012227] [InnoDB] Read encryption metadata from ./ts1.ibd successfully, encryption of this tablespace enabled.
2020-02-12T11:44:12.843944Z 1 [Note] [MY-012533] [InnoDB] 100%
2020-02-12T11:44:12.844872Z 1 [Note] [MY-012535] [InnoDB] Apply batch completed!
2020-02-12T11:44:12.945572Z 1 [Note] [MY-013252] [InnoDB] Using undo tablespace './undo_001'.
2020-02-12T11:44:12.945957Z 1 [Note] [MY-013252] [InnoDB] Using undo tablespace './undo_002'.
2020-02-12T11:44:12.967669Z 1 [Note] [MY-012910] [InnoDB] Opened 2 existing undo tablespaces.
2020-02-12T11:44:12.967975Z 1 [Note] [MY-011980] [InnoDB] GTID recovery trx_no: 2576
2020-02-12T11:44:13.062134Z 1 [Note] [MY-012255] [InnoDB] Removed temporary tablespace data file: "ibtmp1"
2020-02-12T11:44:13.062450Z 1 [Note] [MY-012923] [InnoDB] Creating shared tablespace for temporary tables
2020-02-12T11:44:13.062807Z 1 [Note] [MY-012265] [InnoDB] Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2020-02-12T11:44:13.077183Z 1 [Note] [MY-012266] [InnoDB] File './ibtmp1' size is now 12 MB.
2020-02-12T11:44:13.077909Z 1 [Note] [MY-011825] [InnoDB] Scanning temp tablespace dir:'./#innodb_temp/'
2020-02-12T11:44:13.152821Z 1 [Note] [MY-013018] [InnoDB] Created 128 and tracked 128 new rollback segment(s) in the temporary tablespace. 128 are now active.
2020-02-12T11:44:13.153873Z 1 [Note] [MY-012976] [InnoDB] 8.0.19 started; log sequence number 20829007
2020-02-12T11:44:13.190910Z 1 [Note] [MY-011089] [Server] Data dictionary restarting version '80017'.
2020-02-12T11:44:14.136654Z 1 [Note] [MY-012357] [InnoDB] Reading DD tablespace files
2020-02-12T11:44:14.145732Z 1 [Note] [MY-012227] [InnoDB] Read encryption metadata from encrypt_ts.ibd successfully, encryption of this tablespace enabled.
2020-02-12T11:44:14.146260Z 1 [Note] [MY-012356] [InnoDB] Validated 10/10  tablespaces
2020-02-12T11:44:14.301021Z 1 [Note] [MY-010006] [Server] Using data dictionary with version '80017'.
2020-02-12T11:44:14.491650Z 0 [Note] [MY-010902] [Server] Thread priority attribute setting in Resource Group SQL shall be ignored due to unsupported platform or insufficient privilege.
2020-02-12T11:44:14.499126Z 0 [Note] [MY-010855] [Server] Recovering after a crash using binlog
2020-02-12T11:44:14.499607Z 0 [System] [MY-010229] [Server] Starting XA crash recovery...
2020-02-12T11:44:14.514544Z 0 [System] [MY-010232] [Server] XA crash recovery finished.
2020-02-12T11:44:14.532107Z 0 [Note] [MY-012487] [InnoDB] DDL log recovery : begin
2020-02-12T11:44:14.532733Z 0 [Note] [MY-012488] [InnoDB] DDL log recovery : end
2020-02-12T11:44:14.533411Z 0 [Note] [MY-011946] [InnoDB] Loading buffer pool(s) from /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/mysql-test/var/mysqld.1/data/ib_buffer_pool
2020-02-12T11:44:14.536085Z 0 [Note] [MY-011946] [InnoDB] Buffer pool(s) load completed at 200212 14:44:14
2020-02-12T11:44:14.556571Z 0 [Note] [MY-012922] [InnoDB] Waiting for purge to start
2020-02-12T11:44:14.626777Z 0 [Note] [MY-010821] [Server] Read 2 events from binary log file './binlog.000001' to determine the GTIDs purged from binary logs.
2020-02-12T11:44:14.627567Z 0 [Note] [MY-010303] [Server] Skipping generation of SSL certificates as options related to SSL are specified.
2020-02-12T11:44:14.630241Z 0 [Warning] [MY-010068] [Server] CA certificate /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/mysql-test/std_data/cacert.pem is self signed.
2020-02-12T11:44:14.630742Z 0 [Note] [MY-010310] [Server] Skipping generation of RSA key pair as --sha256_password_auto_generate_rsa_keys is set to OFF.
2020-02-12T11:44:14.631172Z 0 [Note] [MY-010310] [Server] Skipping generation of RSA key pair as --caching_sha2_password_auto_generate_rsa_keys is set to OFF.
2020-02-12T11:44:14.631919Z 0 [Note] [MY-010252] [Server] Server hostname (bind-address): '*'; port: 13000
2020-02-12T11:44:14.632445Z 0 [Note] [MY-010253] [Server] IPv6 is available.
2020-02-12T11:44:14.632901Z 0 [Note] [MY-010264] [Server]   - '::' resolves to '::';
2020-02-12T11:44:14.633391Z 0 [Note] [MY-010251] [Server] Server socket created on IP: '::'.
2020-02-12T11:44:14.651416Z 0 [Warning] [MY-000067] [Server] unknown variable 'loose-mysqlx-ssl=DISABLED'.
2020-02-12T11:44:14.787277Z 0 [Note] [MY-011025] [Repl] Failed to start slave threads for channel ''.
2020-02-12T11:44:14.802638Z 4 [Note] [MY-010051] [Server] Event Scheduler: scheduler thread started with id 4
2020-02-12T11:44:14.804271Z 0 [System] [MY-010931] [Server] /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld: ready for connections. Version: '8.0.19-debug'  socket: '/tmp/i09WioNZSR/mysqld.1.sock'  port: 13000  Source distribution.
2020-02-12T11:44:14.818634Z 0 [Note] [MY-011240] [Server] Plugin mysqlx reported: 'Using SSL configuration from MySQL Server'
2020-02-12T11:44:14.819631Z 0 [Note] [MY-011243] [Server] Plugin mysqlx reported: 'Using OpenSSL for TLS connections'
2020-02-12T11:44:14.819734Z 0 [Note] [MY-011332] [Server] Plugin mysqlx reported: 'IPv6 is available'
2020-02-12T11:44:14.820372Z 0 [Note] [MY-011323] [Server] Plugin mysqlx reported: 'X Plugin ready for connections. bind-address: '::' port: 13010'
2020-02-12T11:44:14.820410Z 0 [Note] [MY-011323] [Server] Plugin mysqlx reported: 'X Plugin ready for connections. socket: '/tmp/i09WioNZSR/mysqlx.1.sock''
2020-02-12T11:44:14.820448Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: '/tmp/i09WioNZSR/mysqlx.1.sock' bind-address: '::' port: 13010
2020-02-12T11:44:14.960247Z 7 [ERROR] [MY-013183] [InnoDB] Assertion failure: fsp0fsp.cc:4119:space->encryption_op_in_progress == NONE thread 140437651097344
InnoDB: We intentionally generate a memory trap.
InnoDB: Submit a detailed bug report to http://bugs.mysql.com.
InnoDB: If you get repeated assertion failures or crashes, even
InnoDB: immediately after the mysqld startup, there may be
InnoDB: corruption in the InnoDB tablespace. Please refer to
InnoDB: http://dev.mysql.com/doc/refman/8.0/en/forcing-innodb-recovery.html
InnoDB: about forcing recovery.
11:44:14 UTC - mysqld got signal 6 ;
Most likely, you have hit a bug, but this error can also be caused by malfunctioning hardware.
Thread pointer: 0x7fb97c000da0
Attempting backtrace. You can use the following information to find out
where mysqld died. If you see no messages after this, something went
terribly wrong...
stack_bottom = 7fba304e7c00 thread_stack 0x46000
/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld(my_print_stacktrace(unsigned char const*, unsigned long)+0x43) [0x4564f20]
/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld(handle_fatal_signal+0x299) [0x328e065]
/lib64/libpthread.so.0(+0xf130) [0x7fba3fe8e130]
/lib64/libc.so.6(gsignal+0x37) [0x7fba3de225d7]
/lib64/libc.so.6(abort+0x148) [0x7fba3de23cc8]
/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld(ut_dbg_assertion_failed(char const*, char const*, unsigned long)+0x19a) [0x49786af]
/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld(fsp_alter_encrypt_tablespace(THD*, unsigned int, unsigned int, bool, bool, void*)+0x145) [0x4b5bd77]
/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld() [0x466e03a]
/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld() [0x466e417]
/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld() [0x466ff7d]
/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld(Sql_cmd_alter_tablespace::execute(THD*)+0x4e1) [0x31a322b]
/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld(mysql_execute_command(THD*, bool)+0x570e) [0x30c3e3b]
/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld(mysql_parse(THD*, Parser_state*)+0x68d) [0x30c6766]
/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld(dispatch_command(THD*, COM_DATA const*, enum_server_command)+0x1362) [0x30bbedc]
/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld(do_command(THD*)+0x482) [0x30ba534]
/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld() [0x3279883]
/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld() [0x4cfc883]
/lib64/libpthread.so.0(+0x7df5) [0x7fba3fe86df5]
/lib64/libc.so.6(clone+0x6d) [0x7fba3dee360d]

Trying to get some variables.
Some pointers may be invalid and cause the dump to abort.
Query (7fb97c0bfe28): ALTER TABLESPACE encrypt_ts ENCRYPTION='Y'
Connection ID (thread ID): 7
Status: NOT_KILLED

The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
information that should help you find out what is causing the crash.
Writing a core file
safe_process[19194]: Child process: 19195, killed by signal: 6
----------SERVER LOG END-------------


Mysqltest client output from logfile
----------- MYSQLTEST OUTPUT START -----------

CREATE TABLESPACE encrypt_ts ADD DATAFILE 'encrypt_ts.ibd' ENGINE=InnoDB ENCRYPTION="N";
CREATE TABLE t1(c1 char(100)) ENGINE=InnoDB TABLESPACE encrypt_ts;
set global innodb_buf_flush_list_now = 1;

#########################################################################
# RESTART 1 : WITH KEYRING PLUGIN
#########################################################################
############################################################
# ALTER TABLESPACE 1 :    Unencrypted => Encrypted         #
#                         (crash at page 10)               #
############################################################
# Set Encryption process to crash at page 10
# Connection con1:
SELECT connection_id();
connection_id()
9
SELECT connection_id();
connection_id()
10
SET SESSION debug= '+d,alter_encrypt_tablespace_page_10';
# Encrypt the tablespace. It will cause crash.
ALTER TABLESPACE encrypt_ts ENCRYPTION='Y';
# Restart after crash
set global innodb_buf_flush_list_now = 1;
# Connection con1:
SELECT connection_id();
connection_id()
10
CREATE TABLESPACE ts1 ADD DATAFILE 'ts1.ibd';
SELECT connection_id();
connection_id()
11
ALTER TABLESPACE ts1 ENCRYPTION='Y';
set global innodb_buf_flush_list_now = 1;
# Kill and restart: --early-plugin-load=keyring_file=keyring_file.so --loose-keyring_file_data=/tmp/i09WioNZSR/mysecret_keyring --plugin-dir=/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin_output_directory
# After restart/recovery, check that Encryption was roll-forward
SELECT NAME, ENCRYPTION FROM INFORMATION_SCHEMA.INNODB_TABLESPACES WHERE NAME='encrypt_ts';
NAME    ENCRYPTION
encrypt_ts      N
SELECT * FROM t1 LIMIT 10;
c1
SOME VALUES
SOME VALUES
SOME VALUES
SOME VALUES
SOME VALUES
SOME VALUES
SOME VALUES
SOME VALUES
SOME VALUES
SOME VALUES

------------ MYSQLTEST OUTPUT END -----------

 - the logfile can be found in '/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/mysql-test/var/log/main.t/t.log'

 - found 'core.19195' (0/5)

