# Env
cmake --version
cmake version 2.8.12.2
gcc --version
gcc (GCC) 4.8.3 20140911 (Red Hat 4.8.3-9)
Copyright (C) 2013 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

cat /etc/*release
Oracle Linux Server release 7.1
NAME="Oracle Linux Server"
VERSION="7.1"
ID="ol"
VERSION_ID="7.1"
PRETTY_NAME="Oracle Linux Server 7.1"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:oracle:linux:7:1"
HOME_URL="https://linux.oracle.com/"
BUG_REPORT_URL="https://bugzilla.oracle.com/"

ORACLE_BUGZILLA_PRODUCT="Oracle Linux 7"
ORACLE_BUGZILLA_PRODUCT_VERSION=7.1
ORACLE_SUPPORT_PRODUCT="Oracle Linux"
ORACLE_SUPPORT_PRODUCT_VERSION=7.1
Red Hat Enterprise Linux Server release 7.1 (Maipo)
Oracle Linux Server release 7.1

# Source build details (I didn't observe any issue with binary tarball build and problem-ed test case)
cmake . -DCMAKE_BUILD_TYPE=RelWithDebInfo -DBUILD_CONFIG=mysql_release -DFEATURE_SET=community -DWITH_EMBEDDED_SERVER=OFF -DCMAKE_INSTALL_PREFIX=/export/umesh/server/source/bugs/src_build/8.0.12 -DWITH_BOOST=./boost -DDOWNLOAD_BOOST=1
make -j32 
make install
cd /export/umesh/server/source/bugs/src_build/8.0.12/mysql-test

./mtr innodb.innodb
Logging: ./mtr  innodb.innodb
MySQL Version 8.0.12
Checking supported features...
 - SSL connections supported
Collecting tests...
Removing old var directory...
Creating var directory '/export/umesh/server/source/bugs/src_build/8.0.12/mysql-test/var'...
Installing system database...
Using parallel: 1

==============================================================================

TEST                                      RESULT   TIME (ms) or COMMENT
--------------------------------------------------------------------------

worker[1] Using MTR_BUILD_THREAD 300, with reserved ports 13000..13009
innodb.innodb                            [ fail ]
        Test ended at 2018-07-30 06:51:08

CURRENT_TEST: innodb.innodb
mysqltest: At line 1072: query 'delete from t1 where id=0' failed: 2013: Lost connection to MySQL server during query

The result from queries just before the failure was:
< snip >
c0 INT PRIMARY KEY,
c1 VARCHAR(8) UNIQUE,
FOREIGN KEY (c1) REFERENCES t1 (c1) ON UPDATE CASCADE
) ENGINE=InnoDB;
INSERT INTO t1 VALUES ('old', 'somevalu'), ('other', 'anyvalue');
INSERT INTO t2 VALUES (10, 'old'), (20, 'other');
UPDATE t1 SET c1 = 'other' WHERE c1 = 'old';
ERROR 23000: Foreign key constraint for table 't1', record 'other-somevalu' would lead to a duplicate entry in table 't2', key 'c1'
DROP TABLE t2,t1;
call mtr.add_suppression("Cannot delete/update rows with cascading foreign key constraints that exceed max depth of 15. Please drop excessive foreign constraints and try again");
create table t1(
id int primary key,
pid int,
index(pid),
foreign key(pid) references t1(id) on delete cascade) engine=innodb;
insert into t1 values(0,0),(1,0),(2,1),(3,2),(4,3),(5,4),(6,5),(7,6),
(8,7),(9,8),(10,9),(11,10),(12,11),(13,12),(14,13),(15,14);
delete from t1 where id=0;
ERROR HY000: Foreign key cascade delete/update exceeds max depth of 15.
delete from t1 where id=15;
safe_process[21481]: Child process: 21482, exit: 1


Server [mysqld.1 - pid: 21440, winpid: 21440, exit: 256] failed during test run
Server log from this test:
----------SERVER LOG START-----------
2018-07-30T04:51:06.198191Z 0 [Warning] [MY-010099] [Server] Insecure configuration for --secure-file-priv: Data directory is accessible through --secure-file-priv. Consider choosing a different directory.
2018-07-30T04:51:06.198558Z 0 [Warning] [MY-010101] [Server] Insecure configuration for --secure-file-priv: Location is accessible to all OS users. Consider choosing a different directory.
2018-07-30T04:51:06.199191Z 0 [System] [MY-010116] [Server] /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld (mysqld 8.0.12) starting as process 21441
2018-07-30T04:51:06.670873Z 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: 2b6c2a2b-93b4-11e8-bdc5-0010e05f3e06.
2018-07-30T04:51:06.679762Z 0 [Warning] [MY-010068] [Server] CA certificate /export/umesh/server/source/bugs/src_build/8.0.12/mysql-test/std_data/cacert.pem is self signed.
2018-07-30T04:51:06.683348Z 0 [Warning] [MY-011071] [Server] unknown variable 'loose-debug-sync-timeout=600'
2018-07-30T04:51:06.704879Z 0 [System] [MY-010931] [Server] /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld: ready for connections. Version: '8.0.12'  socket: '/export/umesh/server/source/bugs/src_build/8.0.12/mysql-test/var/tmp/mysqld.1.sock'  port: 13000  MySQL Community Server (GPL).
2018-07-30T04:51:08.032244Z 8 [ERROR] [MY-012799] [InnoDB] InnoDB: Cannot delete/update rows with cascading foreign key constraints that exceed max depth of 15. Please drop excessive foreign constraints and try again
safe_process[21440]: Child process: 21441, killed by signal: 11
----------SERVER LOG END-------------


 - the logfile can be found in '/export/umesh/server/source/bugs/src_build/8.0.12/mysql-test/var/log/innodb.innodb/innodb.log'
 - found 'core.21441' (0/5)

Trying 'dbx' to get a backtrace

Trying 'gdb' to get a backtrace
Core generated by '/export/umesh/server/source/bugs/src_build/8.0.12/bin/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 21480]
[New LWP 21448]
[New LWP 21446]
[New LWP 21444]
[New LWP 21441]
[New LWP 21449]
[New LWP 21447]
[New LWP 21450]
[New LWP 21451]
[New LWP 21453]
[New LWP 21455]
[New LWP 21461]
[New LWP 21452]
[New LWP 21456]
[New LWP 21460]
[New LWP 21474]
[New LWP 21471]
[New LWP 21454]
[New LWP 21445]
[New LWP 21473]
[New LWP 21466]
[New LWP 21462]
[New LWP 21477]
[New LWP 21464]
[New LWP 21457]
[New LWP 21468]
[New LWP 21463]
[New LWP 21459]
[New LWP 21472]
[New LWP 21476]
[New LWP 21475]
[New LWP 21465]
[New LWP 21458]
[New LWP 21467]
[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/8.0.12/bin/mysqld --defaults-group-s'.
Program terminated with signal 11, Segmentation fault.
#0  ut_list_append<ut_list_base<dyn_buf_t<512ul>::block_t, ut_list_node<dyn_buf_t<512ul>::block_t> dyn_buf_t<512ul>::block_t::*>, GenericGetNode<dyn_buf_t<512ul>::block_t> > (get_node=..., elem=<optimized out>, list=...) at include/ut0lst.h:192
192     include/ut0lst.h: No such file or directory.
#0  ut_list_append<ut_list_base<dyn_buf_t<512ul>::block_t, ut_list_node<dyn_buf_t<512ul>::block_t> dyn_buf_t<512ul>::block_t::*>, GenericGetNode<dyn_buf_t<512ul>::block_t> > (get_node=..., elem=<optimized out>, list=...) at include/ut0lst.h:192
#1  ut_list_append<ut_list_base<dyn_buf_t<512ul>::block_t, ut_list_node<dyn_buf_t<512ul>::block_t> dyn_buf_t<512ul>::block_t::*> > (elem=<optimized out>, list=...) at include/ut0lst.h:206
#2  push_back (block=<optimized out>, this=<optimized out>) at include/dyn0buf.h:355
#3  dyn_buf_t (this=0x7f29dc4edcf0) at include/dyn0buf.h:164
#4  Impl (this=0x7f29dc4edcf0) at include/mtr0mtr.h:166
#5  mtr_t (this=0x7f29dc4edcf0) at include/mtr0mtr.h:205
#6  row_upd_sec_index_entry (node=node@entry=0x7f299c4475e8, thr=thr@entry=0x7f299c475950) at row/row0upd.cc:1968
#7  0x0000000001ddd8e1 in row_upd_sec_step (thr=0x7f299c475950, node=0x7f299c4475e8) at row/row0upd.cc:2200
#8  row_upd (thr=0x7f299c475950, node=0x7f299c4475e8) at row/row0upd.cc:2912
#9  row_upd_step (thr=thr@entry=0x7f299c475950) at row/row0upd.cc:3017
#10 0x0000000001daf925 in row_update_cascade_for_mysql (thr=thr@entry=0x7f299c475950, node=node@entry=0x7f299c4475e8, table=0x7f299c460c68) at row/row0mysql.cc:2503
#11 0x0000000001da0462 in row_ins_foreign_check_on_constraint (mtr=0x7f29dc4f3010, entry=<optimized out>, pcur=0x7f29dc4f24b0, foreign=<optimized out>, thr=0x7f299c475950) at row/row0ins.cc:1252
#12 row_ins_check_foreign_constraint (check_ref=check_ref@entry=0, foreign=<optimized out>, table=table@entry=0x7f299c460c68, entry=entry@entry=0x7f299c16d498, thr=thr@entry=0x7f299c475950) at row/row0ins.cc:1611
#13 0x0000000001dd60b3 in row_upd_check_references_constraints (node=node@entry=0x7f299c069028, pcur=pcur@entry=0x7f299c069338, table=0x7f299c460c68, index=index@entry=0x7f299c45e858, offsets=offsets@entry=0x7f29dc4f96a0, thr=thr@entry=0x7f299c475950, mtr=mtr@entry=0x7f29dc4f99c0) at row/row0upd.cc:256
#14 0x0000000001ddbeaf in row_upd_check_references_constraints (mtr=0x7f29dc4f99c0, thr=0x7f299c475950, offsets=0x7f29dc4f96a0, index=0x7f299c45e858, table=<optimized out>, pcur=0x7f299c069338, node=0x7f299c069028) at row/row0upd.cc:203
#15 row_upd_del_mark_clust_rec (mtr=0x7f29dc4f99c0, referenced=1, thr=0x7f299c475950, offsets=0x7f29dc4f96a0, index=0x7f299c45e858, node=0x7f299c069028, flags=0) at row/row0upd.cc:2674
#16 row_upd_clust_step (node=node@entry=0x7f299c069028, thr=thr@entry=0x7f299c475950) at row/row0upd.cc:2779
#17 0x0000000001ddd7d5 in row_upd (thr=0x7f299c475950, node=0x7f299c069028) at row/row0upd.cc:2887
#18 row_upd_step (thr=thr@entry=0x7f299c475950) at row/row0upd.cc:3017
#19 0x0000000001daf925 in row_update_cascade_for_mysql (thr=thr@entry=0x7f299c475950, node=node@entry=0x7f299c069028, table=0x7f299c460c68) at row/row0mysql.cc:2503
#20 0x0000000001da0462 in row_ins_foreign_check_on_constraint (mtr=0x7f29dc4face0, entry=<optimized out>, pcur=0x7f29dc4fa180, foreign=<optimized out>, thr=0x7f299c475950) at row/row0ins.cc:1252
#21 row_ins_check_foreign_constraint (check_ref=check_ref@entry=0, foreign=<optimized out>, table=table@entry=0x7f299c460c68, entry=entry@entry=0x7f299c44a6b8, thr=thr@entry=0x7f299c475950) at row/row0ins.cc:1611
#22 0x0000000001dd60b3 in row_upd_check_references_constraints (node=node@entry=0x7f299c068048, pcur=pcur@entry=0x7f299c068358, table=0x7f299c460c68, index=index@entry=0x7f299c45e858, offsets=offsets@entry=0x7f29dc501370, thr=thr@entry=0x7f299c475950, mtr=mtr@entry=0x7f29dc501690) at row/row0upd.cc:256
#23 0x0000000001ddbeaf in row_upd_check_references_constraints (mtr=0x7f29dc501690, thr=0x7f299c475950, offsets=0x7f29dc501370, index=0x7f299c45e858, table=<optimized out>, pcur=0x7f299c068358, node=0x7f299c068048) at row/row0upd.cc:203
#24 row_upd_del_mark_clust_rec (mtr=0x7f29dc501690, referenced=1, thr=0x7f299c475950, offsets=0x7f29dc501370, index=0x7f299c45e858, node=0x7f299c068048, flags=0) at row/row0upd.cc:2674
#25 row_upd_clust_step (node=node@entry=0x7f299c068048, thr=thr@entry=0x7f299c475950) at row/row0upd.cc:2779