Trying 'dbx' to get a backtrace

Trying 'gdb' to get a backtrace
Guessing that core was generated by '/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld'
Output from gdb follows. The first stack trace is from the failing thread.
The following stack traces are from all threads (so the failing one is
duplicated).
--------------------------
[New LWP 19238]
[New LWP 19195]
[New LWP 19198]
[New LWP 19200]
[New LWP 19203]
[New LWP 19204]
[New LWP 19205]
[New LWP 19201]
[New LWP 19199]
[New LWP 19202]
[New LWP 19239]
[New LWP 19214]
[New LWP 19206]
[New LWP 19213]
[New LWP 19216]
[New LWP 19212]
[New LWP 19211]
[New LWP 19215]
[New LWP 19217]
[New LWP 19219]
[New LWP 19235]
[New LWP 19225]
[New LWP 19221]
[New LWP 19234]
[New LWP 19226]
[New LWP 19236]
[New LWP 19230]
[New LWP 19233]
[New LWP 19224]
[New LWP 19229]
[New LWP 19218]
[New LWP 19207]
[New LWP 19222]
[New LWP 19210]
[New LWP 19232]
[New LWP 19208]
[New LWP 19223]
[New LWP 19220]
[New LWP 19237]
[New LWP 19231]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime'.
Program terminated with signal 6, Aborted.
#0  0x00007fba3fe8b771 in pthread_kill () from /lib64/libpthread.so.0
warning: File "/export/umesh/utils/gcc-9.2/lib64/libstdc++.so.6.0.27-gdb.py" auto-loading has been declined by your `auto-load safe-path' set to "$debugdir:$datadir/auto-load:/usr/bin/mono-gdb.py".
To enable execution of this file add
        add-auto-load-safe-path /export/umesh/utils/gcc-9.2/lib64/libstdc++.so.6.0.27-gdb.py
line to your configuration file "/home/umshastr/.gdbinit".
To completely disable this security protection add
        set auto-load safe-path /
line to your configuration file "/home/umshastr/.gdbinit".
For more information about this security protection see the
"Auto-loading safe path" section in the GDB manual.  E.g., run from the shell:
        info "(gdb)Auto-loading safe path"
#0  0x00007fba3fe8b771 in pthread_kill () from /lib64/libpthread.so.0
#1  0x0000000004564fe7 in my_write_core (sig=6) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/mysys/stacktrace.cc:306
#2  0x000000000328e210 in handle_fatal_signal (sig=6) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/signal_handler.cc:169
#3  <signal handler called>
#4  0x00007fba3de225d7 in raise () from /lib64/libc.so.6
#5  0x00007fba3de23cc8 in abort () from /lib64/libc.so.6
#6  0x00000000049786af in ut_dbg_assertion_failed (expr=0x65a2538 "space->encryption_op_in_progress == NONE", file=0x659fbe8 "/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/fsp/fsp0fsp.cc", line=4119) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/ut/ut0dbg.cc:98
#7  0x0000000004b5bd77 in fsp_alter_encrypt_tablespace (thd=0x7fb97c000da0, space_id=4, from_page=1, to_encrypt=true, in_recovery=false, dd_space_in=0x7fb97c0bbd18) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/fsp/fsp0fsp.cc:4119
#8  0x000000000466e03a in innobase_alter_encrypt_tablespace (hton=0x993d660, thd=0x7fb97c000da0, alter_info=0x7fba304e5240, old_dd_space=0x7fb97c0e6a78, new_dd_space=0x7fb97c0bbd18) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/handler/ha_innodb.cc:14879
#9  0x000000000466e417 in innodb_alter_tablespace (hton=0x993d660, thd=0x7fb97c000da0, alter_info=0x7fba304e5240, old_dd_space=0x7fb97c0e6a78, new_dd_space=0x7fb97c0bbd18) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/handler/ha_innodb.cc:14935
#10 0x000000000466ff7d in innobase_alter_tablespace (hton=0x993d660, thd=0x7fb97c000da0, alter_info=0x7fba304e5240, old_ts_def=0x7fb97c0e6a78, new_ts_def=0x7fb97c0bbd18) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/handler/ha_innodb.cc:15435
#11 0x00000000031a322b in Sql_cmd_alter_tablespace::execute (this=0x7fb97c0c09d8, thd=0x7fb97c000da0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/sql_tablespace.cc:969
#12 0x00000000030c3e3b in mysql_execute_command (thd=0x7fb97c000da0, first_level=true) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/sql_parse.cc:4478
#13 0x00000000030c6766 in mysql_parse (thd=0x7fb97c000da0, parser_state=0x7fba304e6b30) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/sql_parse.cc:5288
#14 0x00000000030bbedc in dispatch_command (thd=0x7fb97c000da0, com_data=0x7fba304e7bd0, command=COM_QUERY) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/sql_parse.cc:1777
#15 0x00000000030ba534 in do_command (thd=0x7fb97c000da0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/sql_parse.cc:1275
#16 0x0000000003279883 in handle_connection (arg=0x98f5f00) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/conn_handler/connection_handler_per_thread.cc:302
#17 0x0000000004cfc883 in pfs_spawn_thread (arg=0x9a09cd0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/perfschema/pfs.cc:2854
#18 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#19 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 40 (Thread 0x7fb9babfd700 (LWP 19231)):
#0  0x00007fba3fe8d99d in nanosleep () from /lib64/libpthread.so.0
#1  0x0000000002ff32bd in std::this_thread::sleep_for<long, std::ratio<1l, 1000000l> > (__rtime=...) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:378
#2  0x0000000004934eb2 in trx_purge_wait_for_workers_to_complete () at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/trx/trx0purge.cc:2171
#3  0x00000000049352d5 in trx_purge (n_purge_threads=4, batch_size=300, truncate=false) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/trx/trx0purge.cc:2263
#4  0x00000000048e6707 in srv_do_purge (n_total_purged=0x7fb9babfcac0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/srv/srv0srv.cc:2898
#5  0x00000000048e6e51 in srv_purge_coordinator_thread () at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/srv/srv0srv.cc:3062
#6  0x000000000478e757 in std::__invoke_impl<void, void (*&)()> (__f=@0x7fb9babfcbb0: 0x48e6c35 <srv_purge_coordinator_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#7  0x000000000478e729 in std::__invoke<void (*&)()> (__fn=@0x7fb9babfcbb0: 0x48e6c35 <srv_purge_coordinator_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#8  0x000000000478e706 in std::_Bind<void (*())()>::__call<void>(std::tuple<>&&, std::_Index_tuple<>) (this=0x7fb9babfcbb0, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9be989>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#9  0x000000000478e6b0 in std::_Bind<void (*())()>::operator()<, void>() (this=0x7fb9babfcbb0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#10 0x000000000478e634 in Runnable::operator()<void (*)()>(void (*&&)()) (this=0x9970be0, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9beb26>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#11 0x000000000478e543 in std::__invoke_impl<void, Runnable, void (*)()>(std::__invoke_other, Runnable&&, void (*&&)()) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec1a>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec38>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#12 0x000000000478e4c2 in std::__invoke<Runnable, void (*)()>(Runnable&&, void (*&&)()) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bed8f>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bedad>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#13 0x000000000478e431 in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::_M_invoke<0ul, 1ul> (this=0x9970bd8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#14 0x000000000478e3ec in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::operator() (this=0x9970bd8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#15 0x000000000478e3d0 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)()> > >::_M_run (this=0x9970bd0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#16 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#17 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#18 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 39 (Thread 0x7fb98bfff700 (LWP 19237)):
#0  0x00007fba3fe8a705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000004565a90 in native_cond_wait (cond=0x788f5a0 <COND_compress_gtid_table>, mutex=0x9856c98) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/include/thr_cond.h:109
#2  0x0000000004565bfb in safe_cond_wait (cond=0x788f5a0 <COND_compress_gtid_table>, mp=0x9856c70, file=0x5da2160 "/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/rpl_gtid_persist.cc", line=764) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/mysys/thr_cond.cc:71
#3  0x00000000041fd55b in my_cond_wait (cond=0x788f5a0 <COND_compress_gtid_table>, mp=0x788f560 <LOCK_compress_gtid_table>, file=0x5da2160 "/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/rpl_gtid_persist.cc", line=764) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/include/thr_cond.h:160
#4  0x00000000041fd5ca in inline_mysql_cond_wait (that=0x788f5a0 <COND_compress_gtid_table>, mutex=0x788f560 <LOCK_compress_gtid_table>, src_file=0x5da2160 "/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/rpl_gtid_persist.cc", src_line=764) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/include/mysql/psi/mysql_cond.h:174
#5  0x000000000420000f in compress_gtid_table (p_thd=0x9bc3b70) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/rpl_gtid_persist.cc:764
#6  0x0000000004cfc883 in pfs_spawn_thread (arg=0x9c02b20) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/perfschema/pfs.cc:2854
#7  0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 38 (Thread 0x7fb9e97fb700 (LWP 19220)):
#0  0x00007fba3fe8d99d in nanosleep () from /lib64/libpthread.so.0
#1  0x0000000002ff32bd in std::this_thread::sleep_for<long, std::ratio<1l, 1000000l> > (__rtime=...) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:378
#2  0x00000000048e59fb in srv_master_sleep () at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/srv/srv0srv.cc:2578
#3  0x00000000048e5e1e in srv_master_thread () at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/srv/srv0srv.cc:2660
#4  0x000000000478e757 in std::__invoke_impl<void, void (*&)()> (__f=@0x7fb9e97fabb0: 0x48e5d08 <srv_master_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#5  0x000000000478e729 in std::__invoke<void (*&)()> (__fn=@0x7fb9e97fabb0: 0x48e5d08 <srv_master_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#6  0x000000000478e706 in std::_Bind<void (*())()>::__call<void>(std::tuple<>&&, std::_Index_tuple<>) (this=0x7fb9e97fabb0, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9be989>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#7  0x000000000478e6b0 in std::_Bind<void (*())()>::operator()<, void>() (this=0x7fb9e97fabb0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#8  0x000000000478e634 in Runnable::operator()<void (*)()>(void (*&&)()) (this=0x7fba2c407e40, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9beb26>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#9  0x000000000478e543 in std::__invoke_impl<void, Runnable, void (*)()>(std::__invoke_other, Runnable&&, void (*&&)()) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec1a>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec38>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#10 0x000000000478e4c2 in std::__invoke<Runnable, void (*)()>(Runnable&&, void (*&&)()) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bed8f>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bedad>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#11 0x000000000478e431 in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::_M_invoke<0ul, 1ul> (this=0x7fba2c407e38) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#12 0x000000000478e3ec in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::operator() (this=0x7fba2c407e38) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#13 0x000000000478e3d0 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)()> > >::_M_run (this=0x7fba2c407e30) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#14 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#15 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#16 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 37 (Thread 0x7fba3068e700 (LWP 19223)):
#0  0x00007fba3fe8aab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000004565a6b in native_cond_timedwait (cond=0x996c588, mutex=0x996c798, abstime=0x7fba3068db20) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/include/thr_cond.h:100
#2  0x0000000004565dd7 in safe_cond_timedwait (cond=0x996c588, mp=0x996c770, abstime=0x7fba3068db20, file=0x66e4e68 "/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/src/helper/multithread/cond.cc", line=42) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/mysys/thr_cond.cc:113
#3  0x0000000004deab4e in my_cond_timedwait (cond=0x996c588, mp=0x996c558, abstime=0x7fba3068db20, file=0x66e4e68 "/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/src/helper/multithread/cond.cc", line=42) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/include/thr_cond.h:147
#4  0x0000000004dead2f in inline_mysql_cond_timedwait (that=0x996c588, mutex=0x996c558, abstime=0x7fba3068db20, src_file=0x66e4e68 "/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/src/helper/multithread/cond.cc", src_line=42) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/include/mysql/psi/mysql_cond.h:217
#5  0x0000000004deaeca in xpl::Cond::timed_wait (this=0x996c588, mutex=..., nanoseconds=60000000000) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/src/helper/multithread/cond.cc:42
#6  0x0000000004e903c1 in ngs::Scheduler_dynamic::wait_if_idle_then_delete_worker (this=0x996c530, thread_waiting_started=@0x7fba3068dc18: 1581507854316) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/ngs/src/scheduler.cc:199
#7  0x0000000004e905e6 in ngs::Scheduler_dynamic::worker (this=0x996c530) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/ngs/src/scheduler.cc:246
#8  0x0000000004e902ac in ngs::Scheduler_dynamic::worker_proxy (data=0x996c530) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/ngs/src/scheduler.cc:171
#9  0x0000000004cfc883 in pfs_spawn_thread (arg=0x99ecfd0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/perfschema/pfs.cc:2854
#10 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#11 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 36 (Thread 0x7fba035fe700 (LWP 19208)):
#0  0x00007fba3fe8aab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000047d74f9 in os_event::timed_wait (this=0x7fba2c024558, abstime=0x7fba035fd3d0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:322
#2  0x00000000047d7a57 in os_event::wait_time_low (this=0x7fba2c024558, time_in_usec=991000, reset_sig_count=2) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:495
#3  0x00000000047d7c88 in os_event_wait_time_low (event=0x7fba2c024558, time_in_usec=991000, reset_sig_count=2) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:594
#4  0x0000000004a3b949 in pc_sleep_if_needed (next_loop_time=24610610901, sig_count=2) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/buf/buf0flu.cc:2597
#5  0x0000000004a3ccdb in buf_flush_page_coordinator_thread (n_page_cleaners=1) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/buf/buf0flu.cc:3071
#6  0x0000000004905b76 in std::__invoke_impl<void, void (*&)(unsigned long), unsigned long&> (__f=@0x7fba035fdb80: 0x4a3c896 <buf_flush_page_coordinator_thread(size_t)>, __args#0=@0x7fba035fdb88: 1) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#7  0x0000000004905add in std::__invoke<void (*&)(unsigned long), unsigned long&> (__fn=@0x7fba035fdb80: 0x4a3c896 <buf_flush_page_coordinator_thread(size_t)>, __args#0=@0x7fba035fdb88: 1) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#8  0x0000000004905a3a in std::_Bind<void (*(unsigned long))(unsigned long)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fba035fdb80, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0416>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#9  0x0000000004905990 in std::_Bind<void (*(unsigned long))(unsigned long)>::operator()<, void>() (this=0x7fba035fdb80) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#10 0x00000000049058f3 in Runnable::operator()<void (*)(unsigned long), unsigned long>(void (*&&)(unsigned long), unsigned long&&) (this=0x7fba2c3feb28, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd072d>, args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0758>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#11 0x00000000049057e9 in std::__invoke_impl<void, Runnable, void (*)(unsigned long), unsigned long>(std::__invoke_other, Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd097e>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09a1>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09b0>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#12 0x0000000004905734 in std::__invoke<Runnable, void (*)(unsigned long), unsigned long>(Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0ced>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d10>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d1f>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#13 0x0000000004905667 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fba2c3feb18) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#14 0x0000000004905606 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::operator() (this=0x7fba2c3feb18) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#15 0x00000000049055ea in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> > >::_M_run (this=0x7fba2c3feb10) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#16 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#17 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#18 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 35 (Thread 0x7fb9ba1fc700 (LWP 19232)):
#0  0x00007fba3fe8a705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000047d880c in os_event::wait (this=0x7fba2c024198) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:189
#2  0x00000000047d7672 in os_event::wait_low (this=0x7fba2c024198, reset_sig_count=4) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:372
#3  0x00000000047d7cad in os_event_wait_low (event=0x7fba2c024198, reset_sig_count=0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:608
#4  0x00000000048e637f in srv_worker_thread () at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/srv/srv0srv.cc:2810
#5  0x000000000478e757 in std::__invoke_impl<void, void (*&)()> (__f=@0x7fb9ba1fbbb0: 0x48e620a <srv_worker_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#6  0x000000000478e729 in std::__invoke<void (*&)()> (__fn=@0x7fb9ba1fbbb0: 0x48e620a <srv_worker_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#7  0x000000000478e706 in std::_Bind<void (*())()>::__call<void>(std::tuple<>&&, std::_Index_tuple<>) (this=0x7fb9ba1fbbb0, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9be989>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#8  0x000000000478e6b0 in std::_Bind<void (*())()>::operator()<, void>() (this=0x7fb9ba1fbbb0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#9  0x000000000478e634 in Runnable::operator()<void (*)()>(void (*&&)()) (this=0x99e7c40, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9beb26>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#10 0x000000000478e543 in std::__invoke_impl<void, Runnable, void (*)()>(std::__invoke_other, Runnable&&, void (*&&)()) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec1a>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec38>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#11 0x000000000478e4c2 in std::__invoke<Runnable, void (*)()>(Runnable&&, void (*&&)()) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bed8f>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bedad>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#12 0x000000000478e431 in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::_M_invoke<0ul, 1ul> (this=0x99e7c38) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#13 0x000000000478e3ec in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::operator() (this=0x99e7c38) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#14 0x000000000478e3d0 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)()> > >::_M_run (this=0x99e7c30) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#15 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#16 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#17 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 34 (Thread 0x7fb9f75fe700 (LWP 19210)):
#0  0x00007fba3fe8aab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000047d74f9 in os_event::timed_wait (this=0x7fba2c400898, abstime=0x7fb9f75fd9e0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:322
#2  0x00000000047d7a57 in os_event::wait_time_low (this=0x7fba2c400898, time_in_usec=10000, reset_sig_count=1) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:495
#3  0x00000000047d7c88 in os_event_wait_time_low (event=0x7fba2c400898, time_in_usec=10000, reset_sig_count=1) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:594
#4  0x0000000004772204 in log_checkpointer (log_ptr=0x7fba2c3ffec0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/log/log0chkp.cc:999
#5  0x0000000004785d32 in std::__invoke_impl<void, void (*&)(log_t*), log_t*&> (__f=@0x7fb9f75fdb80: 0x477212f <log_checkpointer(log_t*)>, __args#0=@0x7fb9f75fdb88: 0x7fba2c3ffec0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#6  0x0000000004785c8b in std::__invoke<void (*&)(log_t*), log_t*&> (__fn=@0x7fb9f75fdb80: 0x477212f <log_checkpointer(log_t*)>, __args#0=@0x7fb9f75fdb88: 0x7fba2c3ffec0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#7  0x0000000004785b9c in std::_Bind<void (*(log_t*))(log_t*)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fb9f75fdb80, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd905192>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#8  0x0000000004785af2 in std::_Bind<void (*(log_t*))(log_t*)>::operator()<, void>() (this=0x7fb9f75fdb80) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#9  0x0000000004785a55 in Runnable::operator()<void (*)(log_t*), log_t*>(void (*&&)(log_t*), log_t*&&) (this=0x7fba2c8b68b8, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90538d>, args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd9053b8>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#10 0x0000000004785931 in std::__invoke_impl<void, Runnable, void (*)(log_t*), log_t*>(std::__invoke_other, Runnable&&, void (*&&)(log_t*), log_t*&&) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd9054f3>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd905516>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd905525>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#11 0x000000000478586e in std::__invoke<Runnable, void (*)(log_t*), log_t*>(Runnable&&, void (*&&)(log_t*), log_t*&&) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90571a>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90573d>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90574c>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#12 0x00000000047857a1 in std::thread::_Invoker<std::tuple<Runnable, void (*)(log_t*), log_t*> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fba2c8b68a8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#13 0x0000000004785740 in std::thread::_Invoker<std::tuple<Runnable, void (*)(log_t*), log_t*> >::operator() (this=0x7fba2c8b68a8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#14 0x0000000004785724 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)(log_t*), log_t*> > >::_M_run (this=0x7fba2c8b68a0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#15 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#16 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#17 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 33 (Thread 0x7fb9bbfff700 (LWP 19222)):
#0  0x00007fba3fe8aab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000047d74f9 in os_event::timed_wait (this=0x7fba2c7b49d8, abstime=0x7fb9bbffe7d0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:322
#2  0x00000000047d7a57 in os_event::wait_time_low (this=0x7fba2c7b49d8, time_in_usec=5000000, reset_sig_count=1) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:495
#3  0x00000000047d7c88 in os_event_wait_time_low (event=0x7fba2c7b49d8, time_in_usec=5000000, reset_sig_count=1) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:594
#4  0x000000000497d6c1 in ib_wqueue_timedwait (wq=0x7fba2c6da6e8, wait_in_usecs=5000000) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/ut/ut0wqueue.cc:116
#5  0x0000000004b8d7d6 in fts_optimize_thread (wq=0x7fba2c6da6e8) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/fts/fts0opt.cc:2844
#6  0x0000000004b8f252 in std::__invoke_impl<void, void (*&)(ib_wqueue_t*), ib_wqueue_t*&> (__f=@0x7fb9bbffeb80: 0x4b8d5da <fts_optimize_thread(ib_wqueue_t*)>, __args#0=@0x7fb9bbffeb88: 0x7fba2c6da6e8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#7  0x0000000004b8f1ab in std::__invoke<void (*&)(ib_wqueue_t*), ib_wqueue_t*&> (__fn=@0x7fb9bbffeb80: 0x4b8d5da <fts_optimize_thread(ib_wqueue_t*)>, __args#0=@0x7fb9bbffeb88: 0x7fba2c6da6e8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#8  0x0000000004b8f0bc in std::_Bind<void (*(ib_wqueue_t*))(ib_wqueue_t*)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fb9bbffeb80, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0x1120e08a, DIE 0x112a09b5>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#9  0x0000000004b8f012 in std::_Bind<void (*(ib_wqueue_t*))(ib_wqueue_t*)>::operator()<, void>() (this=0x7fb9bbffeb80) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#10 0x0000000004b8ef75 in Runnable::operator()<void (*)(ib_wqueue_t*), ib_wqueue_t*>(void (*&&)(ib_wqueue_t*), ib_wqueue_t*&&) (this=0x7fba2c830438, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0x1120e08a, DIE 0x112a0bb3>, args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0x1120e08a, DIE 0x112a0bde>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#11 0x0000000004b8ee51 in std::__invoke_impl<void, Runnable, void (*)(ib_wqueue_t*), ib_wqueue_t*>(std::__invoke_other, Runnable&&, void (*&&)(ib_wqueue_t*), ib_wqueue_t*&&) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0x1120e08a, DIE 0x112a0d1a>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0x1120e08a, DIE 0x112a0d3d>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0x1120e08a, DIE 0x112a0d4c>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#12 0x0000000004b8ed8e in std::__invoke<Runnable, void (*)(ib_wqueue_t*), ib_wqueue_t*>(Runnable&&, void (*&&)(ib_wqueue_t*), ib_wqueue_t*&&) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0x1120e08a, DIE 0x112a0f41>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0x1120e08a, DIE 0x112a0f64>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0x1120e08a, DIE 0x112a0f73>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#13 0x0000000004b8ecc1 in std::thread::_Invoker<std::tuple<Runnable, void (*)(ib_wqueue_t*), ib_wqueue_t*> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fba2c830428) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#14 0x0000000004b8ec60 in std::thread::_Invoker<std::tuple<Runnable, void (*)(ib_wqueue_t*), ib_wqueue_t*> >::operator() (this=0x7fba2c830428) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#15 0x0000000004b8ec44 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)(ib_wqueue_t*), ib_wqueue_t*> > >::_M_run (this=0x7fba2c830420) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#16 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#17 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#18 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 32 (Thread 0x7fba03fff700 (LWP 19207)):
#0  0x00007fba3ecab644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x00000000047c3b3b in LinuxAIOHandler::collect (this=0x7fba03ffe960) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2333
#2  0x00000000047c408d in LinuxAIOHandler::poll (this=0x7fba03ffe960, m1=0x7fba03ffea48, m2=0x7fba03ffea08, request=0x7fba03ffea10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2478
#3  0x00000000047c41f6 in os_aio_linux_handler (global_segment=9, m1=0x7fba03ffea48, m2=0x7fba03ffea08, request=0x7fba03ffea10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2527
#4  0x00000000047c9499 in os_aio_handler (segment=9, m1=0x7fba03ffea48, m2=0x7fba03ffea08, request=0x7fba03ffea10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:5967
#5  0x0000000004b1f2e9 in fil_aio_wait (segment=9) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/fil/fil0fil.cc:7717
#6  0x00000000048ecdfd in io_handler_thread (segment=9) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/srv/srv0start.cc:280
#7  0x0000000004905b76 in std::__invoke_impl<void, void (*&)(unsigned long), unsigned long&> (__f=@0x7fba03ffeb80: 0x48ecda7 <io_handler_thread(ulint)>, __args#0=@0x7fba03ffeb88: 9) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#8  0x0000000004905add in std::__invoke<void (*&)(unsigned long), unsigned long&> (__fn=@0x7fba03ffeb80: 0x48ecda7 <io_handler_thread(ulint)>, __args#0=@0x7fba03ffeb88: 9) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#9  0x0000000004905a3a in std::_Bind<void (*(unsigned long))(unsigned long)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fba03ffeb80, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0416>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#10 0x0000000004905990 in std::_Bind<void (*(unsigned long))(unsigned long)>::operator()<, void>() (this=0x7fba03ffeb80) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#11 0x00000000049058f3 in Runnable::operator()<void (*)(unsigned long), unsigned long>(void (*&&)(unsigned long), unsigned long&&) (this=0x7fba2c3fe4c8, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd072d>, args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0758>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#12 0x00000000049057e9 in std::__invoke_impl<void, Runnable, void (*)(unsigned long), unsigned long>(std::__invoke_other, Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd097e>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09a1>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09b0>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#13 0x0000000004905734 in std::__invoke<Runnable, void (*)(unsigned long), unsigned long>(Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0ced>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d10>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d1f>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#14 0x0000000004905667 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fba2c3fe4b8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#15 0x0000000004905606 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::operator() (this=0x7fba2c3fe4b8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#16 0x00000000049055ea in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> > >::_M_run (this=0x7fba2c3fe4b0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#17 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#18 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#19 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 31 (Thread 0x7fb9eabfd700 (LWP 19218)):
#0  0x00007fba3fe8aab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000047d74f9 in os_event::timed_wait (this=0x7fba2c024418, abstime=0x7fb9eabfca60) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:322
#2  0x00000000047d7a57 in os_event::wait_time_low (this=0x7fba2c024418, time_in_usec=5000000, reset_sig_count=1) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:495
#3  0x00000000047d7c88 in os_event_wait_time_low (event=0x7fba2c024418, time_in_usec=5000000, reset_sig_count=1) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:594
#4  0x00000000048e393d in srv_monitor_thread () at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/srv/srv0srv.cc:1713
#5  0x000000000478e757 in std::__invoke_impl<void, void (*&)()> (__f=@0x7fb9eabfcbb0: 0x48e38ad <srv_monitor_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#6  0x000000000478e729 in std::__invoke<void (*&)()> (__fn=@0x7fb9eabfcbb0: 0x48e38ad <srv_monitor_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#7  0x000000000478e706 in std::_Bind<void (*())()>::__call<void>(std::tuple<>&&, std::_Index_tuple<>) (this=0x7fb9eabfcbb0, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9be989>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#8  0x000000000478e6b0 in std::_Bind<void (*())()>::operator()<, void>() (this=0x7fb9eabfcbb0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#9  0x000000000478e634 in Runnable::operator()<void (*)()>(void (*&&)()) (this=0x7fba2c530800, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9beb26>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#10 0x000000000478e543 in std::__invoke_impl<void, Runnable, void (*)()>(std::__invoke_other, Runnable&&, void (*&&)()) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec1a>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec38>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#11 0x000000000478e4c2 in std::__invoke<Runnable, void (*)()>(Runnable&&, void (*&&)()) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bed8f>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bedad>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#12 0x000000000478e431 in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::_M_invoke<0ul, 1ul> (this=0x7fba2c5307f8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#13 0x000000000478e3ec in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::operator() (this=0x7fba2c5307f8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#14 0x000000000478e3d0 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)()> > >::_M_run (this=0x7fba2c5307f0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#15 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#16 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#17 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 30 (Thread 0x7fba31b72700 (LWP 19229)):
#0  0x00007fba3fe8a705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000047d880c in os_event::wait (this=0x7fba2c0244b8) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:189
#2  0x00000000047d7672 in os_event::wait_low (this=0x7fba2c0244b8, reset_sig_count=1) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:372
#3  0x00000000047d7cad in os_event_wait_low (event=0x7fba2c0244b8, reset_sig_count=0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:608
#4  0x0000000004a3162c in buf_dump_thread () at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/buf/buf0dump.cc:688
#5  0x000000000478e757 in std::__invoke_impl<void, void (*&)()> (__f=@0x7fba31b71bb0: 0x4a3158b <buf_dump_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#6  0x000000000478e729 in std::__invoke<void (*&)()> (__fn=@0x7fba31b71bb0: 0x4a3158b <buf_dump_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#7  0x000000000478e706 in std::_Bind<void (*())()>::__call<void>(std::tuple<>&&, std::_Index_tuple<>) (this=0x7fba31b71bb0, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9be989>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#8  0x000000000478e6b0 in std::_Bind<void (*())()>::operator()<, void>() (this=0x7fba31b71bb0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#9  0x000000000478e634 in Runnable::operator()<void (*)()>(void (*&&)()) (this=0x99ef900, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9beb26>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#10 0x000000000478e543 in std::__invoke_impl<void, Runnable, void (*)()>(std::__invoke_other, Runnable&&, void (*&&)()) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec1a>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec38>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#11 0x000000000478e4c2 in std::__invoke<Runnable, void (*)()>(Runnable&&, void (*&&)()) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bed8f>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bedad>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#12 0x000000000478e431 in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::_M_invoke<0ul, 1ul> (this=0x99ef8f8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#13 0x000000000478e3ec in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::operator() (this=0x99ef8f8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#14 0x000000000478e3d0 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)()> > >::_M_run (this=0x99ef8f0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#15 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#16 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#17 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 29 (Thread 0x7fba30648700 (LWP 19224)):
#0  0x00007fba3fe8aab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000004565a6b in native_cond_timedwait (cond=0x996c588, mutex=0x996c798, abstime=0x7fba30647b20) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/include/thr_cond.h:100
#2  0x0000000004565dd7 in safe_cond_timedwait (cond=0x996c588, mp=0x996c770, abstime=0x7fba30647b20, file=0x66e4e68 "/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/src/helper/multithread/cond.cc", line=42) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/mysys/thr_cond.cc:113
#3  0x0000000004deab4e in my_cond_timedwait (cond=0x996c588, mp=0x996c558, abstime=0x7fba30647b20, file=0x66e4e68 "/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/src/helper/multithread/cond.cc", line=42) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/include/thr_cond.h:147
#4  0x0000000004dead2f in inline_mysql_cond_timedwait (that=0x996c588, mutex=0x996c558, abstime=0x7fba30647b20, src_file=0x66e4e68 "/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/src/helper/multithread/cond.cc", src_line=42) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/include/mysql/psi/mysql_cond.h:217
#5  0x0000000004deaeca in xpl::Cond::timed_wait (this=0x996c588, mutex=..., nanoseconds=60000000000) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/src/helper/multithread/cond.cc:42
#6  0x0000000004e903c1 in ngs::Scheduler_dynamic::wait_if_idle_then_delete_worker (this=0x996c530, thread_waiting_started=@0x7fba30647c18: 1581507854316) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/ngs/src/scheduler.cc:199
#7  0x0000000004e905e6 in ngs::Scheduler_dynamic::worker (this=0x996c530) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/ngs/src/scheduler.cc:246
#8  0x0000000004e902ac in ngs::Scheduler_dynamic::worker_proxy (data=0x996c530) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/ngs/src/scheduler.cc:171
#9  0x0000000004cfc883 in pfs_spawn_thread (arg=0x99ed310) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/perfschema/pfs.cc:2854
#10 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#11 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 28 (Thread 0x7fb9b97fb700 (LWP 19233)):
#0  0x00007fba3fe8d99d in nanosleep () from /lib64/libpthread.so.0
#1  0x0000000002ff32bd in std::this_thread::sleep_for<long, std::ratio<1l, 1000000l> > (__rtime=...) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:378
#2  0x0000000004896183 in row_purge_parse_undo_rec (node=0x7fba2c50f608, undo_rec=0x7fba2c511068 "\001\206N", updated_extern=0x7fb9b97fa9a7, thd=0x7fb994000940, thr=0x7fba2c50f430) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/row/row0purge.cc:877
#3  0x0000000004896d8d in row_purge (node=0x7fba2c50f608, undo_rec=0x7fba2c511068 "\001\206N", thr=0x7fba2c50f430) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/row/row0purge.cc:1161
#4  0x00000000048970d4 in row_purge_step (thr=0x7fba2c50f430) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/row/row0purge.cc:1236
#5  0x0000000004806e55 in que_thr_step (thr=0x7fba2c50f430) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/que/que0que.cc:923
#6  0x0000000004807003 in que_run_threads_low (thr=0x7fba2c50f430) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/que/que0que.cc:974
#7  0x00000000048071cc in que_run_threads (thr=0x7fba2c50f430) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/que/que0que.cc:1009
#8  0x00000000048e61eb in srv_task_execute () at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/srv/srv0srv.cc:2773
#9  0x00000000048e6384 in srv_worker_thread () at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/srv/srv0srv.cc:2812