#26 0x0000000001ddd7d5 in row_upd (thr=0x7f299c475950, node=0x7f299c068048) at row/row0upd.cc:2887
#27 row_upd_step (thr=thr@entry=0x7f299c475950) at row/row0upd.cc:3017
#28 0x0000000001daf925 in row_update_cascade_for_mysql (thr=thr@entry=0x7f299c475950, node=node@entry=0x7f299c068048, table=0x7f299c460c68) at row/row0mysql.cc:2503
#29 0x0000000001da0462 in row_ins_foreign_check_on_constraint (mtr=0x7f29dc5029b0, entry=<optimized out>, pcur=0x7f29dc501e50, foreign=<optimized out>, thr=0x7f299c475950) at row/row0ins.cc:1252
#30 row_ins_check_foreign_constraint (check_ref=check_ref@entry=0, foreign=<optimized out>, table=table@entry=0x7f299c460c68, entry=entry@entry=0x7f299c44c998, thr=thr@entry=0x7f299c475950) at row/row0ins.cc:1611
#31 0x0000000001dd60b3 in row_upd_check_references_constraints (node=node@entry=0x7f299c45ceb8, pcur=pcur@entry=0x7f299c45d1c8, table=0x7f299c460c68, index=index@entry=0x7f299c45e858, offsets=offsets@entry=0x7f29dc509040, thr=thr@entry=0x7f299c475950, mtr=mtr@entry=0x7f29dc509360) at row/row0upd.cc:256
#32 0x0000000001ddbeaf in row_upd_check_references_constraints (mtr=0x7f29dc509360, thr=0x7f299c475950, offsets=0x7f29dc509040, index=0x7f299c45e858, table=<optimized out>, pcur=0x7f299c45d1c8, node=0x7f299c45ceb8) at row/row0upd.cc:203
#33 row_upd_del_mark_clust_rec (mtr=0x7f29dc509360, referenced=1, thr=0x7f299c475950, offsets=0x7f29dc509040, index=0x7f299c45e858, node=0x7f299c45ceb8, flags=0) at row/row0upd.cc:2674
#34 row_upd_clust_step (node=node@entry=0x7f299c45ceb8, thr=thr@entry=0x7f299c475950) at row/row0upd.cc:2779
#35 0x0000000001ddd7d5 in row_upd (thr=0x7f299c475950, node=0x7f299c45ceb8) at row/row0upd.cc:2887
#36 row_upd_step (thr=thr@entry=0x7f299c475950) at row/row0upd.cc:3017
#37 0x0000000001daf925 in row_update_cascade_for_mysql (thr=thr@entry=0x7f299c475950, node=node@entry=0x7f299c45ceb8, table=0x7f299c460c68) at row/row0mysql.cc:2503
#38 0x0000000001da0462 in row_ins_foreign_check_on_constraint (mtr=0x7f29dc50a680, entry=<optimized out>, pcur=0x7f29dc509b20, foreign=<optimized out>, thr=0x7f299c475950) at row/row0ins.cc:1252
#39 row_ins_check_foreign_constraint (check_ref=check_ref@entry=0, foreign=<optimized out>, table=table@entry=0x7f299c460c68, entry=entry@entry=0x7f299c44b828, thr=thr@entry=0x7f299c475950) at row/row0ins.cc:1611
#40 0x0000000001dd60b3 in row_upd_check_references_constraints (node=node@entry=0x7f299c06d418, pcur=pcur@entry=0x7f299c06d728, table=0x7f299c460c68, index=index@entry=0x7f299c45e858, offsets=offsets@entry=0x7f29dc510d10, thr=thr@entry=0x7f299c475950, mtr=mtr@entry=0x7f29dc511030) at row/row0upd.cc:256
#41 0x0000000001ddbeaf in row_upd_check_references_constraints (mtr=0x7f29dc511030, thr=0x7f299c475950, offsets=0x7f29dc510d10, index=0x7f299c45e858, table=<optimized out>, pcur=0x7f299c06d728, node=0x7f299c06d418) at row/row0upd.cc:203
#42 row_upd_del_mark_clust_rec (mtr=0x7f29dc511030, referenced=1, thr=0x7f299c475950, offsets=0x7f29dc510d10, index=0x7f299c45e858, node=0x7f299c06d418, flags=0) at row/row0upd.cc:2674
#43 row_upd_clust_step (node=node@entry=0x7f299c06d418, thr=thr@entry=0x7f299c475950) at row/row0upd.cc:2779
#44 0x0000000001ddd7d5 in row_upd (thr=0x7f299c475950, node=0x7f299c06d418) at row/row0upd.cc:2887
#45 row_upd_step (thr=thr@entry=0x7f299c475950) at row/row0upd.cc:3017
#46 0x0000000001daf925 in row_update_cascade_for_mysql (thr=thr@entry=0x7f299c475950, node=node@entry=0x7f299c06d418, table=0x7f299c460c68) at row/row0mysql.cc:2503
#47 0x0000000001da0462 in row_ins_foreign_check_on_constraint (mtr=0x7f29dc512350, entry=<optimized out>, pcur=0x7f29dc5117f0, foreign=<optimized out>, thr=0x7f299c475950) at row/row0ins.cc:1252
#48 row_ins_check_foreign_constraint (check_ref=check_ref@entry=0, foreign=<optimized out>, table=table@entry=0x7f299c460c68, entry=entry@entry=0x7f299c44ec78, thr=thr@entry=0x7f299c475950) at row/row0ins.cc:1611
#49 0x0000000001dd60b3 in row_upd_check_references_constraints (node=node@entry=0x7f299c06c438, pcur=pcur@entry=0x7f299c06c748, table=0x7f299c460c68, index=index@entry=0x7f299c45e858, offsets=offsets@entry=0x7f29dc5189e0, thr=thr@entry=0x7f299c475950, mtr=mtr@entry=0x7f29dc518d00) at row/row0upd.cc:256
#50 0x0000000001ddbeaf in row_upd_check_references_constraints (mtr=0x7f29dc518d00, thr=0x7f299c475950, offsets=0x7f29dc5189e0, index=0x7f299c45e858, table=<optimized out>, pcur=0x7f299c06c748, node=0x7f299c06c438) at row/row0upd.cc:203
#51 row_upd_del_mark_clust_rec (mtr=0x7f29dc518d00, referenced=1, thr=0x7f299c475950, offsets=0x7f29dc5189e0, index=0x7f299c45e858, node=0x7f299c06c438, flags=0) at row/row0upd.cc:2674
#52 row_upd_clust_step (node=node@entry=0x7f299c06c438, thr=thr@entry=0x7f299c475950) at row/row0upd.cc:2779
#53 0x0000000001ddd7d5 in row_upd (thr=0x7f299c475950, node=0x7f299c06c438) at row/row0upd.cc:2887
#54 row_upd_step (thr=thr@entry=0x7f299c475950) at row/row0upd.cc:3017
#55 0x0000000001daf925 in row_update_cascade_for_mysql (thr=thr@entry=0x7f299c475950, node=node@entry=0x7f299c06c438, table=0x7f299c460c68) at row/row0mysql.cc:2503
#56 0x0000000001da0462 in row_ins_foreign_check_on_constraint (mtr=0x7f29dc51a020, entry=<optimized out>, pcur=0x7f29dc5194c0, foreign=<optimized out>, thr=0x7f299c475950) at row/row0ins.cc:1252
#57 row_ins_check_foreign_constraint (check_ref=check_ref@entry=0, foreign=<optimized out>, table=table@entry=0x7f299c460c68, entry=entry@entry=0x7f299c45cb38, thr=thr@entry=0x7f299c475950) at row/row0ins.cc:1611
#58 0x0000000001dd60b3 in row_upd_check_references_constraints (node=node@entry=0x7f299c45f5a8, pcur=pcur@entry=0x7f299c45f7a8, table=0x7f299c460c68, index=index@entry=0x7f299c45e858, offsets=offsets@entry=0x7f29dc5206b0, thr=thr@entry=0x7f299c475950, mtr=mtr@entry=0x7f29dc5209d0) at row/row0upd.cc:256
#59 0x0000000001ddbeaf in row_upd_check_references_constraints (mtr=0x7f29dc5209d0, thr=0x7f299c475950, offsets=0x7f29dc5206b0, index=0x7f299c45e858, table=<optimized out>, pcur=0x7f299c45f7a8, node=0x7f299c45f5a8) at row/row0upd.cc:203
#60 row_upd_del_mark_clust_rec (mtr=0x7f29dc5209d0, referenced=1, thr=0x7f299c475950, offsets=0x7f29dc5206b0, index=0x7f299c45e858, node=0x7f299c45f5a8, flags=0) at row/row0upd.cc:2674
#61 row_upd_clust_step (node=node@entry=0x7f299c45f5a8, thr=thr@entry=0x7f299c475950) at row/row0upd.cc:2779
#62 0x0000000001ddd7d5 in row_upd (thr=0x7f299c475950, node=0x7f299c45f5a8) at row/row0upd.cc:2887
#63 row_upd_step (thr=thr@entry=0x7f299c475950) at row/row0upd.cc:3017
#64 0x0000000001daf925 in row_update_cascade_for_mysql (thr=thr@entry=0x7f299c475950, node=node@entry=0x7f299c45f5a8, table=0x7f299c460c68) at row/row0mysql.cc:2503
#65 0x0000000001da0462 in row_ins_foreign_check_on_constraint (mtr=0x7f29dc521cf0, entry=<optimized out>, pcur=0x7f29dc521190, foreign=<optimized out>, thr=0x7f299c475950) at row/row0ins.cc:1252
#66 row_ins_check_foreign_constraint (check_ref=check_ref@entry=0, foreign=<optimized out>, table=table@entry=0x7f299c460c68, entry=entry@entry=0x7f299c068ca8, thr=thr@entry=0x7f299c475950) at row/row0ins.cc:1611
#67 0x0000000001dd60b3 in row_upd_check_references_constraints (node=node@entry=0x7f299c475aa8, pcur=pcur@entry=0x7f299c475ca8, table=0x7f299c460c68, index=index@entry=0x7f299c45e858, offsets=offsets@entry=0x7f29dc528380, thr=thr@entry=0x7f299c475950, mtr=mtr@entry=0x7f29dc5286a0) at row/row0upd.cc:256
#68 0x0000000001ddbeaf in row_upd_check_references_constraints (mtr=0x7f29dc5286a0, thr=0x7f299c475950, offsets=0x7f29dc528380, index=0x7f299c45e858, table=<optimized out>, pcur=0x7f299c475ca8, node=0x7f299c475aa8) at row/row0upd.cc:203
#69 row_upd_del_mark_clust_rec (mtr=0x7f29dc5286a0, referenced=1, thr=0x7f299c475950, offsets=0x7f29dc528380, index=0x7f299c45e858, node=0x7f299c475aa8, flags=0) at row/row0upd.cc:2674
#70 row_upd_clust_step (node=node@entry=0x7f299c475aa8, thr=thr@entry=0x7f299c475950) at row/row0upd.cc:2779
#71 0x0000000001ddd7d5 in row_upd (thr=0x7f299c475950, node=0x7f299c475aa8) at row/row0upd.cc:2887
#72 row_upd_step (thr=thr@entry=0x7f299c475950) at row/row0upd.cc:3017
#73 0x0000000001daf925 in row_update_cascade_for_mysql (thr=thr@entry=0x7f299c475950, node=node@entry=0x7f299c475aa8, table=0x7f299c460c68) at row/row0mysql.cc:2503
#74 0x0000000001da0462 in row_ins_foreign_check_on_constraint (mtr=0x7f29dc5299c0, entry=<optimized out>, pcur=0x7f29dc528e60, foreign=<optimized out>, thr=0x7f299c475950) at row/row0ins.cc:1252
#75 row_ins_check_foreign_constraint (check_ref=check_ref@entry=0, foreign=<optimized out>, table=table@entry=0x7f299c460c68, entry=entry@entry=0x7f299c4483d8, thr=thr@entry=0x7f299c475950) at row/row0ins.cc:1611
#76 0x0000000001dd60b3 in row_upd_check_references_constraints (node=node@entry=0x7f299c475490, pcur=pcur@entry=0x7f299c182168, table=0x7f299c460c68, index=index@entry=0x7f299c45e858, offsets=offsets@entry=0x7f29dc530050, thr=thr@entry=0x7f299c475950, mtr=mtr@entry=0x7f29dc530370) at row/row0upd.cc:256
#77 0x0000000001ddbeaf in row_upd_check_references_constraints (mtr=0x7f29dc530370, thr=0x7f299c475950, offsets=0x7f29dc530050, index=0x7f299c45e858, table=<optimized out>, pcur=0x7f299c182168, node=0x7f299c475490) at row/row0upd.cc:203
#78 row_upd_del_mark_clust_rec (mtr=0x7f29dc530370, referenced=1, thr=0x7f299c475950, offsets=0x7f29dc530050, index=0x7f299c45e858, node=0x7f299c475490, flags=0) at row/row0upd.cc:2674
#79 row_upd_clust_step (node=node@entry=0x7f299c475490, thr=thr@entry=0x7f299c475950) at row/row0upd.cc:2779
#80 0x0000000001ddd7d5 in row_upd (thr=0x7f299c475950, node=0x7f299c475490) at row/row0upd.cc:2887
#81 row_upd_step (thr=thr@entry=0x7f299c475950) at row/row0upd.cc:3017
#82 0x0000000001db38a4 in row_update_for_mysql_using_upd_graph (prebuilt=prebuilt@entry=0x7f299c474948, mysql_rec=0x7f299c1848c8 <incomplete sequence \375>) at row/row0mysql.cc:2240
#83 0x0000000001db63fa in row_update_for_mysql (mysql_rec=mysql_rec@entry=0x7f299c1848c8 <incomplete sequence \375>, prebuilt=prebuilt@entry=0x7f299c474948) at row/row0mysql.cc:2328
#84 0x0000000001ca4a6e in ha_innobase::delete_row (this=0x7f299c459c28, record=<optimized out>) at handler/ha_innodb.cc:8321
#85 0x0000000000e944cb in handler::ha_delete_row (this=0x7f299c459c28, buf=0x7f299c1848c8 <incomplete sequence \375>) at handler.cc:7535