#10 0x000000000478e757 in std::__invoke_impl<void, void (*&)()> (__f=@0x7fb9b97fabb0: 0x48e620a <srv_worker_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#11 0x000000000478e729 in std::__invoke<void (*&)()> (__fn=@0x7fb9b97fabb0: 0x48e620a <srv_worker_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#12 0x000000000478e706 in std::_Bind<void (*())()>::__call<void>(std::tuple<>&&, std::_Index_tuple<>) (this=0x7fb9b97fabb0, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9be989>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#13 0x000000000478e6b0 in std::_Bind<void (*())()>::operator()<, void>() (this=0x7fb9b97fabb0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#14 0x000000000478e634 in Runnable::operator()<void (*)()>(void (*&&)()) (this=0x99e7e60, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9beb26>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#15 0x000000000478e543 in std::__invoke_impl<void, Runnable, void (*)()>(std::__invoke_other, Runnable&&, void (*&&)()) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec1a>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec38>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#16 0x000000000478e4c2 in std::__invoke<Runnable, void (*)()>(Runnable&&, void (*&&)()) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bed8f>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bedad>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#17 0x000000000478e431 in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::_M_invoke<0ul, 1ul> (this=0x99e7e58) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#18 0x000000000478e3ec in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::operator() (this=0x99e7e58) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#19 0x000000000478e3d0 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)()> > >::_M_run (this=0x99e7e50) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#20 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#21 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#22 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 27 (Thread 0x7fb9bb5fe700 (LWP 19230)):
#0  0x00007fba3fe8aab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000047d74f9 in os_event::timed_wait (this=0x7fba2c2e8d38, abstime=0x7fb9bb5fd9d0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:322
#2  0x00000000047d7a57 in os_event::wait_time_low (this=0x7fba2c2e8d38, time_in_usec=100000, reset_sig_count=1) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:495
#3  0x00000000047d7c88 in os_event_wait_time_low (event=0x7fba2c2e8d38, time_in_usec=100000, reset_sig_count=0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:594
#4  0x0000000004a82446 in Clone_persist_gtid::periodic_write (this=0x7fba2c2e8ca0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/clone/clone0repl.cc:522
#5  0x0000000004a82871 in clone_gtid_thread (persist_gtid=0x7fba2c2e8ca0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/clone/clone0repl.cc:596
#6  0x0000000004a857dc in std::__invoke_impl<void, void (*&)(Clone_persist_gtid*), Clone_persist_gtid*&> (__f=@0x7fb9bb5fdb80: 0x4a82859 <clone_gtid_thread(Clone_persist_gtid*)>, __args#0=@0x7fb9bb5fdb88: 0x7fba2c2e8ca0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#7  0x0000000004a85735 in std::__invoke<void (*&)(Clone_persist_gtid*), Clone_persist_gtid*&> (__fn=@0x7fb9bb5fdb80: 0x4a82859 <clone_gtid_thread(Clone_persist_gtid*)>, __args#0=@0x7fb9bb5fdb88: 0x7fba2c2e8ca0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#8  0x0000000004a85646 in std::_Bind<void (*(Clone_persist_gtid*))(Clone_persist_gtid*)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fb9bb5fdb80, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0x1029d328, DIE 0x10345f36>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#9  0x0000000004a8559c in std::_Bind<void (*(Clone_persist_gtid*))(Clone_persist_gtid*)>::operator()<, void>() (this=0x7fb9bb5fdb80) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#10 0x0000000004a854ff in Runnable::operator()<void (*)(Clone_persist_gtid*), Clone_persist_gtid*>(void (*&&)(Clone_persist_gtid*), Clone_persist_gtid*&&) (this=0x99709c8, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0x1029d328, DIE 0x10346134>, args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0x1029d328, DIE 0x1034615f>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#11 0x0000000004a853db in std::__invoke_impl<void, Runnable, void (*)(Clone_persist_gtid*), Clone_persist_gtid*>(std::__invoke_other, Runnable&&, void (*&&)(Clone_persist_gtid*), Clone_persist_gtid*&&) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0x1029d328, DIE 0x1034629a>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0x1029d328, DIE 0x103462bd>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0x1029d328, DIE 0x103462cc>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#12 0x0000000004a85318 in std::__invoke<Runnable, void (*)(Clone_persist_gtid*), Clone_persist_gtid*>(Runnable&&, void (*&&)(Clone_persist_gtid*), Clone_persist_gtid*&&) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0x1029d328, DIE 0x103464c1>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0x1029d328, DIE 0x103464e4>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0x1029d328, DIE 0x103464f3>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#13 0x0000000004a8524b in std::thread::_Invoker<std::tuple<Runnable, void (*)(Clone_persist_gtid*), Clone_persist_gtid*> >::_M_invoke<0ul, 1ul, 2ul> (this=0x99709b8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#14 0x0000000004a851ea in std::thread::_Invoker<std::tuple<Runnable, void (*)(Clone_persist_gtid*), Clone_persist_gtid*> >::operator() (this=0x99709b8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#15 0x0000000004a851ce in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)(Clone_persist_gtid*), Clone_persist_gtid*> > >::_M_run (this=0x99709b0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#16 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#17 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#18 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 26 (Thread 0x7fba3052f700 (LWP 19236)):
#0  0x00007fba3de237da in sigwaitinfo () from /lib64/libc.so.6
#1  0x0000000002f08483 in signal_hand (arg=0x0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/mysqld.cc:3254
#2  0x0000000004cfc883 in pfs_spawn_thread (arg=0x9c02b20) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/perfschema/pfs.cc:2854
#3  0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 25 (Thread 0x7fba305bc700 (LWP 19226)):
#0  0x00007fba3fe8a705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000004565a90 in native_cond_wait (cond=0x99eccf0, mutex=0x99ecd58) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/include/thr_cond.h:109
#2  0x0000000004565bfb in safe_cond_wait (cond=0x99eccf0, mp=0x99ecd30, file=0x66e4e68 "/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/src/helper/multithread/cond.cc", line=35) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/mysys/thr_cond.cc:71
#3  0x0000000004deab81 in my_cond_wait (cond=0x99eccf0, mp=0x99eccc0, file=0x66e4e68 "/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/src/helper/multithread/cond.cc", line=35) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/include/thr_cond.h:160
#4  0x0000000004deac77 in inline_mysql_cond_wait (that=0x99eccf0, mutex=0x99eccc0, src_file=0x66e4e68 "/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/src/helper/multithread/cond.cc", src_line=35) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/include/mysql/psi/mysql_cond.h:174
#5  0x0000000004deae7e in xpl::Cond::wait (this=0x99eccf0, mutex=...) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/src/helper/multithread/cond.cc:35
#6  0x0000000004de1b3f in xpl::Synchronize::Block::wait (this=0x7fba305bba90) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/src/helper/multithread/synchronize.h:49
#7  0x0000000004eb9de9 in xpl::Broker_task::wait_for_data_and_swap_queues (this=0x99946d0, out_workers_queue=0x7fba305bbad0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/src/mq/broker_task.cc:115
#8  0x0000000004eb9cc6 in xpl::Broker_task::loop (this=0x99946d0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/src/mq/broker_task.cc:92
#9  0x0000000004ddf5bd in ngs::Server::run_task (this=0x99ec4a8, handler=...) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/ngs/src/server.cc:106
#10 0x0000000004ddf79a in ngs::Server::<lambda()>::operator()(void) const (__closure=0x7fb9b0005a90) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/ngs/src/server.cc:138
#11 0x0000000004de13ee in std::_Function_handler<void(), ngs::Server::start()::<lambda()> >::_M_invoke(const std::_Any_data &) (__functor=...) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/std_function.h:300
#12 0x0000000004900128 in std::function<void ()>::operator()() const (this=0x7fb9b0005230) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/std_function.h:690
#13 0x0000000004e905aa in ngs::Scheduler_dynamic::worker (this=0x99ec760) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/ngs/src/scheduler.cc:237
#14 0x0000000004e902ac in ngs::Scheduler_dynamic::worker_proxy (data=0x99ec760) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/ngs/src/scheduler.cc:171
#15 0x0000000004cfc883 in pfs_spawn_thread (arg=0x99eda30) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/perfschema/pfs.cc:2854
#16 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#17 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 24 (Thread 0x7fb9b8dfa700 (LWP 19234)):
#0  0x00007fba3fe8a705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000047d880c in os_event::wait (this=0x7fba2c0242d8) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:189
#2  0x00000000047d7672 in os_event::wait_low (this=0x7fba2c0242d8, reset_sig_count=4) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:372
#3  0x00000000047d7cad in os_event_wait_low (event=0x7fba2c0242d8, reset_sig_count=0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:608
#4  0x00000000048e637f in srv_worker_thread () at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/srv/srv0srv.cc:2810
#5  0x000000000478e757 in std::__invoke_impl<void, void (*&)()> (__f=@0x7fb9b8df9bb0: 0x48e620a <srv_worker_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#6  0x000000000478e729 in std::__invoke<void (*&)()> (__fn=@0x7fb9b8df9bb0: 0x48e620a <srv_worker_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#7  0x000000000478e706 in std::_Bind<void (*())()>::__call<void>(std::tuple<>&&, std::_Index_tuple<>) (this=0x7fb9b8df9bb0, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9be989>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#8  0x000000000478e6b0 in std::_Bind<void (*())()>::operator()<, void>() (this=0x7fb9b8df9bb0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#9  0x000000000478e634 in Runnable::operator()<void (*)()>(void (*&&)()) (this=0x99e9290, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9beb26>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#10 0x000000000478e543 in std::__invoke_impl<void, Runnable, void (*)()>(std::__invoke_other, Runnable&&, void (*&&)()) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec1a>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec38>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#11 0x000000000478e4c2 in std::__invoke<Runnable, void (*)()>(Runnable&&, void (*&&)()) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bed8f>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bedad>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#12 0x000000000478e431 in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::_M_invoke<0ul, 1ul> (this=0x99e9288) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#13 0x000000000478e3ec in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::operator() (this=0x99e9288) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#14 0x000000000478e3d0 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)()> > >::_M_run (this=0x99e9280) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#15 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#16 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#17 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 23 (Thread 0x7fb9e8dfa700 (LWP 19221)):
#0  0x00007fba3fe8aab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000047d74f9 in os_event::timed_wait (this=0x7fba2c82f158, abstime=0x7fb9e8df9a80) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:322
#2  0x00000000047d7a57 in os_event::wait_time_low (this=0x7fba2c82f158, time_in_usec=10000000, reset_sig_count=1) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:495
#3  0x00000000047d7c88 in os_event_wait_time_low (event=0x7fba2c82f158, time_in_usec=10000000, reset_sig_count=0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:594
#4  0x0000000004af7b19 in dict_stats_thread () at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/dict/dict0stats_bg.cc:372
#5  0x000000000478e757 in std::__invoke_impl<void, void (*&)()> (__f=@0x7fb9e8df9bb0: 0x4af7a9f <dict_stats_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#6  0x000000000478e729 in std::__invoke<void (*&)()> (__fn=@0x7fb9e8df9bb0: 0x4af7a9f <dict_stats_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#7  0x000000000478e706 in std::_Bind<void (*())()>::__call<void>(std::tuple<>&&, std::_Index_tuple<>) (this=0x7fb9e8df9bb0, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9be989>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#8  0x000000000478e6b0 in std::_Bind<void (*())()>::operator()<, void>() (this=0x7fb9e8df9bb0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#9  0x000000000478e634 in Runnable::operator()<void (*)()>(void (*&&)()) (this=0x7fba2cb1f6e0, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9beb26>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#10 0x000000000478e543 in std::__invoke_impl<void, Runnable, void (*)()>(std::__invoke_other, Runnable&&, void (*&&)()) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec1a>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec38>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#11 0x000000000478e4c2 in std::__invoke<Runnable, void (*)()>(Runnable&&, void (*&&)()) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bed8f>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bedad>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#12 0x000000000478e431 in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::_M_invoke<0ul, 1ul> (this=0x7fba2cb1f6d8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#13 0x000000000478e3ec in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::operator() (this=0x7fba2cb1f6d8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#14 0x000000000478e3d0 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)()> > >::_M_run (this=0x7fba2cb1f6d0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#15 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#16 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#17 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 22 (Thread 0x7fba30602700 (LWP 19225)):
#0  0x00007fba3dedddd9 in syscall () from /lib64/libc.so.6
#1  0x0000000004ed2c57 in epoll_wait (epfd=26, events=0x996d280, maxevents=32, timeout=998) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/extra/libevent/epoll_sub.c:64
#2  0x0000000004ed2930 in epoll_dispatch (base=0x996cfe0, tv=0x7fba30601940) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/extra/libevent/epoll.c:462
#3  0x0000000004ec1542 in event_base_loop (base=0x996cfe0, flags=0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/extra/libevent/event.c:1947
#4  0x0000000004e984bd in ngs::Socket_events::loop (this=0x996ceb0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/ngs/src/socket_events.cc:174
#5  0x0000000004e94819 in ngs::Socket_acceptors_task::loop (this=0x996d440) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/ngs/src/socket_acceptors_task.cc:212
#6  0x0000000004ddf5bd in ngs::Server::run_task (this=0x99ec4a8, handler=...) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/ngs/src/server.cc:106
#7  0x0000000004ddf9d1 in ngs::Server::start (this=0x99ec4a8) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/ngs/src/server.cc:141
#8  0x0000000004decd82 in xpl::Server::net_thread (this=0x99ec3f0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/src/xpl_server.cc:492
#9  0x0000000004dfbde2 in std::__invoke_impl<void, void (xpl::Server::*&)(), xpl::Server*&> (__f=@0x9968750: (void (xpl::Server::*)(xpl::Server * const)) 0x4decd2e <xpl::Server::net_thread()>, __t=@0x9968760: 0x99ec3f0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:73
#10 0x0000000004dfa1e7 in std::__invoke<void (xpl::Server::*&)(), xpl::Server*&> (__fn=@0x9968750: (void (xpl::Server::*)(xpl::Server * const)) 0x4decd2e <xpl::Server::net_thread()>, __args#0=@0x9968760: 0x99ec3f0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#11 0x0000000004df873a in std::_Bind<void (xpl::Server::*(xpl::Server*))()>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x9968750, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0x14ada1c5, DIE 0x14b4fb71>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#12 0x0000000004df6eb4 in std::_Bind<void (xpl::Server::*(xpl::Server*))()>::operator()<, void>() (this=0x9968750) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#13 0x0000000004df4c55 in std::_Function_handler<void (), std::_Bind<void (xpl::Server::*(xpl::Server*))()> >::_M_invoke(std::_Any_data const&) (__functor=...) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/std_function.h:300
#14 0x0000000004900128 in std::function<void ()>::operator()() const (this=0x99ed9e0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/std_function.h:690
#15 0x0000000004e905aa in ngs::Scheduler_dynamic::worker (this=0x99ec760) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/ngs/src/scheduler.cc:237
#16 0x0000000004e902ac in ngs::Scheduler_dynamic::worker_proxy (data=0x99ec760) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/ngs/src/scheduler.cc:171
#17 0x0000000004cfc883 in pfs_spawn_thread (arg=0x99ed650) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/perfschema/pfs.cc:2854
#18 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#19 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 21 (Thread 0x7fba30576700 (LWP 19235)):
#0  0x00007fba3fe8a705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000004565a90 in native_cond_wait (cond=0x9b5d1f0, mutex=0x9b5d2b8) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/include/thr_cond.h:109
#2  0x0000000004565bfb in safe_cond_wait (cond=0x9b5d1f0, mp=0x9b5d290, file=0x59af9c8 "/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/event_queue.cc", line=718) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/mysys/thr_cond.cc:71
#3  0x0000000003710bb4 in my_cond_wait (cond=0x9b5d1f0, mp=0x9b5d1c0, file=0x59af9c8 "/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/event_queue.cc", line=718) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/include/thr_cond.h:160
#4  0x0000000003710caa in inline_mysql_cond_wait (that=0x9b5d1f0, mutex=0x9b5d1c0, src_file=0x59af9c8 "/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/event_queue.cc", src_line=718) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/include/mysql/psi/mysql_cond.h:174
#5  0x0000000003712ffc in Event_queue::cond_wait (this=0x9b5d1c0, thd=0x9bfa880, abstime=0x0, stage=0x73d77e0 <stage_waiting_on_empty_queue>, src_func=0x59aff26 "get_top_for_execution_if_time", src_file=0x59af9c8 "/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/event_queue.cc", src_line=557) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/event_queue.cc:718
#6  0x0000000003712743 in Event_queue::get_top_for_execution_if_time (this=0x9b5d1c0, thd=0x9bfa880, event_name=0x7fba30575b88) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/event_queue.cc:556
#7  0x000000000371815e in Event_scheduler::run (this=0x9b5d300, thd=0x9bfa880) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/event_scheduler.cc:545
#8  0x00000000037171bc in event_scheduler_thread (arg=0x9b7ddc0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/event_scheduler.cc:267
#9  0x0000000004cfc883 in pfs_spawn_thread (arg=0x9c02b20) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/perfschema/pfs.cc:2854
#10 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#11 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 20 (Thread 0x7fb9ea1fc700 (LWP 19219)):
#0  0x00007fba3fe8a705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000047d880c in os_event::wait (this=0x7fba2c0245f8) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:189
#2  0x00000000047d7672 in os_event::wait_low (this=0x7fba2c0245f8, reset_sig_count=1) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:372
#3  0x00000000047d7cad in os_event_wait_low (event=0x7fba2c0245f8, reset_sig_count=0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:608
#4  0x0000000004a111a4 in buf_resize_thread () at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/buf/buf0buf.cc:2501
#5  0x000000000478e757 in std::__invoke_impl<void, void (*&)()> (__f=@0x7fb9ea1fbbb0: 0x4a11160 <buf_resize_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#6  0x000000000478e729 in std::__invoke<void (*&)()> (__fn=@0x7fb9ea1fbbb0: 0x4a11160 <buf_resize_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#7  0x000000000478e706 in std::_Bind<void (*())()>::__call<void>(std::tuple<>&&, std::_Index_tuple<>) (this=0x7fb9ea1fbbb0, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9be989>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#8  0x000000000478e6b0 in std::_Bind<void (*())()>::operator()<, void>() (this=0x7fb9ea1fbbb0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#9  0x000000000478e634 in Runnable::operator()<void (*)()>(void (*&&)()) (this=0x7fba2c407c10, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9beb26>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#10 0x000000000478e543 in std::__invoke_impl<void, Runnable, void (*)()>(std::__invoke_other, Runnable&&, void (*&&)()) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec1a>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec38>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#11 0x000000000478e4c2 in std::__invoke<Runnable, void (*)()>(Runnable&&, void (*&&)()) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bed8f>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bedad>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#12 0x000000000478e431 in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::_M_invoke<0ul, 1ul> (this=0x7fba2c407c08) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#13 0x000000000478e3ec in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::operator() (this=0x7fba2c407c08) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#14 0x000000000478e3d0 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)()> > >::_M_run (this=0x7fba2c407c00) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#15 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#16 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#17 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 19 (Thread 0x7fb9eb5fe700 (LWP 19217)):
#0  0x00007fba3fe8aab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000047d74f9 in os_event::timed_wait (this=0x7fba2c024378, abstime=0x7fb9eb5fd710) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:322
#2  0x00000000047d7a57 in os_event::wait_time_low (this=0x7fba2c024378, time_in_usec=1000000, reset_sig_count=1) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:495
#3  0x00000000047d7c88 in os_event_wait_time_low (event=0x7fba2c024378, time_in_usec=1000000, reset_sig_count=1) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:594
#4  0x00000000048e3cef in srv_error_monitor_thread () at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/srv/srv0srv.cc:1835
#5  0x000000000478e757 in std::__invoke_impl<void, void (*&)()> (__f=@0x7fb9eb5fdbb0: 0x48e3ac9 <srv_error_monitor_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#6  0x000000000478e729 in std::__invoke<void (*&)()> (__fn=@0x7fb9eb5fdbb0: 0x48e3ac9 <srv_error_monitor_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#7  0x000000000478e706 in std::_Bind<void (*())()>::__call<void>(std::tuple<>&&, std::_Index_tuple<>) (this=0x7fb9eb5fdbb0, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9be989>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#8  0x000000000478e6b0 in std::_Bind<void (*())()>::operator()<, void>() (this=0x7fb9eb5fdbb0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#9  0x000000000478e634 in Runnable::operator()<void (*)()>(void (*&&)()) (this=0x7fba2c534190, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9beb26>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#10 0x000000000478e543 in std::__invoke_impl<void, Runnable, void (*)()>(std::__invoke_other, Runnable&&, void (*&&)()) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec1a>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec38>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#11 0x000000000478e4c2 in std::__invoke<Runnable, void (*)()>(Runnable&&, void (*&&)()) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bed8f>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bedad>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#12 0x000000000478e431 in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::_M_invoke<0ul, 1ul> (this=0x7fba2c534188) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#13 0x000000000478e3ec in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::operator() (this=0x7fba2c534188) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#14 0x000000000478e3d0 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)()> > >::_M_run (this=0x7fba2c534180) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#15 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#16 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#17 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 18 (Thread 0x7fb9ebfff700 (LWP 19215)):
#0  0x00007fba3fe8aab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000047d74f9 in os_event::timed_wait (this=0x7fba2c400b18, abstime=0x7fb9ebffe870) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:322
#2  0x00000000047d7a57 in os_event::wait_time_low (this=0x7fba2c400b18, time_in_usec=4000, reset_sig_count=5) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:495
#3  0x00000000047d7c88 in os_event_wait_time_low (event=0x7fba2c400b18, time_in_usec=4000, reset_sig_count=5) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:594
#4  0x00000000047b87f7 in os_event_wait_for<log_writer(log_t*)::<lambda(bool)> >(os_event_t &, uint64_t, uint64_t, <lambda(bool)>) (event=@0x7fb9ebffea38: 0x7fba2c400b18, spins_limit=0, timeout=4000, condition=...) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0event.ic:138
#5  0x00000000047b7fcc in Log_thread_waiting::wait<log_writer(log_t*)::<lambda(bool)> >(<lambda(bool)>) (this=0x7fb9ebffea30, stop_condition=...) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/log/log0write.cc:1045
#6  0x00000000047b3dec in log_writer (log_ptr=0x7fba2c3ffec0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/log/log0write.cc:2011
#7  0x0000000004785d32 in std::__invoke_impl<void, void (*&)(log_t*), log_t*&> (__f=@0x7fb9ebffeb80: 0x47b3cc2 <log_writer(log_t*)>, __args#0=@0x7fb9ebffeb88: 0x7fba2c3ffec0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#8  0x0000000004785c8b in std::__invoke<void (*&)(log_t*), log_t*&> (__fn=@0x7fb9ebffeb80: 0x47b3cc2 <log_writer(log_t*)>, __args#0=@0x7fb9ebffeb88: 0x7fba2c3ffec0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#9  0x0000000004785b9c in std::_Bind<void (*(log_t*))(log_t*)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fb9ebffeb80, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd905192>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#10 0x0000000004785af2 in std::_Bind<void (*(log_t*))(log_t*)>::operator()<, void>() (this=0x7fb9ebffeb80) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#11 0x0000000004785a55 in Runnable::operator()<void (*)(log_t*), log_t*>(void (*&&)(log_t*), log_t*&&) (this=0x7fba2c8b37b8, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90538d>, args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd9053b8>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#12 0x0000000004785931 in std::__invoke_impl<void, Runnable, void (*)(log_t*), log_t*>(std::__invoke_other, Runnable&&, void (*&&)(log_t*), log_t*&&) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd9054f3>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd905516>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd905525>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#13 0x000000000478586e in std::__invoke<Runnable, void (*)(log_t*), log_t*>(Runnable&&, void (*&&)(log_t*), log_t*&&) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90571a>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90573d>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90574c>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#14 0x00000000047857a1 in std::thread::_Invoker<std::tuple<Runnable, void (*)(log_t*), log_t*> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fba2c8b37a8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#15 0x0000000004785740 in std::thread::_Invoker<std::tuple<Runnable, void (*)(log_t*), log_t*> >::operator() (this=0x7fba2c8b37a8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#16 0x0000000004785724 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)(log_t*), log_t*> > >::_M_run (this=0x7fba2c8b37a0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#17 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#18 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#19 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7fb9f6bfd700 (LWP 19211)):
#0  0x00007fba3fe8aab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000047d74f9 in os_event::timed_wait (this=0x7fba2c400938, abstime=0x7fb9f6bfc890) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:322
#2  0x00000000047d7a57 in os_event::wait_time_low (this=0x7fba2c400938, time_in_usec=64000, reset_sig_count=1) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:495
#3  0x00000000047d7c88 in os_event_wait_time_low (event=0x7fba2c400938, time_in_usec=64000, reset_sig_count=1) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:594
#4  0x00000000047b8bfb in os_event_wait_for<log_closer(log_t*)::<lambda(bool)> >(os_event_t &, uint64_t, uint64_t, <lambda(bool)>) (event=@0x7fb9f6bfca28: 0x7fba2c400938, spins_limit=0, timeout=64000, condition=...) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0event.ic:138
#5  0x00000000047b83eb in Log_thread_waiting::wait<log_closer(log_t*)::<lambda(bool)> >(<lambda(bool)>) (this=0x7fb9f6bfca20, stop_condition=...) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/log/log0write.cc:1045
#6  0x00000000047b723e in log_closer (log_ptr=0x7fba2c3ffec0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/log/log0write.cc:2573
#7  0x0000000004785d32 in std::__invoke_impl<void, void (*&)(log_t*), log_t*&> (__f=@0x7fb9f6bfcb80: 0x47b7146 <log_closer(log_t*)>, __args#0=@0x7fb9f6bfcb88: 0x7fba2c3ffec0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#8  0x0000000004785c8b in std::__invoke<void (*&)(log_t*), log_t*&> (__fn=@0x7fb9f6bfcb80: 0x47b7146 <log_closer(log_t*)>, __args#0=@0x7fb9f6bfcb88: 0x7fba2c3ffec0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#9  0x0000000004785b9c in std::_Bind<void (*(log_t*))(log_t*)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fb9f6bfcb80, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd905192>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#10 0x0000000004785af2 in std::_Bind<void (*(log_t*))(log_t*)>::operator()<, void>() (this=0x7fb9f6bfcb80) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#11 0x0000000004785a55 in Runnable::operator()<void (*)(log_t*), log_t*>(void (*&&)(log_t*), log_t*&&) (this=0x7fba2c8b2eb8, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90538d>, args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd9053b8>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#12 0x0000000004785931 in std::__invoke_impl<void, Runnable, void (*)(log_t*), log_t*>(std::__invoke_other, Runnable&&, void (*&&)(log_t*), log_t*&&) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd9054f3>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd905516>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd905525>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#13 0x000000000478586e in std::__invoke<Runnable, void (*)(log_t*), log_t*>(Runnable&&, void (*&&)(log_t*), log_t*&&) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90571a>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90573d>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90574c>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#14 0x00000000047857a1 in std::thread::_Invoker<std::tuple<Runnable, void (*)(log_t*), log_t*> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fba2c8b2ea8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#15 0x0000000004785740 in std::thread::_Invoker<std::tuple<Runnable, void (*)(log_t*), log_t*> >::operator() (this=0x7fba2c8b2ea8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#16 0x0000000004785724 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)(log_t*), log_t*> > >::_M_run (this=0x7fba2c8b2ea0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#17 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#18 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#19 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7fb9f61fc700 (LWP 19212)):
#0  0x00007fba3fe8aab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000047d74f9 in os_event::timed_wait (this=0x7fba2c400a78, abstime=0x7fb9f61fb7a0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:322
#2  0x00000000047d7a57 in os_event::wait_time_low (this=0x7fba2c400a78, time_in_usec=64000, reset_sig_count=13) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:495
#3  0x00000000047d7c88 in os_event_wait_time_low (event=0x7fba2c400a78, time_in_usec=64000, reset_sig_count=13) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:594
#4  0x00000000047b8afa in os_event_wait_for<log_flush_notifier(log_t*)::<lambda(bool)> >(os_event_t &, uint64_t, uint64_t, <lambda(bool)>) (event=@0x7fb9f61fb948: 0x7fba2c400a78, spins_limit=0, timeout=64000, condition=...) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0event.ic:138
#5  0x00000000047b82e3 in Log_thread_waiting::wait<log_flush_notifier(log_t*)::<lambda(bool)> >(<lambda(bool)>) (this=0x7fb9f61fb940, stop_condition=...) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/log/log0write.cc:1045
#6  0x00000000047b6ae4 in log_flush_notifier (log_ptr=0x7fba2c3ffec0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/log/log0write.cc:2485
#7  0x0000000004785d32 in std::__invoke_impl<void, void (*&)(log_t*), log_t*&> (__f=@0x7fb9f61fbb80: 0x47b67e9 <log_flush_notifier(log_t*)>, __args#0=@0x7fb9f61fbb88: 0x7fba2c3ffec0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#8  0x0000000004785c8b in std::__invoke<void (*&)(log_t*), log_t*&> (__fn=@0x7fb9f61fbb80: 0x47b67e9 <log_flush_notifier(log_t*)>, __args#0=@0x7fb9f61fbb88: 0x7fba2c3ffec0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#9  0x0000000004785b9c in std::_Bind<void (*(log_t*))(log_t*)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fb9f61fbb80, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd905192>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#10 0x0000000004785af2 in std::_Bind<void (*(log_t*))(log_t*)>::operator()<, void>() (this=0x7fb9f61fbb80) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#11 0x0000000004785a55 in Runnable::operator()<void (*)(log_t*), log_t*>(void (*&&)(log_t*), log_t*&&) (this=0x7fba2c8b30f8, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90538d>, args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd9053b8>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#12 0x0000000004785931 in std::__invoke_impl<void, Runnable, void (*)(log_t*), log_t*>(std::__invoke_other, Runnable&&, void (*&&)(log_t*), log_t*&&) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd9054f3>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd905516>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd905525>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#13 0x000000000478586e in std::__invoke<Runnable, void (*)(log_t*), log_t*>(Runnable&&, void (*&&)(log_t*), log_t*&&) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90571a>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90573d>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90574c>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#14 0x00000000047857a1 in std::thread::_Invoker<std::tuple<Runnable, void (*)(log_t*), log_t*> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fba2c8b30e8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#15 0x0000000004785740 in std::thread::_Invoker<std::tuple<Runnable, void (*)(log_t*), log_t*> >::operator() (this=0x7fba2c8b30e8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#16 0x0000000004785724 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)(log_t*), log_t*> > >::_M_run (this=0x7fba2c8b30e0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#17 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#18 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#19 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7fb9f7fff700 (LWP 19216)):
#0  0x00007fba3fe8aab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000047d74f9 in os_event::timed_wait (this=0x7fba2c3ce778, abstime=0x7fb9f7ffea70) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:322
#2  0x00000000047d7a57 in os_event::wait_time_low (this=0x7fba2c3ce778, time_in_usec=1000000, reset_sig_count=1) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:495
#3  0x00000000047d7c88 in os_event_wait_time_low (event=0x7fba2c3ce778, time_in_usec=1000000, reset_sig_count=1) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:594
#4  0x0000000004760c06 in lock_wait_timeout_thread () at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/lock/lock0wait.cc:1104
#5  0x000000000478e757 in std::__invoke_impl<void, void (*&)()> (__f=@0x7fb9f7ffebb0: 0x4760b5c <lock_wait_timeout_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#6  0x000000000478e729 in std::__invoke<void (*&)()> (__fn=@0x7fb9f7ffebb0: 0x4760b5c <lock_wait_timeout_thread()>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#7  0x000000000478e706 in std::_Bind<void (*())()>::__call<void>(std::tuple<>&&, std::_Index_tuple<>) (this=0x7fb9f7ffebb0, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9be989>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#8  0x000000000478e6b0 in std::_Bind<void (*())()>::operator()<, void>() (this=0x7fb9f7ffebb0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#9  0x000000000478e634 in Runnable::operator()<void (*)()>(void (*&&)()) (this=0x7fba2c529970, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9beb26>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#10 0x000000000478e543 in std::__invoke_impl<void, Runnable, void (*)()>(std::__invoke_other, Runnable&&, void (*&&)()) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec1a>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bec38>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#11 0x000000000478e4c2 in std::__invoke<Runnable, void (*)()>(Runnable&&, void (*&&)()) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bed8f>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd914d26, DIE 0xd9bedad>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#12 0x000000000478e431 in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::_M_invoke<0ul, 1ul> (this=0x7fba2c529968) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#13 0x000000000478e3ec in std::thread::_Invoker<std::tuple<Runnable, void (*)()> >::operator() (this=0x7fba2c529968) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#14 0x000000000478e3d0 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)()> > >::_M_run (this=0x7fba2c529960) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#15 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#16 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#17 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7fb9f57fb700 (LWP 19213)):
#0  0x00007fba3fe8aab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000047d74f9 in os_event::timed_wait (this=0x7fba2c400bb8, abstime=0x7fb9f57fa830) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:322
#2  0x00000000047d7a57 in os_event::wait_time_low (this=0x7fba2c400bb8, time_in_usec=4000, reset_sig_count=151) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:495
#3  0x00000000047d7c88 in os_event_wait_time_low (event=0x7fba2c400bb8, time_in_usec=4000, reset_sig_count=151) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:594
#4  0x00000000047b88f8 in os_event_wait_for<log_flusher(log_t*)::<lambda(bool)> >(os_event_t &, uint64_t, uint64_t, <lambda(bool)>) (event=@0x7fb9f57fa9e8: 0x7fba2c400bb8, spins_limit=0, timeout=4000, condition=...) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0event.ic:138
#5  0x00000000047b80d3 in Log_thread_waiting::wait<log_flusher(log_t*)::<lambda(bool)> >(<lambda(bool)>) (this=0x7fb9f57fa9e0, stop_condition=...) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/log/log0write.cc:1045
#6  0x00000000047b555a in log_flusher (log_ptr=0x7fba2c3ffec0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/log/log0write.cc:2308