#86 0x0000000000c55832 in Sql_cmd_delete::delete_from_single_table (this=<optimized out>, thd=0x7f299c01b270) at sql_delete.cc:497
#87 0x0000000000cd1f4f in Sql_cmd_dml::execute (this=0x7f299c472e40, thd=0x7f299c01b270) at sql_select.cc:554
#88 0x0000000000c84a25 in mysql_execute_command (thd=thd@entry=0x7f299c01b270, first_level=first_level@entry=true) at sql_parse.cc:4210
#89 0x0000000000c89c90 in mysql_parse (thd=thd@entry=0x7f299c01b270, parser_state=parser_state@entry=0x7f29dc532500) at sql_parse.cc:4925
#90 0x0000000000c8af91 in dispatch_command (thd=thd@entry=0x7f299c01b270, com_data=com_data@entry=0x7f29dc532c00, command=COM_QUERY) at sql_parse.cc:1607
#91 0x0000000000c8d870 in do_command (thd=thd@entry=0x7f299c01b270) at sql_parse.cc:1232
#92 0x0000000000d84188 in handle_connection (arg=arg@entry=0x5648360) at conn_handler/connection_handler_per_thread.cc:308
#93 0x00000000020256b0 in pfs_spawn_thread (arg=0x565a270) at pfs.cc:2836
#94 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#95 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 34 (Thread 0x7f29c1127700 (LWP 21467)):
#0  0x00007f29eabc0ab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000001d5b455 in os_event::timed_wait (this=this@entry=0x7f29d87fb728, abstime=abstime@entry=0x7f29c1126bc0) at os/os0event.cc:287
#2  0x0000000001d5b601 in os_event::wait_time_low (this=0x7f29d87fb728, time_in_usec=time_in_usec@entry=10000000, reset_sig_count=62, reset_sig_count@entry=0) at os/os0event.cc:410
#3  0x0000000001d5b6ca in os_event_wait_time_low (event=<optimized out>, time_in_usec=time_in_usec@entry=10000000, reset_sig_count=reset_sig_count@entry=0) at os/os0event.cc:499
#4  0x0000000001f22942 in dict_stats_thread () at dict/dict0stats_bg.cc:380
#5  0x0000000001d2f603 in __call<void> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#6  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#7  operator()<void (*)()> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x119cb604, DIE 0x11a7ca69>, this=0x7f29d8620fc8) at include/os0thread-create.h:92
#8  _M_invoke<0ul> (this=0x7f29d8620fc0) at /usr/include/c++/4.8.2/functional:1732
#9  operator() (this=0x7f29d8620fc0) at /usr/include/c++/4.8.2/functional:1720
#10 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)())> >::_M_run() (this=0x7f29d8620fa8) at /usr/include/c++/4.8.2/thread:115
#11 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#12 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 33 (Thread 0x7f29c71f2700 (LWP 21458)):
#0  0x00007f29eabc387d in fsync () from /lib64/libpthread.so.0
#1  0x0000000001d4f2ae in os_file_fsync_posix (file=4) at os/os0file.cc:2811
#2  os_file_flush_func (file=file@entry=4) at os/os0file.cc:2921
#3  0x0000000001f3dd9b in pfs_os_file_flush_func (src_file=0x2275c80 "fil/fil0fil.cc", src_line=7433, file=...) at include/os0file.ic:495
#4  Fil_shard::redo_space_flush (this=this@entry=0x7f29d82e0808) at fil/fil0fil.cc:7433
#5  0x0000000001f3e3da in Fil_shard::flush_file_redo (this=0x7f29d82e0808) at fil/fil0fil.cc:7606
#6  0x0000000001f3e434 in Fil_system::flush_file_redo (this=<optimized out>) at fil/fil0fil.cc:7642
#7  0x0000000001f3e451 in fil_flush_file_redo () at fil/fil0fil.cc:7663
#8  0x0000000001d3c7ce in log_flush_low (log=...) at log/log0write.cc:1858
#9  0x0000000001d438b8 in operator() (wait=<optimized out>, __closure=<synthetic pointer>) at log/log0write.cc:1916
#10 os_event_wait_for<log_flusher(log_t*)::__lambda12> (condition=..., timeout=<optimized out>, spins_limit=<optimized out>, event=@0x7f29d840ae40: 0x7f29d840b428) at include/os0event.ic:73
#11 log_flusher (log_ptr=0x7f29d840aac0) at log/log0write.cc:1973
#12 0x0000000001d26928 in __call<void, 0ul> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#13 operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#14 operator()<void (*)(log_t*), log_t*> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x119513fc, DIE 0x119ae550>, this=0x7f29d84daac0) at include/os0thread-create.h:92
#15 _M_invoke<0ul, 1ul> (this=0x7f29d84daab0) at /usr/include/c++/4.8.2/functional:1732
#16 operator() (this=0x7f29d84daab0) at /usr/include/c++/4.8.2/functional:1720
#17 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)(log_t*), log_t*)> >::_M_run() (this=0x7f29d84daa98) at /usr/include/c++/4.8.2/thread:115
#18 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#19 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#20 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 32 (Thread 0x7f29c2529700 (LWP 21465)):
#0  0x00007f29e8fef91d in nanosleep () from /lib64/libc.so.6
#1  0x00007f29e8fef7b4 in sleep () from /lib64/libc.so.6
#2  0x00007f29e98be029 in std::this_thread::__sleep_for(std::chrono::duration<long, std::ratio<1l, 1l> >, std::chrono::duration<long, std::ratio<1l, 1000000000l> >) () from /lib64/libstdc++.so.6
#3  0x0000000001deebdc in sleep_for<long, std::ratio<1l, 1000000l> > (__rtime=...) at /usr/include/c++/4.8.2/thread:281
#4  srv_master_sleep () at srv/srv0srv.cc:2490
#5  srv_master_thread () at srv/srv0srv.cc:2521
#6  0x0000000001d2f603 in __call<void> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#7  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#8  operator()<void (*)()> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x119cb604, DIE 0x11a7ca69>, this=0x7f29d87cfb48) at include/os0thread-create.h:92
#9  _M_invoke<0ul> (this=0x7f29d87cfb40) at /usr/include/c++/4.8.2/functional:1732
#10 operator() (this=0x7f29d87cfb40) at /usr/include/c++/4.8.2/functional:1720
#11 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)())> >::_M_run() (this=0x7f29d87cfb28) at /usr/include/c++/4.8.2/thread:115
#12 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#13 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#14 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 31 (Thread 0x7f29dc5c1700 (LWP 21475)):
#0  0x00007f29eabc0705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x000000000106bfb1 in native_cond_wait (mutex=0x55da920, cond=0x55da950) at ../include/thr_cond.h:109
#2  my_cond_wait (mp=0x55da920, cond=0x55da950) at ../include/thr_cond.h:162
#3  inline_mysql_cond_wait (src_file=0x225bd0b "event_queue.cc", src_line=731, mutex=0x55da920, that=0x55da950) at ../include/mysql/psi/mysql_cond.h:179
#4  Event_queue::cond_wait (this=this@entry=0x55da920, thd=thd@entry=0x56a0560, abstime=abstime@entry=0x0, stage=<optimized out>, src_func=src_func@entry=0x29c6b20 <Event_queue::get_top_for_execution_if_time(THD*, Event_queue_element_for_exec**)::__func__> "get_top_for_execution_if_time", src_file=src_file@entry=0x225bd0b "event_queue.cc", src_line=src_line@entry=566) at event_queue.cc:731
#5  0x000000000106c1cd in Event_queue::get_top_for_execution_if_time (this=0x55da920, thd=thd@entry=0x56a0560, event_name=event_name@entry=0x7f29dc5c0c48) at event_queue.cc:566
#6  0x000000000106eaa7 in Event_scheduler::run (this=this@entry=0x55da9f0, thd=0x56a0560) at event_scheduler.cc:549
#7  0x000000000106ee5c in event_scheduler_thread (arg=arg@entry=0x567b070) at event_scheduler.cc:269
#8  0x00000000020256b0 in pfs_spawn_thread (arg=0x565a270) at pfs.cc:2836
#9  0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 30 (Thread 0x7f29dc57a700 (LWP 21476)):
#0  0x00007f29e8f687da in sigwaitinfo () from /lib64/libc.so.6
#1  0x0000000000bb0553 in signal_hand (arg=arg@entry=0x0) at mysqld.cc:2722
#2  0x00000000020256b0 in pfs_spawn_thread (arg=0x5649de0) at pfs.cc:2836
#3  0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 29 (Thread 0x7f29bb5fe700 (LWP 21472)):
#0  0x00007f29eabc0705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000001d5b171 in wait (this=0x7f29d801cb98) at os/os0event.cc:179
#2  os_event::wait_low (this=0x7f29d801cb98, reset_sig_count=474, reset_sig_count@entry=0) at os/os0event.cc:337
#3  0x0000000001d5b3da in os_event_wait_low (event=<optimized out>, reset_sig_count=reset_sig_count@entry=0) at os/os0event.cc:513
#4  0x0000000001def22c in srv_worker_thread () at srv/srv0srv.cc:2660
#5  0x0000000001d2f603 in __call<void> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#6  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#7  operator()<void (*)()> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x119cb604, DIE 0x11a7ca69>, this=0x53d5688) at include/os0thread-create.h:92
#8  _M_invoke<0ul> (this=0x53d5680) at /usr/include/c++/4.8.2/functional:1732
#9  operator() (this=0x53d5680) at /usr/include/c++/4.8.2/functional:1720
#10 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)())> >::_M_run() (this=0x53d5668) at /usr/include/c++/4.8.2/thread:115
#11 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#12 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 28 (Thread 0x7f29c67f1700 (LWP 21459)):
#0  0x00007f29eabc0ab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000001d5b455 in os_event::timed_wait (this=this@entry=0x7f29d840b278, abstime=abstime@entry=0x7f29c67f0b80) at os/os0event.cc:287
#2  0x0000000001d5b601 in os_event::wait_time_low (this=0x7f29d840b278, time_in_usec=time_in_usec@entry=10, reset_sig_count=reset_sig_count@entry=4274) at os/os0event.cc:410
#3  0x0000000001d5b6ca in os_event_wait_time_low (event=<optimized out>, time_in_usec=time_in_usec@entry=10, reset_sig_count=reset_sig_count@entry=4274) at os/os0event.cc:499
#4  0x0000000001d45ada in os_event_wait_for<log_write_notifier(log_t*)::__lambda13> (condition=..., timeout=10, spins_limit=<optimized out>, event=@0x7f29d840b040: 0x7f29d840b278) at include/os0event.ic:107
#5  log_write_notifier (log_ptr=0x7f29d840aac0) at log/log0write.cc:2051
#6  0x0000000001d26928 in __call<void, 0ul> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#7  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#8  operator()<void (*)(log_t*), log_t*> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x119513fc, DIE 0x119ae550>, this=0x7f29d84dac80) at include/os0thread-create.h:92
#9  _M_invoke<0ul, 1ul> (this=0x7f29d84dac70) at /usr/include/c++/4.8.2/functional:1732
#10 operator() (this=0x7f29d84dac70) at /usr/include/c++/4.8.2/functional:1720
#11 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)(log_t*), log_t*)> >::_M_run() (this=0x7f29d84dac58) at /usr/include/c++/4.8.2/thread:115