#7  0x0000000004785d32 in std::__invoke_impl<void, void (*&)(log_t*), log_t*&> (__f=@0x7fb9f57fab80: 0x47b51db <log_flusher(log_t*)>, __args#0=@0x7fb9f57fab88: 0x7fba2c3ffec0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#8  0x0000000004785c8b in std::__invoke<void (*&)(log_t*), log_t*&> (__fn=@0x7fb9f57fab80: 0x47b51db <log_flusher(log_t*)>, __args#0=@0x7fb9f57fab88: 0x7fba2c3ffec0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#9  0x0000000004785b9c in std::_Bind<void (*(log_t*))(log_t*)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fb9f57fab80, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd905192>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#10 0x0000000004785af2 in std::_Bind<void (*(log_t*))(log_t*)>::operator()<, void>() (this=0x7fb9f57fab80) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#11 0x0000000004785a55 in Runnable::operator()<void (*)(log_t*), log_t*>(void (*&&)(log_t*), log_t*&&) (this=0x7fba2c8b3338, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90538d>, args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd9053b8>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#12 0x0000000004785931 in std::__invoke_impl<void, Runnable, void (*)(log_t*), log_t*>(std::__invoke_other, Runnable&&, void (*&&)(log_t*), log_t*&&) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd9054f3>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd905516>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd905525>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#13 0x000000000478586e in std::__invoke<Runnable, void (*)(log_t*), log_t*>(Runnable&&, void (*&&)(log_t*), log_t*&&) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90571a>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90573d>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90574c>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#14 0x00000000047857a1 in std::thread::_Invoker<std::tuple<Runnable, void (*)(log_t*), log_t*> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fba2c8b3328) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#15 0x0000000004785740 in std::thread::_Invoker<std::tuple<Runnable, void (*)(log_t*), log_t*> >::operator() (this=0x7fba2c8b3328) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#16 0x0000000004785724 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)(log_t*), log_t*> > >::_M_run (this=0x7fba2c8b3320) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#17 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#18 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#19 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7fba18dfa700 (LWP 19206)):
#0  0x00007fba3ecab644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x00000000047c3b3b in LinuxAIOHandler::collect (this=0x7fba18df9960) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2333
#2  0x00000000047c408d in LinuxAIOHandler::poll (this=0x7fba18df9960, m1=0x7fba18df9a48, m2=0x7fba18df9a08, request=0x7fba18df9a10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2478
#3  0x00000000047c41f6 in os_aio_linux_handler (global_segment=8, m1=0x7fba18df9a48, m2=0x7fba18df9a08, request=0x7fba18df9a10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2527
#4  0x00000000047c9499 in os_aio_handler (segment=8, m1=0x7fba18df9a48, m2=0x7fba18df9a08, request=0x7fba18df9a10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:5967
#5  0x0000000004b1f2e9 in fil_aio_wait (segment=8) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/fil/fil0fil.cc:7717
#6  0x00000000048ecdfd in io_handler_thread (segment=8) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/srv/srv0start.cc:280
#7  0x0000000004905b76 in std::__invoke_impl<void, void (*&)(unsigned long), unsigned long&> (__f=@0x7fba18df9b80: 0x48ecda7 <io_handler_thread(ulint)>, __args#0=@0x7fba18df9b88: 8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#8  0x0000000004905add in std::__invoke<void (*&)(unsigned long), unsigned long&> (__fn=@0x7fba18df9b80: 0x48ecda7 <io_handler_thread(ulint)>, __args#0=@0x7fba18df9b88: 8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#9  0x0000000004905a3a in std::_Bind<void (*(unsigned long))(unsigned long)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fba18df9b80, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0416>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#10 0x0000000004905990 in std::_Bind<void (*(unsigned long))(unsigned long)>::operator()<, void>() (this=0x7fba18df9b80) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#11 0x00000000049058f3 in Runnable::operator()<void (*)(unsigned long), unsigned long>(void (*&&)(unsigned long), unsigned long&&) (this=0x7fba2c3fe248, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd072d>, args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0758>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#12 0x00000000049057e9 in std::__invoke_impl<void, Runnable, void (*)(unsigned long), unsigned long>(std::__invoke_other, Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd097e>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09a1>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09b0>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#13 0x0000000004905734 in std::__invoke<Runnable, void (*)(unsigned long), unsigned long>(Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0ced>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d10>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d1f>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#14 0x0000000004905667 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fba2c3fe238) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#15 0x0000000004905606 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::operator() (this=0x7fba2c3fe238) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#16 0x00000000049055ea in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> > >::_M_run (this=0x7fba2c3fe230) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#17 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#18 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#19 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7fb9f4dfa700 (LWP 19214)):
#0  0x00007fba3fe8aab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00000000047d74f9 in os_event::timed_wait (this=0x7fba2c4009d8, abstime=0x7fb9f4df97a0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:322
#2  0x00000000047d7a57 in os_event::wait_time_low (this=0x7fba2c4009d8, time_in_usec=64000, reset_sig_count=2) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:495
#3  0x00000000047d7c88 in os_event_wait_time_low (event=0x7fba2c4009d8, time_in_usec=64000, reset_sig_count=2) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0event.cc:594
#4  0x00000000047b89f9 in os_event_wait_for<log_write_notifier(log_t*)::<lambda(bool)> >(os_event_t &, uint64_t, uint64_t, <lambda(bool)>) (event=@0x7fb9f4df9948: 0x7fba2c4009d8, spins_limit=0, timeout=64000, condition=...) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0event.ic:138
#5  0x00000000047b81db in Log_thread_waiting::wait<log_write_notifier(log_t*)::<lambda(bool)> >(<lambda(bool)>) (this=0x7fb9f4df9940, stop_condition=...) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/log/log0write.cc:1045
#6  0x00000000047b5eba in log_write_notifier (log_ptr=0x7fba2c3ffec0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/log/log0write.cc:2386
#7  0x0000000004785d32 in std::__invoke_impl<void, void (*&)(log_t*), log_t*&> (__f=@0x7fb9f4df9b80: 0x47b5bbf <log_write_notifier(log_t*)>, __args#0=@0x7fb9f4df9b88: 0x7fba2c3ffec0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#8  0x0000000004785c8b in std::__invoke<void (*&)(log_t*), log_t*&> (__fn=@0x7fb9f4df9b80: 0x47b5bbf <log_write_notifier(log_t*)>, __args#0=@0x7fb9f4df9b88: 0x7fba2c3ffec0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#9  0x0000000004785b9c in std::_Bind<void (*(log_t*))(log_t*)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fb9f4df9b80, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd905192>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#10 0x0000000004785af2 in std::_Bind<void (*(log_t*))(log_t*)>::operator()<, void>() (this=0x7fb9f4df9b80) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#11 0x0000000004785a55 in Runnable::operator()<void (*)(log_t*), log_t*>(void (*&&)(log_t*), log_t*&&) (this=0x7fba2c8b3578, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90538d>, args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd9053b8>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#12 0x0000000004785931 in std::__invoke_impl<void, Runnable, void (*)(log_t*), log_t*>(std::__invoke_other, Runnable&&, void (*&&)(log_t*), log_t*&&) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd9054f3>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd905516>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd905525>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#13 0x000000000478586e in std::__invoke<Runnable, void (*)(log_t*), log_t*>(Runnable&&, void (*&&)(log_t*), log_t*&&) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90571a>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90573d>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xd8a8efa, DIE 0xd90574c>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#14 0x00000000047857a1 in std::thread::_Invoker<std::tuple<Runnable, void (*)(log_t*), log_t*> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fba2c8b3568) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#15 0x0000000004785740 in std::thread::_Invoker<std::tuple<Runnable, void (*)(log_t*), log_t*> >::operator() (this=0x7fba2c8b3568) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#16 0x0000000004785724 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)(log_t*), log_t*> > >::_M_run (this=0x7fba2c8b3560) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#17 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#18 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#19 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7fba30167700 (LWP 19239)):
#0  0x00007fba3fe8aab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000004565a6b in native_cond_timedwait (cond=0x99ec7b8, mutex=0x99ec9b8, abstime=0x7fba30166b20) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/include/thr_cond.h:100
#2  0x0000000004565dd7 in safe_cond_timedwait (cond=0x99ec7b8, mp=0x99ec990, abstime=0x7fba30166b20, file=0x66e4e68 "/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/src/helper/multithread/cond.cc", line=42) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/mysys/thr_cond.cc:113
#3  0x0000000004deab4e in my_cond_timedwait (cond=0x99ec7b8, mp=0x99ec788, abstime=0x7fba30166b20, file=0x66e4e68 "/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/src/helper/multithread/cond.cc", line=42) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/include/thr_cond.h:147
#4  0x0000000004dead2f in inline_mysql_cond_timedwait (that=0x99ec7b8, mutex=0x99ec788, abstime=0x7fba30166b20, src_file=0x66e4e68 "/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/src/helper/multithread/cond.cc", src_line=42) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/include/mysql/psi/mysql_cond.h:217
#5  0x0000000004deaeca in xpl::Cond::timed_wait (this=0x99ec7b8, mutex=..., nanoseconds=60000000000) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/src/helper/multithread/cond.cc:42
#6  0x0000000004e903c1 in ngs::Scheduler_dynamic::wait_if_idle_then_delete_worker (this=0x99ec760, thread_waiting_started=@0x7fba30166c18: 1581507854821) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/ngs/src/scheduler.cc:199
#7  0x0000000004e905e6 in ngs::Scheduler_dynamic::worker (this=0x99ec760) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/ngs/src/scheduler.cc:246
#8  0x0000000004e902ac in ngs::Scheduler_dynamic::worker_proxy (data=0x99ec760) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/plugin/x/ngs/src/scheduler.cc:171
#9  0x0000000004cfc883 in pfs_spawn_thread (arg=0x7fb9b0004fa0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/perfschema/pfs.cc:2854
#10 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#11 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7fba1b5fe700 (LWP 19202)):
#0  0x00007fba3ecab644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x00000000047c3b3b in LinuxAIOHandler::collect (this=0x7fba1b5fd960) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2333
#2  0x00000000047c408d in LinuxAIOHandler::poll (this=0x7fba1b5fd960, m1=0x7fba1b5fda48, m2=0x7fba1b5fda08, request=0x7fba1b5fda10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2478
#3  0x00000000047c41f6 in os_aio_linux_handler (global_segment=4, m1=0x7fba1b5fda48, m2=0x7fba1b5fda08, request=0x7fba1b5fda10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2527
#4  0x00000000047c9499 in os_aio_handler (segment=4, m1=0x7fba1b5fda48, m2=0x7fba1b5fda08, request=0x7fba1b5fda10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:5967
#5  0x0000000004b1f2e9 in fil_aio_wait (segment=4) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/fil/fil0fil.cc:7717
#6  0x00000000048ecdfd in io_handler_thread (segment=4) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/srv/srv0start.cc:280
#7  0x0000000004905b76 in std::__invoke_impl<void, void (*&)(unsigned long), unsigned long&> (__f=@0x7fba1b5fdb80: 0x48ecda7 <io_handler_thread(ulint)>, __args#0=@0x7fba1b5fdb88: 4) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#8  0x0000000004905add in std::__invoke<void (*&)(unsigned long), unsigned long&> (__fn=@0x7fba1b5fdb80: 0x48ecda7 <io_handler_thread(ulint)>, __args#0=@0x7fba1b5fdb88: 4) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#9  0x0000000004905a3a in std::_Bind<void (*(unsigned long))(unsigned long)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fba1b5fdb80, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0416>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#10 0x0000000004905990 in std::_Bind<void (*(unsigned long))(unsigned long)>::operator()<, void>() (this=0x7fba1b5fdb80) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#11 0x00000000049058f3 in Runnable::operator()<void (*)(unsigned long), unsigned long>(void (*&&)(unsigned long), unsigned long&&) (this=0x7fba2c3fd848, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd072d>, args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0758>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#12 0x00000000049057e9 in std::__invoke_impl<void, Runnable, void (*)(unsigned long), unsigned long>(std::__invoke_other, Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd097e>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09a1>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09b0>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#13 0x0000000004905734 in std::__invoke<Runnable, void (*)(unsigned long), unsigned long>(Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0ced>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d10>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d1f>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#14 0x0000000004905667 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fba2c3fd838) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#15 0x0000000004905606 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::operator() (this=0x7fba2c3fd838) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#16 0x00000000049055ea in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> > >::_M_run (this=0x7fba2c3fd830) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#17 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#18 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#19 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7fba29821700 (LWP 19199)):
#0  0x00007fba3ecab644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x00000000047c3b3b in LinuxAIOHandler::collect (this=0x7fba29820960) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2333
#2  0x00000000047c408d in LinuxAIOHandler::poll (this=0x7fba29820960, m1=0x7fba29820a48, m2=0x7fba29820a08, request=0x7fba29820a10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2478
#3  0x00000000047c41f6 in os_aio_linux_handler (global_segment=1, m1=0x7fba29820a48, m2=0x7fba29820a08, request=0x7fba29820a10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2527
#4  0x00000000047c9499 in os_aio_handler (segment=1, m1=0x7fba29820a48, m2=0x7fba29820a08, request=0x7fba29820a10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:5967
#5  0x0000000004b1f2e9 in fil_aio_wait (segment=1) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/fil/fil0fil.cc:7717
#6  0x00000000048ecdfd in io_handler_thread (segment=1) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/srv/srv0start.cc:280
#7  0x0000000004905b76 in std::__invoke_impl<void, void (*&)(unsigned long), unsigned long&> (__f=@0x7fba29820b80: 0x48ecda7 <io_handler_thread(ulint)>, __args#0=@0x7fba29820b88: 1) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#8  0x0000000004905add in std::__invoke<void (*&)(unsigned long), unsigned long&> (__fn=@0x7fba29820b80: 0x48ecda7 <io_handler_thread(ulint)>, __args#0=@0x7fba29820b88: 1) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#9  0x0000000004905a3a in std::_Bind<void (*(unsigned long))(unsigned long)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fba29820b80, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0416>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#10 0x0000000004905990 in std::_Bind<void (*(unsigned long))(unsigned long)>::operator()<, void>() (this=0x7fba29820b80) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#11 0x00000000049058f3 in Runnable::operator()<void (*)(unsigned long), unsigned long>(void (*&&)(unsigned long), unsigned long&&) (this=0x7fba2c3fd0c8, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd072d>, args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0758>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#12 0x00000000049057e9 in std::__invoke_impl<void, Runnable, void (*)(unsigned long), unsigned long>(std::__invoke_other, Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd097e>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09a1>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09b0>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#13 0x0000000004905734 in std::__invoke<Runnable, void (*)(unsigned long), unsigned long>(Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0ced>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d10>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d1f>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#14 0x0000000004905667 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fba2c3fd0b8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#15 0x0000000004905606 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::operator() (this=0x7fba2c3fd0b8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#16 0x00000000049055ea in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> > >::_M_run (this=0x7fba2c3fd0b0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#17 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#18 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#19 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7fba1bfff700 (LWP 19201)):
#0  0x00007fba3ecab644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x00000000047c3b3b in LinuxAIOHandler::collect (this=0x7fba1bffe960) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2333
#2  0x00000000047c408d in LinuxAIOHandler::poll (this=0x7fba1bffe960, m1=0x7fba1bffea48, m2=0x7fba1bffea08, request=0x7fba1bffea10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2478
#3  0x00000000047c41f6 in os_aio_linux_handler (global_segment=3, m1=0x7fba1bffea48, m2=0x7fba1bffea08, request=0x7fba1bffea10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2527
#4  0x00000000047c9499 in os_aio_handler (segment=3, m1=0x7fba1bffea48, m2=0x7fba1bffea08, request=0x7fba1bffea10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:5967
#5  0x0000000004b1f2e9 in fil_aio_wait (segment=3) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/fil/fil0fil.cc:7717
#6  0x00000000048ecdfd in io_handler_thread (segment=3) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/srv/srv0start.cc:280
#7  0x0000000004905b76 in std::__invoke_impl<void, void (*&)(unsigned long), unsigned long&> (__f=@0x7fba1bffeb80: 0x48ecda7 <io_handler_thread(ulint)>, __args#0=@0x7fba1bffeb88: 3) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#8  0x0000000004905add in std::__invoke<void (*&)(unsigned long), unsigned long&> (__fn=@0x7fba1bffeb80: 0x48ecda7 <io_handler_thread(ulint)>, __args#0=@0x7fba1bffeb88: 3) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#9  0x0000000004905a3a in std::_Bind<void (*(unsigned long))(unsigned long)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fba1bffeb80, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0416>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#10 0x0000000004905990 in std::_Bind<void (*(unsigned long))(unsigned long)>::operator()<, void>() (this=0x7fba1bffeb80) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#11 0x00000000049058f3 in Runnable::operator()<void (*)(unsigned long), unsigned long>(void (*&&)(unsigned long), unsigned long&&) (this=0x7fba2c3fd5c8, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd072d>, args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0758>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#12 0x00000000049057e9 in std::__invoke_impl<void, Runnable, void (*)(unsigned long), unsigned long>(std::__invoke_other, Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd097e>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09a1>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09b0>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#13 0x0000000004905734 in std::__invoke<Runnable, void (*)(unsigned long), unsigned long>(Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0ced>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d10>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d1f>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#14 0x0000000004905667 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fba2c3fd5b8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#15 0x0000000004905606 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::operator() (this=0x7fba2c3fd5b8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#16 0x00000000049055ea in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> > >::_M_run (this=0x7fba2c3fd5b0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#17 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#18 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#19 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7fba197fb700 (LWP 19205)):
#0  0x00007fba3ecab644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x00000000047c3b3b in LinuxAIOHandler::collect (this=0x7fba197fa960) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2333
#2  0x00000000047c408d in LinuxAIOHandler::poll (this=0x7fba197fa960, m1=0x7fba197faa48, m2=0x7fba197faa08, request=0x7fba197faa10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2478
#3  0x00000000047c41f6 in os_aio_linux_handler (global_segment=7, m1=0x7fba197faa48, m2=0x7fba197faa08, request=0x7fba197faa10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2527
#4  0x00000000047c9499 in os_aio_handler (segment=7, m1=0x7fba197faa48, m2=0x7fba197faa08, request=0x7fba197faa10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:5967
#5  0x0000000004b1f2e9 in fil_aio_wait (segment=7) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/fil/fil0fil.cc:7717
#6  0x00000000048ecdfd in io_handler_thread (segment=7) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/srv/srv0start.cc:280
#7  0x0000000004905b76 in std::__invoke_impl<void, void (*&)(unsigned long), unsigned long&> (__f=@0x7fba197fab80: 0x48ecda7 <io_handler_thread(ulint)>, __args#0=@0x7fba197fab88: 7) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#8  0x0000000004905add in std::__invoke<void (*&)(unsigned long), unsigned long&> (__fn=@0x7fba197fab80: 0x48ecda7 <io_handler_thread(ulint)>, __args#0=@0x7fba197fab88: 7) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#9  0x0000000004905a3a in std::_Bind<void (*(unsigned long))(unsigned long)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fba197fab80, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0416>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#10 0x0000000004905990 in std::_Bind<void (*(unsigned long))(unsigned long)>::operator()<, void>() (this=0x7fba197fab80) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#11 0x00000000049058f3 in Runnable::operator()<void (*)(unsigned long), unsigned long>(void (*&&)(unsigned long), unsigned long&&) (this=0x7fba2c3fdfc8, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd072d>, args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0758>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#12 0x00000000049057e9 in std::__invoke_impl<void, Runnable, void (*)(unsigned long), unsigned long>(std::__invoke_other, Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd097e>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09a1>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09b0>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#13 0x0000000004905734 in std::__invoke<Runnable, void (*)(unsigned long), unsigned long>(Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0ced>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d10>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d1f>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#14 0x0000000004905667 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fba2c3fdfb8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#15 0x0000000004905606 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::operator() (this=0x7fba2c3fdfb8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#16 0x00000000049055ea in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> > >::_M_run (this=0x7fba2c3fdfb0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#17 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#18 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#19 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7fba1a1fc700 (LWP 19204)):
#0  0x00007fba3ecab644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x00000000047c3b3b in LinuxAIOHandler::collect (this=0x7fba1a1fb960) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2333
#2  0x00000000047c408d in LinuxAIOHandler::poll (this=0x7fba1a1fb960, m1=0x7fba1a1fba48, m2=0x7fba1a1fba08, request=0x7fba1a1fba10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2478
#3  0x00000000047c41f6 in os_aio_linux_handler (global_segment=6, m1=0x7fba1a1fba48, m2=0x7fba1a1fba08, request=0x7fba1a1fba10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2527
#4  0x00000000047c9499 in os_aio_handler (segment=6, m1=0x7fba1a1fba48, m2=0x7fba1a1fba08, request=0x7fba1a1fba10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:5967
#5  0x0000000004b1f2e9 in fil_aio_wait (segment=6) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/fil/fil0fil.cc:7717
#6  0x00000000048ecdfd in io_handler_thread (segment=6) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/srv/srv0start.cc:280
#7  0x0000000004905b76 in std::__invoke_impl<void, void (*&)(unsigned long), unsigned long&> (__f=@0x7fba1a1fbb80: 0x48ecda7 <io_handler_thread(ulint)>, __args#0=@0x7fba1a1fbb88: 6) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#8  0x0000000004905add in std::__invoke<void (*&)(unsigned long), unsigned long&> (__fn=@0x7fba1a1fbb80: 0x48ecda7 <io_handler_thread(ulint)>, __args#0=@0x7fba1a1fbb88: 6) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#9  0x0000000004905a3a in std::_Bind<void (*(unsigned long))(unsigned long)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fba1a1fbb80, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0416>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#10 0x0000000004905990 in std::_Bind<void (*(unsigned long))(unsigned long)>::operator()<, void>() (this=0x7fba1a1fbb80) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#11 0x00000000049058f3 in Runnable::operator()<void (*)(unsigned long), unsigned long>(void (*&&)(unsigned long), unsigned long&&) (this=0x7fba2c3fdd48, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd072d>, args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0758>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#12 0x00000000049057e9 in std::__invoke_impl<void, Runnable, void (*)(unsigned long), unsigned long>(std::__invoke_other, Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd097e>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09a1>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09b0>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#13 0x0000000004905734 in std::__invoke<Runnable, void (*)(unsigned long), unsigned long>(Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0ced>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d10>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d1f>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#14 0x0000000004905667 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fba2c3fdd38) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#15 0x0000000004905606 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::operator() (this=0x7fba2c3fdd38) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#16 0x00000000049055ea in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> > >::_M_run (this=0x7fba2c3fdd30) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#17 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#18 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#19 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7fba1abfd700 (LWP 19203)):
#0  0x00007fba3ecab644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x00000000047c3b3b in LinuxAIOHandler::collect (this=0x7fba1abfc960) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2333
#2  0x00000000047c408d in LinuxAIOHandler::poll (this=0x7fba1abfc960, m1=0x7fba1abfca48, m2=0x7fba1abfca08, request=0x7fba1abfca10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2478
#3  0x00000000047c41f6 in os_aio_linux_handler (global_segment=5, m1=0x7fba1abfca48, m2=0x7fba1abfca08, request=0x7fba1abfca10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2527
#4  0x00000000047c9499 in os_aio_handler (segment=5, m1=0x7fba1abfca48, m2=0x7fba1abfca08, request=0x7fba1abfca10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:5967
#5  0x0000000004b1f2e9 in fil_aio_wait (segment=5) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/fil/fil0fil.cc:7717
#6  0x00000000048ecdfd in io_handler_thread (segment=5) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/srv/srv0start.cc:280
#7  0x0000000004905b76 in std::__invoke_impl<void, void (*&)(unsigned long), unsigned long&> (__f=@0x7fba1abfcb80: 0x48ecda7 <io_handler_thread(ulint)>, __args#0=@0x7fba1abfcb88: 5) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#8  0x0000000004905add in std::__invoke<void (*&)(unsigned long), unsigned long&> (__fn=@0x7fba1abfcb80: 0x48ecda7 <io_handler_thread(ulint)>, __args#0=@0x7fba1abfcb88: 5) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#9  0x0000000004905a3a in std::_Bind<void (*(unsigned long))(unsigned long)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fba1abfcb80, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0416>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#10 0x0000000004905990 in std::_Bind<void (*(unsigned long))(unsigned long)>::operator()<, void>() (this=0x7fba1abfcb80) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#11 0x00000000049058f3 in Runnable::operator()<void (*)(unsigned long), unsigned long>(void (*&&)(unsigned long), unsigned long&&) (this=0x7fba2c3fdac8, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd072d>, args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0758>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#12 0x00000000049057e9 in std::__invoke_impl<void, Runnable, void (*)(unsigned long), unsigned long>(std::__invoke_other, Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd097e>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09a1>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09b0>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#13 0x0000000004905734 in std::__invoke<Runnable, void (*)(unsigned long), unsigned long>(Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0ced>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d10>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d1f>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#14 0x0000000004905667 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fba2c3fdab8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#15 0x0000000004905606 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::operator() (this=0x7fba2c3fdab8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#16 0x00000000049055ea in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> > >::_M_run (this=0x7fba2c3fdab0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#17 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#18 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#19 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7fba28e20700 (LWP 19200)):
#0  0x00007fba3ecab644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x00000000047c3b3b in LinuxAIOHandler::collect (this=0x7fba28e1f960) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2333
#2  0x00000000047c408d in LinuxAIOHandler::poll (this=0x7fba28e1f960, m1=0x7fba28e1fa48, m2=0x7fba28e1fa08, request=0x7fba28e1fa10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2478
#3  0x00000000047c41f6 in os_aio_linux_handler (global_segment=2, m1=0x7fba28e1fa48, m2=0x7fba28e1fa08, request=0x7fba28e1fa10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2527
#4  0x00000000047c9499 in os_aio_handler (segment=2, m1=0x7fba28e1fa48, m2=0x7fba28e1fa08, request=0x7fba28e1fa10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:5967
#5  0x0000000004b1f2e9 in fil_aio_wait (segment=2) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/fil/fil0fil.cc:7717
#6  0x00000000048ecdfd in io_handler_thread (segment=2) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/srv/srv0start.cc:280
#7  0x0000000004905b76 in std::__invoke_impl<void, void (*&)(unsigned long), unsigned long&> (__f=@0x7fba28e1fb80: 0x48ecda7 <io_handler_thread(ulint)>, __args#0=@0x7fba28e1fb88: 2) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#8  0x0000000004905add in std::__invoke<void (*&)(unsigned long), unsigned long&> (__fn=@0x7fba28e1fb80: 0x48ecda7 <io_handler_thread(ulint)>, __args#0=@0x7fba28e1fb88: 2) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#9  0x0000000004905a3a in std::_Bind<void (*(unsigned long))(unsigned long)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fba28e1fb80, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0416>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#10 0x0000000004905990 in std::_Bind<void (*(unsigned long))(unsigned long)>::operator()<, void>() (this=0x7fba28e1fb80) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#11 0x00000000049058f3 in Runnable::operator()<void (*)(unsigned long), unsigned long>(void (*&&)(unsigned long), unsigned long&&) (this=0x7fba2c3fd348, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd072d>, args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0758>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#12 0x00000000049057e9 in std::__invoke_impl<void, Runnable, void (*)(unsigned long), unsigned long>(std::__invoke_other, Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd097e>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09a1>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09b0>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#13 0x0000000004905734 in std::__invoke<Runnable, void (*)(unsigned long), unsigned long>(Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0ced>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d10>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d1f>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#14 0x0000000004905667 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fba2c3fd338) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#15 0x0000000004905606 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::operator() (this=0x7fba2c3fd338) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#16 0x00000000049055ea in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> > >::_M_run (this=0x7fba2c3fd330) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#17 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#18 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#19 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fba2bfff700 (LWP 19198)):
#0  0x00007fba3ecab644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x00000000047c3b3b in LinuxAIOHandler::collect (this=0x7fba2bffe960) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2333
#2  0x00000000047c408d in LinuxAIOHandler::poll (this=0x7fba2bffe960, m1=0x7fba2bffea48, m2=0x7fba2bffea08, request=0x7fba2bffea10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2478
#3  0x00000000047c41f6 in os_aio_linux_handler (global_segment=0, m1=0x7fba2bffea48, m2=0x7fba2bffea08, request=0x7fba2bffea10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:2527
#4  0x00000000047c9499 in os_aio_handler (segment=0, m1=0x7fba2bffea48, m2=0x7fba2bffea08, request=0x7fba2bffea10) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/os/os0file.cc:5967
#5  0x0000000004b1f2e9 in fil_aio_wait (segment=0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/fil/fil0fil.cc:7717
#6  0x00000000048ecdfd in io_handler_thread (segment=0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/srv/srv0start.cc:280
#7  0x0000000004905b76 in std::__invoke_impl<void, void (*&)(unsigned long), unsigned long&> (__f=@0x7fba2bffeb80: 0x48ecda7 <io_handler_thread(ulint)>, __args#0=@0x7fba2bffeb88: 0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#8  0x0000000004905add in std::__invoke<void (*&)(unsigned long), unsigned long&> (__fn=@0x7fba2bffeb80: 0x48ecda7 <io_handler_thread(ulint)>, __args#0=@0x7fba2bffeb88: 0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#9  0x0000000004905a3a in std::_Bind<void (*(unsigned long))(unsigned long)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (this=0x7fba2bffeb80, __args=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0416>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:400
#10 0x0000000004905990 in std::_Bind<void (*(unsigned long))(unsigned long)>::operator()<, void>() (this=0x7fba2bffeb80) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/functional:484
#11 0x00000000049058f3 in Runnable::operator()<void (*)(unsigned long), unsigned long>(void (*&&)(unsigned long), unsigned long&&) (this=0x7fba2c3fd008, f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd072d>, args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0758>) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/include/os0thread-create.h:101
#12 0x00000000049057e9 in std::__invoke_impl<void, Runnable, void (*)(unsigned long), unsigned long>(std::__invoke_other, Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__f=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd097e>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09a1>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd09b0>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:60
#13 0x0000000004905734 in std::__invoke<Runnable, void (*)(unsigned long), unsigned long>(Runnable&&, void (*&&)(unsigned long), unsigned long&&) (__fn=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0ced>, __args#0=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d10>, __args#1=<unknown type in /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/runtime_output_directory/mysqld, CU 0xec03040, DIE 0xecd0d1f>) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/bits/invoke.h:95
#14 0x0000000004905667 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::_M_invoke<0ul, 1ul, 2ul> (this=0x7fba2c3fcff8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:244
#15 0x0000000004905606 in std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> >::operator() (this=0x7fba2c3fcff8) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:251
#16 0x00000000049055ea in std::thread::_State_impl<std::thread::_Invoker<std::tuple<Runnable, void (*)(unsigned long), unsigned long> > >::_M_run (this=0x7fba2c3fcff0) at /export/umesh/utils/gcc-9.2/include/c++/9.2.0/thread:195
#17 0x00007fba3e78e630 in execute_native_thread_routine () at ../../../.././libstdc++-v3/src/c++11/thread.cc:80
#18 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#19 0x00007fba3dee360d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fba4028d980 (LWP 19195)):
#0  0x00007fba3ded900d in poll () from /lib64/libc.so.6
#1  0x000000000327d967 in Mysqld_socket_listener::listen_for_connection_event (this=0x99a95e0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/conn_handler/socket_connection.cc:1351
#2  0x0000000002f2039c in Connection_acceptor<Mysqld_socket_listener>::connection_event_loop (this=0x9a04300) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/conn_handler/connection_acceptor.h:64
#3  0x0000000002f137fc in mysqld_main (argc=72, argv=0x9729cb0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/mysqld.cc:7092
#4  0x0000000002f02844 in main (argc=9, argv=0x7ffd7fca6248) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/main.cc:25