#12 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#13 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#14 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 27 (Thread 0x7f29c3fed700 (LWP 21463)):
#0  0x00007f29eabc0ab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000001d5b455 in os_event::timed_wait (this=this@entry=0x7f29d801cdd8, abstime=abstime@entry=0x7f29c3fecc50) at os/os0event.cc:287
#2  0x0000000001d5b601 in os_event::wait_time_low (this=0x7f29d801cdd8, time_in_usec=time_in_usec@entry=5000000, reset_sig_count=1) at os/os0event.cc:410
#3  0x0000000001d5b6ca in os_event_wait_time_low (event=<optimized out>, time_in_usec=time_in_usec@entry=5000000, reset_sig_count=<optimized out>) at os/os0event.cc:499
#4  0x0000000001df1214 in srv_monitor_thread () at srv/srv0srv.cc:1576
#5  0x0000000001d2f603 in __call<void> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#6  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#7  operator()<void (*)()> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x119cb604, DIE 0x11a7ca69>, this=0x7f29d8531f28) at include/os0thread-create.h:92
#8  _M_invoke<0ul> (this=0x7f29d8531f20) at /usr/include/c++/4.8.2/functional:1732
#9  operator() (this=0x7f29d8531f20) at /usr/include/c++/4.8.2/functional:1720
#10 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)())> >::_M_run() (this=0x7f29d8531f08) at /usr/include/c++/4.8.2/thread:115
#11 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#12 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 26 (Thread 0x7f29bbfff700 (LWP 21468)):
#0  0x00007f29eabc0ab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000001d5b455 in os_event::timed_wait (this=this@entry=0x7f29d8653408, abstime=abstime@entry=0x7f29bbffe9e0) at os/os0event.cc:287
#2  0x0000000001d5b601 in os_event::wait_time_low (this=0x7f29d8653408, time_in_usec=time_in_usec@entry=5000000, reset_sig_count=reset_sig_count@entry=1) at os/os0event.cc:410
#3  0x0000000001d5b6ca in os_event_wait_time_low (event=<optimized out>, time_in_usec=time_in_usec@entry=5000000, reset_sig_count=reset_sig_count@entry=1) at os/os0event.cc:499
#4  0x0000000001e448b5 in ib_wqueue_timedwait (wq=wq@entry=0x7f29d863c048, wait_in_usecs=wait_in_usecs@entry=5000000) at ut/ut0wqueue.cc:117
#5  0x0000000001f88643 in fts_optimize_thread (wq=<optimized out>) at fts/fts0opt.cc:2853
#6  0x0000000001f80a78 in __call<void, 0ul> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#7  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#8  operator()<void (*)(ib_wqueue_t*), ib_wqueue_t*> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x14d49668, DIE 0x14de3441>, this=0x7f29d86adc90) at include/os0thread-create.h:92
#9  _M_invoke<0ul, 1ul> (this=0x7f29d86adc80) at /usr/include/c++/4.8.2/functional:1732
#10 operator() (this=0x7f29d86adc80) at /usr/include/c++/4.8.2/functional:1720
#11 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)(ib_wqueue_t*), ib_wqueue_t*)> >::_M_run() (this=0x7f29d86adc68) at /usr/include/c++/4.8.2/thread:115
#12 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#13 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#14 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 25 (Thread 0x7f29c7bf3700 (LWP 21457)):
#0  0x00007f29eabc0ab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000001d5b455 in os_event::timed_wait (this=this@entry=0x7f29d840b398, abstime=abstime@entry=0x7f29c7bf2ba0) at os/os0event.cc:287
#2  0x0000000001d5b601 in os_event::wait_time_low (this=0x7f29d840b398, time_in_usec=time_in_usec@entry=10, reset_sig_count=reset_sig_count@entry=1) at os/os0event.cc:410
#3  0x0000000001d5b6ca in os_event_wait_time_low (event=<optimized out>, time_in_usec=time_in_usec@entry=10, reset_sig_count=reset_sig_count@entry=1) at os/os0event.cc:499
#4  0x0000000001d46897 in os_event_wait_for<log_writer(log_t*)::__lambda11> (condition=..., timeout=10, spins_limit=<optimized out>, event=@0x7f29d840af40: 0x7f29d840b398) at include/os0event.ic:107
#5  log_writer (log_ptr=0x7f29d840aac0) at log/log0write.cc:1713
#6  0x0000000001d26928 in __call<void, 0ul> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#7  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#8  operator()<void (*)(log_t*), log_t*> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x119513fc, DIE 0x119ae550>, this=0x7f29d84da900) at include/os0thread-create.h:92
#9  _M_invoke<0ul, 1ul> (this=0x7f29d84da8f0) at /usr/include/c++/4.8.2/functional:1732
#10 operator() (this=0x7f29d84da8f0) at /usr/include/c++/4.8.2/functional:1720
#11 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)(log_t*), log_t*)> >::_M_run() (this=0x7f29d84da8d8) at /usr/include/c++/4.8.2/thread:115
#12 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#13 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#14 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 24 (Thread 0x7f29c2f2a700 (LWP 21464)):
#0  0x00007f29eabc0705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000001d5b171 in wait (this=0x7f29d801cf88) at os/os0event.cc:179
#2  os_event::wait_low (this=0x7f29d801cf88, reset_sig_count=1, reset_sig_count@entry=0) at os/os0event.cc:337
#3  0x0000000001d5b3da in os_event_wait_low (event=<optimized out>, reset_sig_count=reset_sig_count@entry=0) at os/os0event.cc:513
#4  0x0000000001ea37b8 in buf_resize_thread () at buf/buf0buf.cc:2269
#5  0x0000000001d2f603 in __call<void> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#6  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#7  operator()<void (*)()> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x119cb604, DIE 0x11a7ca69>, this=0x7f29d8393ad8) at include/os0thread-create.h:92
#8  _M_invoke<0ul> (this=0x7f29d8393ad0) at /usr/include/c++/4.8.2/functional:1732
#9  operator() (this=0x7f29d8393ad0) at /usr/include/c++/4.8.2/functional:1720
#10 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)())> >::_M_run() (this=0x7f29d8393ab8) at /usr/include/c++/4.8.2/thread:115
#11 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#12 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 23 (Thread 0x7f29b97fb700 (LWP 21477)):
#0  0x00007f29eabc0705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000001876301 in native_cond_wait (mutex=<optimized out>, cond=<optimized out>) at ../include/thr_cond.h:109
#2  my_cond_wait (mp=<optimized out>, cond=<optimized out>) at ../include/thr_cond.h:162
#3  inline_mysql_cond_wait (that=<optimized out>, mutex=<optimized out>, src_file=0x225d101 "rpl_gtid_persist.cc", src_line=758) at ../include/mysql/psi/mysql_cond.h:179
#4  compress_gtid_table (p_thd=p_thd@entry=0x546e200) at rpl_gtid_persist.cc:758
#5  0x00000000020256b0 in pfs_spawn_thread (arg=0x565a270) at pfs.cc:2836
#6  0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 22 (Thread 0x7f29c49ee700 (LWP 21462)):
#0  0x00007f29eabc0ab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000001d5b455 in os_event::timed_wait (this=this@entry=0x7f29d801cd48, abstime=abstime@entry=0x7f29c49eda70) at os/os0event.cc:287
#2  0x0000000001d5b601 in os_event::wait_time_low (this=0x7f29d801cd48, time_in_usec=time_in_usec@entry=1000000, reset_sig_count=1) at os/os0event.cc:410
#3  0x0000000001d5b6ca in os_event_wait_time_low (event=<optimized out>, time_in_usec=time_in_usec@entry=1000000, reset_sig_count=<optimized out>) at os/os0event.cc:499
#4  0x0000000001dedefd in srv_error_monitor_thread () at srv/srv0srv.cc:1708
#5  0x0000000001d2f603 in __call<void> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#6  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#7  operator()<void (*)()> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x119cb604, DIE 0x11a7ca69>, this=0x7f29d8531d08) at include/os0thread-create.h:92
#8  _M_invoke<0ul> (this=0x7f29d8531d00) at /usr/include/c++/4.8.2/functional:1732
#9  operator() (this=0x7f29d8531d00) at /usr/include/c++/4.8.2/functional:1720
#10 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)())> >::_M_run() (this=0x7f29d8531ce8) at /usr/include/c++/4.8.2/thread:115
#11 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#12 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 21 (Thread 0x7f29c1b28700 (LWP 21466)):
#0  0x00007f29eabc0705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000001d5b171 in wait (this=0x7f29d801ce68) at os/os0event.cc:179
#2  os_event::wait_low (this=0x7f29d801ce68, reset_sig_count=1, reset_sig_count@entry=0) at os/os0event.cc:337
#3  0x0000000001d5b3da in os_event_wait_low (event=<optimized out>, reset_sig_count=reset_sig_count@entry=0) at os/os0event.cc:513
#4  0x0000000001eaf24c in buf_dump_thread () at buf/buf0dump.cc:691
#5  0x0000000001d2f603 in __call<void> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#6  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#7  operator()<void (*)()> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x119cb604, DIE 0x11a7ca69>, this=0x7f29d8620ee8) at include/os0thread-create.h:92
#8  _M_invoke<0ul> (this=0x7f29d8620ee0) at /usr/include/c++/4.8.2/functional:1732
#9  operator() (this=0x7f29d8620ee0) at /usr/include/c++/4.8.2/functional:1720
#10 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)())> >::_M_run() (this=0x7f29d8620ec8) at /usr/include/c++/4.8.2/thread:115
#11 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#12 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 20 (Thread 0x7f29babfd700 (LWP 21473)):
#0  0x00007f29eabc0705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000001d5b171 in wait (this=0x7f29d801cc28) at os/os0event.cc:179
#2  os_event::wait_low (this=0x7f29d801cc28, reset_sig_count=483, reset_sig_count@entry=0) at os/os0event.cc:337
#3  0x0000000001d5b3da in os_event_wait_low (event=<optimized out>, reset_sig_count=reset_sig_count@entry=0) at os/os0event.cc:513
#4  0x0000000001def22c in srv_worker_thread () at srv/srv0srv.cc:2660
#5  0x0000000001d2f603 in __call<void> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#6  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#7  operator()<void (*)()> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x119cb604, DIE 0x11a7ca69>, this=0x5451908) at include/os0thread-create.h:92
#8  _M_invoke<0ul> (this=0x5451900) at /usr/include/c++/4.8.2/functional:1732
#9  operator() (this=0x5451900) at /usr/include/c++/4.8.2/functional:1720
#10 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)())> >::_M_run() (this=0x54518e8) at /usr/include/c++/4.8.2/thread:115
#11 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#12 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 19 (Thread 0x7f29d5d6a700 (LWP 21445)):
#0  0x00007f29ea9b3644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x0000000001d52097 in LinuxAIOHandler::collect (this=this@entry=0x7f29d5d69b90) at os/os0file.cc:2325
#2  0x0000000001d52935 in LinuxAIOHandler::poll (this=this@entry=0x7f29d5d69b90, m1=m1@entry=0x7f29d5d69c30, m2=m2@entry=0x7f29d5d69c38, request=request@entry=0x7f29d5d69c40) at os/os0file.cc:2456
#3  0x0000000001d58640 in os_aio_linux_handler (request=0x7f29d5d69c40, m2=0x7f29d5d69c38, m1=0x7f29d5d69c30, global_segment=1) at os/os0file.cc:2505
#4  os_aio_handler (segment=segment@entry=1, m1=m1@entry=0x7f29d5d69c30, m2=m2@entry=0x7f29d5d69c38, request=request@entry=0x7f29d5d69c40) at os/os0file.cc:5799
#5  0x0000000001f3da14 in fil_aio_wait (segment=segment@entry=1) at fil/fil0fil.cc:7286
#6  0x0000000001df1538 in io_handler_thread (segment=1) at srv/srv0start.cc:264
#7  0x0000000001df1828 in __call<void, 0ul> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#8  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#9  operator()<void (*)(long unsigned int), long unsigned int> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x12b8c285, DIE 0x12c42fa9>, this=0x7f29d84086a0) at include/os0thread-create.h:92
#10 _M_invoke<0ul, 1ul> (this=0x7f29d8408690) at /usr/include/c++/4.8.2/functional:1732
#11 operator() (this=0x7f29d8408690) at /usr/include/c++/4.8.2/functional:1720
#12 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)(unsigned long), unsigned long)> >::_M_run() (this=0x7f29d8408678) at /usr/include/c++/4.8.2/thread:115
#13 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#14 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#15 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 18 (Thread 0x7f29cb9f8700 (LWP 21454)):
#0  0x00007f29eabc0ab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000001d5b455 in os_event::timed_wait (this=this@entry=0x7f29d801cef8, abstime=abstime@entry=0x7f29cb9f79d0) at os/os0event.cc:287
#2  0x0000000001d5b601 in os_event::wait_time_low (this=0x7f29d801cef8, time_in_usec=<optimized out>, reset_sig_count=reset_sig_count@entry=2) at os/os0event.cc:410
#3  0x0000000001d5b6ca in os_event_wait_time_low (event=<optimized out>, time_in_usec=<optimized out>, reset_sig_count=reset_sig_count@entry=2) at os/os0event.cc:499
#4  0x0000000001eb7a0f in pc_sleep_if_needed (sig_count=2, next_loop_time=1532926268216) at buf/buf0flu.cc:2563
#5  buf_flush_page_coordinator_thread (n_page_cleaners=<optimized out>) at buf/buf0flu.cc:3014
#6  0x0000000001df1828 in __call<void, 0ul> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#7  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#8  operator()<void (*)(long unsigned int), long unsigned int> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x12b8c285, DIE 0x12c42fa9>, this=0x7f29d8409980) at include/os0thread-create.h:92
#9  _M_invoke<0ul, 1ul> (this=0x7f29d8409970) at /usr/include/c++/4.8.2/functional:1732
#10 operator() (this=0x7f29d8409970) at /usr/include/c++/4.8.2/functional:1720
#11 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)(unsigned long), unsigned long)> >::_M_run() (this=0x7f29d8409958) at /usr/include/c++/4.8.2/thread:115
#12 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#13 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#14 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7f29dd48b700 (LWP 21471)):
#0  0x00007f29eabc0ab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000001d5b455 in os_event::timed_wait (this=this@entry=0x7f29d801cb08, abstime=abstime@entry=0x7f29dd48abe0) at os/os0event.cc:287
#2  0x0000000001d5b601 in os_event::wait_time_low (this=0x7f29d801cb08, time_in_usec=time_in_usec@entry=10000, reset_sig_count=reset_sig_count@entry=147) at os/os0event.cc:410
#3  0x0000000001d5b6ca in os_event_wait_time_low (event=<optimized out>, time_in_usec=time_in_usec@entry=10000, reset_sig_count=reset_sig_count@entry=147) at os/os0event.cc:499
#4  0x0000000001defe52 in srv_purge_coordinator_suspend (rseg_history_len=<optimized out>, slot=0x7f29d801c738) at srv/srv0srv.cc:2794
#5  srv_purge_coordinator_thread () at srv/srv0srv.cc:2904
#6  0x0000000001d2f603 in __call<void> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#7  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#8  operator()<void (*)()> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x119cb604, DIE 0x11a7ca69>, this=0x53d40a8) at include/os0thread-create.h:92
#9  _M_invoke<0ul> (this=0x53d40a0) at /usr/include/c++/4.8.2/functional:1732
#10 operator() (this=0x53d40a0) at /usr/include/c++/4.8.2/functional:1720
#11 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)())> >::_M_run() (this=0x53d4088) at /usr/include/c++/4.8.2/thread:115
#12 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#13 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#14 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7f29ba1fc700 (LWP 21474)):
#0  0x00007f29eabc0705 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000001d5b171 in wait (this=0x7f29d801ccb8) at os/os0event.cc:179
#2  os_event::wait_low (this=0x7f29d801ccb8, reset_sig_count=458, reset_sig_count@entry=0) at os/os0event.cc:337
#3  0x0000000001d5b3da in os_event_wait_low (event=<optimized out>, reset_sig_count=reset_sig_count@entry=0) at os/os0event.cc:513
#4  0x0000000001def22c in srv_worker_thread () at srv/srv0srv.cc:2660
#5  0x0000000001d2f603 in __call<void> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#6  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#7  operator()<void (*)()> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x119cb604, DIE 0x11a7ca69>, this=0x53cfb08) at include/os0thread-create.h:92
#8  _M_invoke<0ul> (this=0x53cfb00) at /usr/include/c++/4.8.2/functional:1732
#9  operator() (this=0x53cfb00) at /usr/include/c++/4.8.2/functional:1720
#10 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)())> >::_M_run() (this=0x53cfae8) at /usr/include/c++/4.8.2/thread:115
#11 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#12 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7f29c5df0700 (LWP 21460)):
#0  0x00007f29eabc0ab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000001d5b455 in os_event::timed_wait (this=this@entry=0x7f29d840b308, abstime=abstime@entry=0x7f29c5defb80) at os/os0event.cc:287
#2  0x0000000001d5b601 in os_event::wait_time_low (this=0x7f29d840b308, time_in_usec=time_in_usec@entry=10, reset_sig_count=reset_sig_count@entry=3510) at os/os0event.cc:410
#3  0x0000000001d5b6ca in os_event_wait_time_low (event=<optimized out>, time_in_usec=time_in_usec@entry=10, reset_sig_count=reset_sig_count@entry=3510) at os/os0event.cc:499
#4  0x0000000001d44bfa in os_event_wait_for<log_flush_notifier(log_t*)::__lambda14> (condition=..., timeout=10, spins_limit=<optimized out>, event=@0x7f29d840afc0: 0x7f29d840b308) at include/os0event.ic:107
#5  log_flush_notifier (log_ptr=0x7f29d840aac0) at log/log0write.cc:2152
#6  0x0000000001d26928 in __call<void, 0ul> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#7  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#8  operator()<void (*)(log_t*), log_t*> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x119513fc, DIE 0x119ae550>, this=0x7f29d84dae40) at include/os0thread-create.h:92
#9  _M_invoke<0ul, 1ul> (this=0x7f29d84dae30) at /usr/include/c++/4.8.2/functional:1732
#10 operator() (this=0x7f29d84dae30) at /usr/include/c++/4.8.2/functional:1720
#11 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)(log_t*), log_t*)> >::_M_run() (this=0x7f29d84dae18) at /usr/include/c++/4.8.2/thread:115
#12 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#13 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#14 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7f29c85f4700 (LWP 21456)):
#0  0x00007f29e8fef91d in nanosleep () from /lib64/libc.so.6
#1  0x00007f29e90204a4 in usleep () from /lib64/libc.so.6
#2  0x0000000001d40383 in sleep_for<long, std::ratio<1l, 1000000l> > (__rtime=...) at /usr/include/c++/4.8.2/thread:281
#3  ut_wait_for<log_closer(log_t*)::__lambda15> (condition=..., sleep=1000, spins_limit=<optimized out>) at include/ut0ut.ic:166
#4  log_closer (log_ptr=0x7f29d840aac0) at log/log0write.cc:2248
#5  0x0000000001d26928 in __call<void, 0ul> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#6  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#7  operator()<void (*)(log_t*), log_t*> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x119513fc, DIE 0x119ae550>, this=0x7f29d84da740) at include/os0thread-create.h:92
#8  _M_invoke<0ul, 1ul> (this=0x7f29d84da730) at /usr/include/c++/4.8.2/functional:1732
#9  operator() (this=0x7f29d84da730) at /usr/include/c++/4.8.2/functional:1720
#10 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)(log_t*), log_t*)> >::_M_run() (this=0x7f29d84da718) at /usr/include/c++/4.8.2/thread:115
#11 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#12 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7f29ccdfa700 (LWP 21452)):
#0  0x00007f29ea9b3644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x0000000001d52097 in LinuxAIOHandler::collect (this=this@entry=0x7f29ccdf9b90) at os/os0file.cc:2325
#2  0x0000000001d52935 in LinuxAIOHandler::poll (this=this@entry=0x7f29ccdf9b90, m1=m1@entry=0x7f29ccdf9c30, m2=m2@entry=0x7f29ccdf9c38, request=request@entry=0x7f29ccdf9c40) at os/os0file.cc:2456
#3  0x0000000001d58640 in os_aio_linux_handler (request=0x7f29ccdf9c40, m2=0x7f29ccdf9c38, m1=0x7f29ccdf9c30, global_segment=8) at os/os0file.cc:2505
#4  os_aio_handler (segment=segment@entry=8, m1=m1@entry=0x7f29ccdf9c30, m2=m2@entry=0x7f29ccdf9c38, request=request@entry=0x7f29ccdf9c40) at os/os0file.cc:5799
#5  0x0000000001f3da14 in fil_aio_wait (segment=segment@entry=8) at fil/fil0fil.cc:7286
#6  0x0000000001df1538 in io_handler_thread (segment=8) at srv/srv0start.cc:264
#7  0x0000000001df1828 in __call<void, 0ul> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#8  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#9  operator()<void (*)(long unsigned int), long unsigned int> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x12b8c285, DIE 0x12c42fa9>, this=0x7f29d8409290) at include/os0thread-create.h:92
#10 _M_invoke<0ul, 1ul> (this=0x7f29d8409280) at /usr/include/c++/4.8.2/functional:1732
#11 operator() (this=0x7f29d8409280) at /usr/include/c++/4.8.2/functional:1720
#12 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)(unsigned long), unsigned long)> >::_M_run() (this=0x7f29d8409268) at /usr/include/c++/4.8.2/thread:115
#13 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#14 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#15 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7f29c53ef700 (LWP 21461)):
#0  0x00007f29eabc0ab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000001d5b455 in os_event::timed_wait (this=this@entry=0x7f29d83d9e38, abstime=abstime@entry=0x7f29c53eebd0) at os/os0event.cc:287
#2  0x0000000001d5b601 in os_event::wait_time_low (this=this@entry=0x7f29d83d9e38, time_in_usec=time_in_usec@entry=1000000, reset_sig_count=reset_sig_count@entry=1) at os/os0event.cc:410
#3  0x0000000001d5b6ca in os_event_wait_time_low (event=event@entry=0x7f29d83d9e38, time_in_usec=time_in_usec@entry=1000000, reset_sig_count=reset_sig_count@entry=1) at os/os0event.cc:499
#4  0x0000000001d16121 in lock_wait_timeout_thread () at lock/lock0wait.cc:466
#5  0x0000000001d2f603 in __call<void> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#6  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#7  operator()<void (*)()> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x119cb604, DIE 0x11a7ca69>, this=0x7f29d8531b48) at include/os0thread-create.h:92
#8  _M_invoke<0ul> (this=0x7f29d8531b40) at /usr/include/c++/4.8.2/functional:1732
#9  operator() (this=0x7f29d8531b40) at /usr/include/c++/4.8.2/functional:1720
#10 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)())> >::_M_run() (this=0x7f29d8531b28) at /usr/include/c++/4.8.2/thread:115
#11 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#12 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7f29c8ff5700 (LWP 21455)):
#0  0x00007f29eabc0ab2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000000001d5b455 in os_event::timed_wait (this=this@entry=0x7f29d840b1e8, abstime=abstime@entry=0x7f29c8ff4bb0) at os/os0event.cc:287
#2  0x0000000001d5b601 in os_event::wait_time_low (this=0x7f29d840b1e8, time_in_usec=time_in_usec@entry=10000, reset_sig_count=reset_sig_count@entry=1) at os/os0event.cc:410
#3  0x0000000001d5b6ca in os_event_wait_time_low (event=<optimized out>, time_in_usec=time_in_usec@entry=10000, reset_sig_count=reset_sig_count@entry=1) at os/os0event.cc:499
#4  0x0000000001d1c126 in log_checkpointer (log_ptr=0x7f29d840aac0) at log/log0chkp.cc:875
#5  0x0000000001d26928 in __call<void, 0ul> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#6  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#7  operator()<void (*)(log_t*), log_t*> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x119513fc, DIE 0x119ae550>, this=0x7f29d84da580) at include/os0thread-create.h:92
#8  _M_invoke<0ul, 1ul> (this=0x7f29d84da570) at /usr/include/c++/4.8.2/functional:1732
#9  operator() (this=0x7f29d84da570) at /usr/include/c++/4.8.2/functional:1720
#10 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)(log_t*), log_t*)> >::_M_run() (this=0x7f29d84da558) at /usr/include/c++/4.8.2/thread:115
#11 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#12 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#13 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7f29cc3f9700 (LWP 21453)):
#0  0x00007f29ea9b3644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x0000000001d52097 in LinuxAIOHandler::collect (this=this@entry=0x7f29cc3f8b90) at os/os0file.cc:2325
#2  0x0000000001d52935 in LinuxAIOHandler::poll (this=this@entry=0x7f29cc3f8b90, m1=m1@entry=0x7f29cc3f8c30, m2=m2@entry=0x7f29cc3f8c38, request=request@entry=0x7f29cc3f8c40) at os/os0file.cc:2456
#3  0x0000000001d58640 in os_aio_linux_handler (request=0x7f29cc3f8c40, m2=0x7f29cc3f8c38, m1=0x7f29cc3f8c30, global_segment=9) at os/os0file.cc:2505
#4  os_aio_handler (segment=segment@entry=9, m1=m1@entry=0x7f29cc3f8c30, m2=m2@entry=0x7f29cc3f8c38, request=request@entry=0x7f29cc3f8c40) at os/os0file.cc:5799
#5  0x0000000001f3da14 in fil_aio_wait (segment=segment@entry=9) at fil/fil0fil.cc:7286
#6  0x0000000001df1538 in io_handler_thread (segment=9) at srv/srv0start.cc:264
#7  0x0000000001df1828 in __call<void, 0ul> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#8  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#9  operator()<void (*)(long unsigned int), long unsigned int> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x12b8c285, DIE 0x12c42fa9>, this=0x7f29d8409450) at include/os0thread-create.h:92
#10 _M_invoke<0ul, 1ul> (this=0x7f29d8409440) at /usr/include/c++/4.8.2/functional:1732
#11 operator() (this=0x7f29d8409440) at /usr/include/c++/4.8.2/functional:1720
#12 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)(unsigned long), unsigned long)> >::_M_run() (this=0x7f29d8409428) at /usr/include/c++/4.8.2/thread:115
#13 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#14 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#15 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f29cd7fb700 (LWP 21451)):
#0  0x00007f29ea9b3644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x0000000001d52097 in LinuxAIOHandler::collect (this=this@entry=0x7f29cd7fab90) at os/os0file.cc:2325
#2  0x0000000001d52935 in LinuxAIOHandler::poll (this=this@entry=0x7f29cd7fab90, m1=m1@entry=0x7f29cd7fac30, m2=m2@entry=0x7f29cd7fac38, request=request@entry=0x7f29cd7fac40) at os/os0file.cc:2456
#3  0x0000000001d58640 in os_aio_linux_handler (request=0x7f29cd7fac40, m2=0x7f29cd7fac38, m1=0x7f29cd7fac30, global_segment=7) at os/os0file.cc:2505
#4  os_aio_handler (segment=segment@entry=7, m1=m1@entry=0x7f29cd7fac30, m2=m2@entry=0x7f29cd7fac38, request=request@entry=0x7f29cd7fac40) at os/os0file.cc:5799
#5  0x0000000001f3da14 in fil_aio_wait (segment=segment@entry=7) at fil/fil0fil.cc:7286
#6  0x0000000001df1538 in io_handler_thread (segment=7) at srv/srv0start.cc:264
#7  0x0000000001df1828 in __call<void, 0ul> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#8  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#9  operator()<void (*)(long unsigned int), long unsigned int> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x12b8c285, DIE 0x12c42fa9>, this=0x7f29d8408390) at include/os0thread-create.h:92
#10 _M_invoke<0ul, 1ul> (this=0x7f29d8408380) at /usr/include/c++/4.8.2/functional:1732
#11 operator() (this=0x7f29d8408380) at /usr/include/c++/4.8.2/functional:1720
#12 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)(unsigned long), unsigned long)> >::_M_run() (this=0x7f29d8408368) at /usr/include/c++/4.8.2/thread:115
#13 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#14 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#15 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f29ce1fc700 (LWP 21450)):
#0  0x00007f29ea9b3644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x0000000001d52097 in LinuxAIOHandler::collect (this=this@entry=0x7f29ce1fbb90) at os/os0file.cc:2325
#2  0x0000000001d52935 in LinuxAIOHandler::poll (this=this@entry=0x7f29ce1fbb90, m1=m1@entry=0x7f29ce1fbc30, m2=m2@entry=0x7f29ce1fbc38, request=request@entry=0x7f29ce1fbc40) at os/os0file.cc:2456
#3  0x0000000001d58640 in os_aio_linux_handler (request=0x7f29ce1fbc40, m2=0x7f29ce1fbc38, m1=0x7f29ce1fbc30, global_segment=6) at os/os0file.cc:2505
#4  os_aio_handler (segment=segment@entry=6, m1=m1@entry=0x7f29ce1fbc30, m2=m2@entry=0x7f29ce1fbc38, request=request@entry=0x7f29ce1fbc40) at os/os0file.cc:5799
#5  0x0000000001f3da14 in fil_aio_wait (segment=segment@entry=6) at fil/fil0fil.cc:7286
#6  0x0000000001df1538 in io_handler_thread (segment=6) at srv/srv0start.cc:264
#7  0x0000000001df1828 in __call<void, 0ul> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#8  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#9  operator()<void (*)(long unsigned int), long unsigned int> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x12b8c285, DIE 0x12c42fa9>, this=0x7f29d8408f60) at include/os0thread-create.h:92
#10 _M_invoke<0ul, 1ul> (this=0x7f29d8408f50) at /usr/include/c++/4.8.2/functional:1732
#11 operator() (this=0x7f29d8408f50) at /usr/include/c++/4.8.2/functional:1720
#12 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)(unsigned long), unsigned long)> >::_M_run() (this=0x7f29d8408f38) at /usr/include/c++/4.8.2/thread:115
#13 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#14 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#15 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f29cffff700 (LWP 21447)):
#0  0x00007f29ea9b3644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x0000000001d52097 in LinuxAIOHandler::collect (this=this@entry=0x7f29cfffeb90) at os/os0file.cc:2325
#2  0x0000000001d52935 in LinuxAIOHandler::poll (this=this@entry=0x7f29cfffeb90, m1=m1@entry=0x7f29cfffec30, m2=m2@entry=0x7f29cfffec38, request=request@entry=0x7f29cfffec40) at os/os0file.cc:2456
#3  0x0000000001d58640 in os_aio_linux_handler (request=0x7f29cfffec40, m2=0x7f29cfffec38, m1=0x7f29cfffec30, global_segment=3) at os/os0file.cc:2505
#4  os_aio_handler (segment=segment@entry=3, m1=m1@entry=0x7f29cfffec30, m2=m2@entry=0x7f29cfffec38, request=request@entry=0x7f29cfffec40) at os/os0file.cc:5799
#5  0x0000000001f3da14 in fil_aio_wait (segment=segment@entry=3) at fil/fil0fil.cc:7286
#6  0x0000000001df1538 in io_handler_thread (segment=3) at srv/srv0start.cc:264
#7  0x0000000001df1828 in __call<void, 0ul> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#8  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#9  operator()<void (*)(long unsigned int), long unsigned int> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x12b8c285, DIE 0x12c42fa9>, this=0x7f29d8408a20) at include/os0thread-create.h:92
#10 _M_invoke<0ul, 1ul> (this=0x7f29d8408a10) at /usr/include/c++/4.8.2/functional:1732
#11 operator() (this=0x7f29d8408a10) at /usr/include/c++/4.8.2/functional:1720
#12 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)(unsigned long), unsigned long)> >::_M_run() (this=0x7f29d84089f8) at /usr/include/c++/4.8.2/thread:115
#13 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#14 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#15 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f29cebfd700 (LWP 21449)):
#0  0x00007f29ea9b3644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x0000000001d52097 in LinuxAIOHandler::collect (this=this@entry=0x7f29cebfcb90) at os/os0file.cc:2325
#2  0x0000000001d52935 in LinuxAIOHandler::poll (this=this@entry=0x7f29cebfcb90, m1=m1@entry=0x7f29cebfcc30, m2=m2@entry=0x7f29cebfcc38, request=request@entry=0x7f29cebfcc40) at os/os0file.cc:2456
#3  0x0000000001d58640 in os_aio_linux_handler (request=0x7f29cebfcc40, m2=0x7f29cebfcc38, m1=0x7f29cebfcc30, global_segment=5) at os/os0file.cc:2505
#4  os_aio_handler (segment=segment@entry=5, m1=m1@entry=0x7f29cebfcc30, m2=m2@entry=0x7f29cebfcc38, request=request@entry=0x7f29cebfcc40) at os/os0file.cc:5799
#5  0x0000000001f3da14 in fil_aio_wait (segment=segment@entry=5) at fil/fil0fil.cc:7286
#6  0x0000000001df1538 in io_handler_thread (segment=5) at srv/srv0start.cc:264
#7  0x0000000001df1828 in __call<void, 0ul> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#8  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#9  operator()<void (*)(long unsigned int), long unsigned int> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x12b8c285, DIE 0x12c42fa9>, this=0x7f29d8408da0) at include/os0thread-create.h:92
#10 _M_invoke<0ul, 1ul> (this=0x7f29d8408d90) at /usr/include/c++/4.8.2/functional:1732
#11 operator() (this=0x7f29d8408d90) at /usr/include/c++/4.8.2/functional:1720
#12 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)(unsigned long), unsigned long)> >::_M_run() (this=0x7f29d8408d78) at /usr/include/c++/4.8.2/thread:115
#13 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#14 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#15 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f29eafc3940 (LWP 21441)):
#0  0x00007f29e901e00d in poll () from /lib64/libc.so.6
#1  0x0000000000d8badd in Mysqld_socket_listener::listen_for_connection_event (this=0x544cc90) at conn_handler/socket_connection.cc:739
#2  0x0000000000bc93b8 in connection_event_loop (this=0x5443f80) at ../sql/conn_handler/connection_acceptor.h:64
#3  mysqld_main (argc=70, argv=0x51fe918) at mysqld.cc:6379
#4  0x00007f29e8f53af5 in __libc_start_main () from /lib64/libc.so.6
#5  0x0000000000ba86d9 in _start ()

Thread 4 (Thread 0x7f29d7fff700 (LWP 21444)):
#0  0x00007f29ea9b3644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x0000000001d52097 in LinuxAIOHandler::collect (this=this@entry=0x7f29d7ffeb90) at os/os0file.cc:2325
#2  0x0000000001d52935 in LinuxAIOHandler::poll (this=this@entry=0x7f29d7ffeb90, m1=m1@entry=0x7f29d7ffec30, m2=m2@entry=0x7f29d7ffec38, request=request@entry=0x7f29d7ffec40) at os/os0file.cc:2456
#3  0x0000000001d58640 in os_aio_linux_handler (request=0x7f29d7ffec40, m2=0x7f29d7ffec38, m1=0x7f29d7ffec30, global_segment=0) at os/os0file.cc:2505
#4  os_aio_handler (segment=segment@entry=0, m1=m1@entry=0x7f29d7ffec30, m2=m2@entry=0x7f29d7ffec38, request=request@entry=0x7f29d7ffec40) at os/os0file.cc:5799
#5  0x0000000001f3da14 in fil_aio_wait (segment=segment@entry=0) at fil/fil0fil.cc:7286
#6  0x0000000001df1538 in io_handler_thread (segment=0) at srv/srv0start.cc:264
#7  0x0000000001df1828 in __call<void, 0ul> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#8  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#9  operator()<void (*)(long unsigned int), long unsigned int> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x12b8c285, DIE 0x12c42fa9>, this=0x7f29d8408650) at include/os0thread-create.h:92
#10 _M_invoke<0ul, 1ul> (this=0x7f29d8408640) at /usr/include/c++/4.8.2/functional:1732
#11 operator() (this=0x7f29d8408640) at /usr/include/c++/4.8.2/functional:1720
#12 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)(unsigned long), unsigned long)> >::_M_run() (this=0x7f29d8408628) at /usr/include/c++/4.8.2/thread:115
#13 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#14 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#15 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f29d5369700 (LWP 21446)):
#0  0x00007f29ea9b3644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x0000000001d52097 in LinuxAIOHandler::collect (this=this@entry=0x7f29d5368b90) at os/os0file.cc:2325
#2  0x0000000001d52935 in LinuxAIOHandler::poll (this=this@entry=0x7f29d5368b90, m1=m1@entry=0x7f29d5368c30, m2=m2@entry=0x7f29d5368c38, request=request@entry=0x7f29d5368c40) at os/os0file.cc:2456
#3  0x0000000001d58640 in os_aio_linux_handler (request=0x7f29d5368c40, m2=0x7f29d5368c38, m1=0x7f29d5368c30, global_segment=2) at os/os0file.cc:2505
#4  os_aio_handler (segment=segment@entry=2, m1=m1@entry=0x7f29d5368c30, m2=m2@entry=0x7f29d5368c38, request=request@entry=0x7f29d5368c40) at os/os0file.cc:5799
#5  0x0000000001f3da14 in fil_aio_wait (segment=segment@entry=2) at fil/fil0fil.cc:7286
#6  0x0000000001df1538 in io_handler_thread (segment=2) at srv/srv0start.cc:264
#7  0x0000000001df1828 in __call<void, 0ul> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#8  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#9  operator()<void (*)(long unsigned int), long unsigned int> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x12b8c285, DIE 0x12c42fa9>, this=0x7f29d8408860) at include/os0thread-create.h:92
#10 _M_invoke<0ul, 1ul> (this=0x7f29d8408850) at /usr/include/c++/4.8.2/functional:1732
#11 operator() (this=0x7f29d8408850) at /usr/include/c++/4.8.2/functional:1720
#12 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)(unsigned long), unsigned long)> >::_M_run() (this=0x7f29d8408838) at /usr/include/c++/4.8.2/thread:115
#13 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#14 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#15 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f29cf5fe700 (LWP 21448)):
#0  0x00007f29ea9b3644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x0000000001d52097 in LinuxAIOHandler::collect (this=this@entry=0x7f29cf5fdb90) at os/os0file.cc:2325
#2  0x0000000001d52935 in LinuxAIOHandler::poll (this=this@entry=0x7f29cf5fdb90, m1=m1@entry=0x7f29cf5fdc30, m2=m2@entry=0x7f29cf5fdc38, request=request@entry=0x7f29cf5fdc40) at os/os0file.cc:2456
#3  0x0000000001d58640 in os_aio_linux_handler (request=0x7f29cf5fdc40, m2=0x7f29cf5fdc38, m1=0x7f29cf5fdc30, global_segment=4) at os/os0file.cc:2505
#4  os_aio_handler (segment=segment@entry=4, m1=m1@entry=0x7f29cf5fdc30, m2=m2@entry=0x7f29cf5fdc38, request=request@entry=0x7f29cf5fdc40) at os/os0file.cc:5799
#5  0x0000000001f3da14 in fil_aio_wait (segment=segment@entry=4) at fil/fil0fil.cc:7286
#6  0x0000000001df1538 in io_handler_thread (segment=4) at srv/srv0start.cc:264
#7  0x0000000001df1828 in __call<void, 0ul> (__args=<optimized out>, this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1296
#8  operator()<, void> (this=<synthetic pointer>) at /usr/include/c++/4.8.2/functional:1355
#9  operator()<void (*)(long unsigned int), long unsigned int> (f=<unknown type in /export/umesh/server/source/bugs/src_build/8.0.12/bin/mysqld, CU 0x12b8c285, DIE 0x12c42fa9>, this=0x7f29d8408be0) at include/os0thread-create.h:92
#10 _M_invoke<0ul, 1ul> (this=0x7f29d8408bd0) at /usr/include/c++/4.8.2/functional:1732
#11 operator() (this=0x7f29d8408bd0) at /usr/include/c++/4.8.2/functional:1720
#12 std::thread::_Impl<std::_Bind_simple<Runnable (void (*)(unsigned long), unsigned long)> >::_M_run() (this=0x7f29d8408bb8) at /usr/include/c++/4.8.2/thread:115
#13 0x00007f29e98be1e0 in ?? () from /lib64/libstdc++.so.6
#14 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#15 0x00007f29e902860d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f29dc533700 (LWP 21480)):
#0  ut_list_append<ut_list_base<dyn_buf_t<512ul>::block_t, ut_list_node<dyn_buf_t<512ul>::block_t> dyn_buf_t<512ul>::block_t::*>, GenericGetNode<dyn_buf_t<512ul>::block_t> > (get_node=..., elem=<optimized out>, list=...) at include/ut0lst.h:192
#1  ut_list_append<ut_list_base<dyn_buf_t<512ul>::block_t, ut_list_node<dyn_buf_t<512ul>::block_t> dyn_buf_t<512ul>::block_t::*> > (elem=<optimized out>, list=...) at include/ut0lst.h:206
#2  push_back (block=<optimized out>, this=<optimized out>) at include/dyn0buf.h:355
#3  dyn_buf_t (this=0x7f29dc4edcf0) at include/dyn0buf.h:164
#4  Impl (this=0x7f29dc4edcf0) at include/mtr0mtr.h:166
#5  mtr_t (this=0x7f29dc4edcf0) at include/mtr0mtr.h:205
#6  row_upd_sec_index_entry (node=node@entry=0x7f299c4475e8, thr=thr@entry=0x7f299c475950) at row/row0upd.cc:1968
#7  0x0000000001ddd8e1 in row_upd_sec_step (thr=0x7f299c475950, node=0x7f299c4475e8) at row/row0upd.cc:2200
#8  row_upd (thr=0x7f299c475950, node=0x7f299c4475e8) at row/row0upd.cc:2912
#9  row_upd_step (thr=thr@entry=0x7f299c475950) at row/row0upd.cc:3017
#10 0x0000000001daf925 in row_update_cascade_for_mysql (thr=thr@entry=0x7f299c475950, node=node@entry=0x7f299c4475e8, table=0x7f299c460c68) at row/row0mysql.cc:2503
#11 0x0000000001da0462 in row_ins_foreign_check_on_constraint (mtr=0x7f29dc4f3010, entry=<optimized out>, pcur=0x7f29dc4f24b0, foreign=<optimized out>, thr=0x7f299c475950) at row/row0ins.cc:1252
#12 row_ins_check_foreign_constraint (check_ref=check_ref@entry=0, foreign=<optimized out>, table=table@entry=0x7f299c460c68, entry=entry@entry=0x7f299c16d498, thr=thr@entry=0x7f299c475950) at row/row0ins.cc:1611
#13 0x0000000001dd60b3 in row_upd_check_references_constraints (node=node@entry=0x7f299c069028, pcur=pcur@entry=0x7f299c069338, table=0x7f299c460c68, index=index@entry=0x7f299c45e858, offsets=offsets@entry=0x7f29dc4f96a0, thr=thr@entry=0x7f299c475950, mtr=mtr@entry=0x7f29dc4f99c0) at row/row0upd.cc:256
#14 0x0000000001ddbeaf in row_upd_check_references_constraints (mtr=0x7f29dc4f99c0, thr=0x7f299c475950, offsets=0x7f29dc4f96a0, index=0x7f299c45e858, table=<optimized out>, pcur=0x7f299c069338, node=0x7f299c069028) at row/row0upd.cc:203
#15 row_upd_del_mark_clust_rec (mtr=0x7f29dc4f99c0, referenced=1, thr=0x7f299c475950, offsets=0x7f29dc4f96a0, index=0x7f299c45e858, node=0x7f299c069028, flags=0) at row/row0upd.cc:2674
#16 row_upd_clust_step (node=node@entry=0x7f299c069028, thr=thr@entry=0x7f299c475950) at row/row0upd.cc:2779
#17 0x0000000001ddd7d5 in row_upd (thr=0x7f299c475950, node=0x7f299c069028) at row/row0upd.cc:2887
#18 row_upd_step (thr=thr@entry=0x7f299c475950) at row/row0upd.cc:3017
#19 0x0000000001daf925 in row_update_cascade_for_mysql (thr=thr@entry=0x7f299c475950, node=node@entry=0x7f299c069028, table=0x7f299c460c68) at row/row0mysql.cc:2503
#20 0x0000000001da0462 in row_ins_foreign_check_on_constraint (mtr=0x7f29dc4face0, entry=<optimized out>, pcur=0x7f29dc4fa180, foreign=<optimized out>, thr=0x7f299c475950) at row/row0ins.cc:1252
#21 row_ins_check_foreign_constraint (check_ref=check_ref@entry=0, foreign=<optimized out>, table=table@entry=0x7f299c460c68, entry=entry@entry=0x7f299c44a6b8, thr=thr@entry=0x7f299c475950) at row/row0ins.cc:1611
#22 0x0000000001dd60b3 in row_upd_check_references_constraints (node=node@entry=0x7f299c068048, pcur=pcur@entry=0x7f299c068358, table=0x7f299c460c68, index=index@entry=0x7f299c45e858, offsets=offsets@entry=0x7f29dc501370, thr=thr@entry=0x7f299c475950, mtr=mtr@entry=0x7f29dc501690) at row/row0upd.cc:256
#23 0x0000000001ddbeaf in row_upd_check_references_constraints (mtr=0x7f29dc501690, thr=0x7f299c475950, offsets=0x7f29dc501370, index=0x7f299c45e858, table=<optimized out>, pcur=0x7f299c068358, node=0x7f299c068048) at row/row0upd.cc:203
#24 row_upd_del_mark_clust_rec (mtr=0x7f29dc501690, referenced=1, thr=0x7f299c475950, offsets=0x7f29dc501370, index=0x7f299c45e858, node=0x7f299c068048, flags=0) at row/row0upd.cc:2674
#25 row_upd_clust_step (node=node@entry=0x7f299c068048, thr=thr@entry=0x7f299c475950) at row/row0upd.cc:2779
#26 0x0000000001ddd7d5 in row_upd (thr=0x7f299c475950, node=0x7f299c068048) at row/row0upd.cc:2887
#27 row_upd_step (thr=thr@entry=0x7f299c475950) at row/row0upd.cc:3017
#28 0x0000000001daf925 in row_update_cascade_for_mysql (thr=thr@entry=0x7f299c475950, node=node@entry=0x7f299c068048, table=0x7f299c460c68) at row/row0mysql.cc:2503
#29 0x0000000001da0462 in row_ins_foreign_check_on_constraint (mtr=0x7f29dc5029b0, entry=<optimized out>, pcur=0x7f29dc501e50, foreign=<optimized out>, thr=0x7f299c475950) at row/row0ins.cc:1252
#30 row_ins_check_foreign_constraint (check_ref=check_ref@entry=0, foreign=<optimized out>, table=table@entry=0x7f299c460c68, entry=entry@entry=0x7f299c44c998, thr=thr@entry=0x7f299c475950) at row/row0ins.cc:1611
#31 0x0000000001dd60b3 in row_upd_check_references_constraints (node=node@entry=0x7f299c45ceb8, pcur=pcur@entry=0x7f299c45d1c8, table=0x7f299c460c68, index=index@entry=0x7f299c45e858, offsets=offsets@entry=0x7f29dc509040, thr=thr@entry=0x7f299c475950, mtr=mtr@entry=0x7f29dc509360) at row/row0upd.cc:256
#32 0x0000000001ddbeaf in row_upd_check_references_constraints (mtr=0x7f29dc509360, thr=0x7f299c475950, offsets=0x7f29dc509040, index=0x7f299c45e858, table=<optimized out>, pcur=0x7f299c45d1c8, node=0x7f299c45ceb8) at row/row0upd.cc:203
#33 row_upd_del_mark_clust_rec (mtr=0x7f29dc509360, referenced=1, thr=0x7f299c475950, offsets=0x7f29dc509040, index=0x7f299c45e858, node=0x7f299c45ceb8, flags=0) at row/row0upd.cc:2674
#34 row_upd_clust_step (node=node@entry=0x7f299c45ceb8, thr=thr@entry=0x7f299c475950) at row/row0upd.cc:2779
#35 0x0000000001ddd7d5 in row_upd (thr=0x7f299c475950, node=0x7f299c45ceb8) at row/row0upd.cc:2887
#36 row_upd_step (thr=thr@entry=0x7f299c475950) at row/row0upd.cc:3017
#37 0x0000000001daf925 in row_update_cascade_for_mysql (thr=thr@entry=0x7f299c475950, node=node@entry=0x7f299c45ceb8, table=0x7f299c460c68) at row/row0mysql.cc:2503
#38 0x0000000001da0462 in row_ins_foreign_check_on_constraint (mtr=0x7f29dc50a680, entry=<optimized out>, pcur=0x7f29dc509b20, foreign=<optimized out>, thr=0x7f299c475950) at row/row0ins.cc:1252
#39 row_ins_check_foreign_constraint (check_ref=check_ref@entry=0, foreign=<optimized out>, table=table@entry=0x7f299c460c68, entry=entry@entry=0x7f299c44b828, thr=thr@entry=0x7f299c475950) at row/row0ins.cc:1611
#40 0x0000000001dd60b3 in row_upd_check_references_constraints (node=node@entry=0x7f299c06d418, pcur=pcur@entry=0x7f299c06d728, table=0x7f299c460c68, index=index@entry=0x7f299c45e858, offsets=offsets@entry=0x7f29dc510d10, thr=thr@entry=0x7f299c475950, mtr=mtr@entry=0x7f29dc511030) at row/row0upd.cc:256
#41 0x0000000001ddbeaf in row_upd_check_references_constraints (mtr=0x7f29dc511030, thr=0x7f299c475950, offsets=0x7f29dc510d10, index=0x7f299c45e858, table=<optimized out>, pcur=0x7f299c06d728, node=0x7f299c06d418) at row/row0upd.cc:203
#42 row_upd_del_mark_clust_rec (mtr=0x7f29dc511030, referenced=1, thr=0x7f299c475950, offsets=0x7f29dc510d10, index=0x7f299c45e858, node=0x7f299c06d418, flags=0) at row/row0upd.cc:2674
#43 row_upd_clust_step (node=node@entry=0x7f299c06d418, thr=thr@entry=0x7f299c475950) at row/row0upd.cc:2779
#44 0x0000000001ddd7d5 in row_upd (thr=0x7f299c475950, node=0x7f299c06d418) at row/row0upd.cc:2887
#45 row_upd_step (thr=thr@entry=0x7f299c475950) at row/row0upd.cc:3017
#46 0x0000000001daf925 in row_update_cascade_for_mysql (thr=thr@entry=0x7f299c475950, node=node@entry=0x7f299c06d418, table=0x7f299c460c68) at row/row0mysql.cc:2503
#47 0x0000000001da0462 in row_ins_foreign_check_on_constraint (mtr=0x7f29dc512350, entry=<optimized out>, pcur=0x7f29dc5117f0, foreign=<optimized out>, thr=0x7f299c475950) at row/row0ins.cc:1252
#48 row_ins_check_foreign_constraint (check_ref=check_ref@entry=0, foreign=<optimized out>, table=table@entry=0x7f299c460c68, entry=entry@entry=0x7f299c44ec78, thr=thr@entry=0x7f299c475950) at row/row0ins.cc:1611
#49 0x0000000001dd60b3 in row_upd_check_references_constraints (node=node@entry=0x7f299c06c438, pcur=pcur@entry=0x7f299c06c748, table=0x7f299c460c68, index=index@entry=0x7f299c45e858, offsets=offsets@entry=0x7f29dc5189e0, thr=thr@entry=0x7f299c475950, mtr=mtr@entry=0x7f29dc518d00) at row/row0upd.cc:256
#50 0x0000000001ddbeaf in row_upd_check_references_constraints (mtr=0x7f29dc518d00, thr=0x7f299c475950, offsets=0x7f29dc5189e0, index=0x7f299c45e858, table=<optimized out>, pcur=0x7f299c06c748, node=0x7f299c06c438) at row/row0upd.cc:203
#51 row_upd_del_mark_clust_rec (mtr=0x7f29dc518d00, referenced=1, thr=0x7f299c475950, offsets=0x7f29dc5189e0, index=0x7f299c45e858, node=0x7f299c06c438, flags=0) at row/row0upd.cc:2674
#52 row_upd_clust_step (node=node@entry=0x7f299c06c438, thr=thr@entry=0x7f299c475950) at row/row0upd.cc:2779
#53 0x0000000001ddd7d5 in row_upd (thr=0x7f299c475950, node=0x7f299c06c438) at row/row0upd.cc:2887
#54 row_upd_step (thr=thr@entry=0x7f299c475950) at row/row0upd.cc:3017
#55 0x0000000001daf925 in row_update_cascade_for_mysql (thr=thr@entry=0x7f299c475950, node=node@entry=0x7f299c06c438, table=0x7f299c460c68) at row/row0mysql.cc:2503
#56 0x0000000001da0462 in row_ins_foreign_check_on_constraint (mtr=0x7f29dc51a020, entry=<optimized out>, pcur=0x7f29dc5194c0, foreign=<optimized out>, thr=0x7f299c475950) at row/row0ins.cc:1252
#57 row_ins_check_foreign_constraint (check_ref=check_ref@entry=0, foreign=<optimized out>, table=table@entry=0x7f299c460c68, entry=entry@entry=0x7f299c45cb38, thr=thr@entry=0x7f299c475950) at row/row0ins.cc:1611
#58 0x0000000001dd60b3 in row_upd_check_references_constraints (node=node@entry=0x7f299c45f5a8, pcur=pcur@entry=0x7f299c45f7a8, table=0x7f299c460c68, index=index@entry=0x7f299c45e858, offsets=offsets@entry=0x7f29dc5206b0, thr=thr@entry=0x7f299c475950, mtr=mtr@entry=0x7f29dc5209d0) at row/row0upd.cc:256
#59 0x0000000001ddbeaf in row_upd_check_references_constraints (mtr=0x7f29dc5209d0, thr=0x7f299c475950, offsets=0x7f29dc5206b0, index=0x7f299c45e858, table=<optimized out>, pcur=0x7f299c45f7a8, node=0x7f299c45f5a8) at row/row0upd.cc:203
#60 row_upd_del_mark_clust_rec (mtr=0x7f29dc5209d0, referenced=1, thr=0x7f299c475950, offsets=0x7f29dc5206b0, index=0x7f299c45e858, node=0x7f299c45f5a8, flags=0) at row/row0upd.cc:2674
#61 row_upd_clust_step (node=node@entry=0x7f299c45f5a8, thr=thr@entry=0x7f299c475950) at row/row0upd.cc:2779
#62 0x0000000001ddd7d5 in row_upd (thr=0x7f299c475950, node=0x7f299c45f5a8) at row/row0upd.cc:2887
#63 row_upd_step (thr=thr@entry=0x7f299c475950) at row/row0upd.cc:3017
#64 0x0000000001daf925 in row_update_cascade_for_mysql (thr=thr@entry=0x7f299c475950, node=node@entry=0x7f299c45f5a8, table=0x7f299c460c68) at row/row0mysql.cc:2503
#65 0x0000000001da0462 in row_ins_foreign_check_on_constraint (mtr=0x7f29dc521cf0, entry=<optimized out>, pcur=0x7f29dc521190, foreign=<optimized out>, thr=0x7f299c475950) at row/row0ins.cc:1252
#66 row_ins_check_foreign_constraint (check_ref=check_ref@entry=0, foreign=<optimized out>, table=table@entry=0x7f299c460c68, entry=entry@entry=0x7f299c068ca8, thr=thr@entry=0x7f299c475950) at row/row0ins.cc:1611
#67 0x0000000001dd60b3 in row_upd_check_references_constraints (node=node@entry=0x7f299c475aa8, pcur=pcur@entry=0x7f299c475ca8, table=0x7f299c460c68, index=index@entry=0x7f299c45e858, offsets=offsets@entry=0x7f29dc528380, thr=thr@entry=0x7f299c475950, mtr=mtr@entry=0x7f29dc5286a0) at row/row0upd.cc:256
#68 0x0000000001ddbeaf in row_upd_check_references_constraints (mtr=0x7f29dc5286a0, thr=0x7f299c475950, offsets=0x7f29dc528380, index=0x7f299c45e858, table=<optimized out>, pcur=0x7f299c475ca8, node=0x7f299c475aa8) at row/row0upd.cc:203
#69 row_upd_del_mark_clust_rec (mtr=0x7f29dc5286a0, referenced=1, thr=0x7f299c475950, offsets=0x7f29dc528380, index=0x7f299c45e858, node=0x7f299c475aa8, flags=0) at row/row0upd.cc:2674
#70 row_upd_clust_step (node=node@entry=0x7f299c475aa8, thr=thr@entry=0x7f299c475950) at row/row0upd.cc:2779
#71 0x0000000001ddd7d5 in row_upd (thr=0x7f299c475950, node=0x7f299c475aa8) at row/row0upd.cc:2887
#72 row_upd_step (thr=thr@entry=0x7f299c475950) at row/row0upd.cc:3017
#73 0x0000000001daf925 in row_update_cascade_for_mysql (thr=thr@entry=0x7f299c475950, node=node@entry=0x7f299c475aa8, table=0x7f299c460c68) at row/row0mysql.cc:2503
#74 0x0000000001da0462 in row_ins_foreign_check_on_constraint (mtr=0x7f29dc5299c0, entry=<optimized out>, pcur=0x7f