Thread 1 (Thread 0x7fba304e8700 (LWP 19238)):
#0  0x00007fba3fe8b771 in pthread_kill () from /lib64/libpthread.so.0
#1  0x0000000004564fe7 in my_write_core (sig=6) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/mysys/stacktrace.cc:306
#2  0x000000000328e210 in handle_fatal_signal (sig=6) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/signal_handler.cc:169
#3  <signal handler called>
#4  0x00007fba3de225d7 in raise () from /lib64/libc.so.6
#5  0x00007fba3de23cc8 in abort () from /lib64/libc.so.6
#6  0x00000000049786af in ut_dbg_assertion_failed (expr=0x65a2538 "space->encryption_op_in_progress == NONE", file=0x659fbe8 "/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/fsp/fsp0fsp.cc", line=4119) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/ut/ut0dbg.cc:98
#7  0x0000000004b5bd77 in fsp_alter_encrypt_tablespace (thd=0x7fb97c000da0, space_id=4, from_page=1, to_encrypt=true, in_recovery=false, dd_space_in=0x7fb97c0bbd18) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/fsp/fsp0fsp.cc:4119
#8  0x000000000466e03a in innobase_alter_encrypt_tablespace (hton=0x993d660, thd=0x7fb97c000da0, alter_info=0x7fba304e5240, old_dd_space=0x7fb97c0e6a78, new_dd_space=0x7fb97c0bbd18) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/handler/ha_innodb.cc:14879
#9  0x000000000466e417 in innodb_alter_tablespace (hton=0x993d660, thd=0x7fb97c000da0, alter_info=0x7fba304e5240, old_dd_space=0x7fb97c0e6a78, new_dd_space=0x7fb97c0bbd18) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/handler/ha_innodb.cc:14935
#10 0x000000000466ff7d in innobase_alter_tablespace (hton=0x993d660, thd=0x7fb97c000da0, alter_info=0x7fba304e5240, old_ts_def=0x7fb97c0e6a78, new_ts_def=0x7fb97c0bbd18) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/innobase/handler/ha_innodb.cc:15435
#11 0x00000000031a322b in Sql_cmd_alter_tablespace::execute (this=0x7fb97c0c09d8, thd=0x7fb97c000da0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/sql_tablespace.cc:969
#12 0x00000000030c3e3b in mysql_execute_command (thd=0x7fb97c000da0, first_level=true) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/sql_parse.cc:4478
#13 0x00000000030c6766 in mysql_parse (thd=0x7fb97c000da0, parser_state=0x7fba304e6b30) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/sql_parse.cc:5288
#14 0x00000000030bbedc in dispatch_command (thd=0x7fb97c000da0, com_data=0x7fba304e7bd0, command=COM_QUERY) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/sql_parse.cc:1777
#15 0x00000000030ba534 in do_command (thd=0x7fb97c000da0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/sql_parse.cc:1275
#16 0x0000000003279883 in handle_connection (arg=0x98f5f00) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/sql/conn_handler/connection_handler_per_thread.cc:302
#17 0x0000000004cfc883 in pfs_spawn_thread (arg=0x9a09cd0) at /export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/storage/perfschema/pfs.cc:2854
#18 0x00007fba3fe86df5 in start_thread () from /lib64/libpthread.so.0
#19 0x00007fba3dee360d in clone () from /lib64/libc.so.6

------------------------------------------------------------------------------
The servers were restarted 0 times
The servers were reinitialized 0 times
Spent 0.000 of 67 seconds executing testcases

Completed: Failed 1/1 tests, 0.00% were successful.

Failing test(s): main.t

The log files in var/log may give you some hint of what went wrong.

If you want to report this error, please read first the documentation
at http://dev.mysql.com/doc/mysql/en/mysql-test-suite.html

mysql-test-run: *** ERROR: there were failing test cases
[umshastr@hod03]/export/umesh/server/source/bugs/src_build/fb_builds/98564/mysql-8.0.19/mysql-test: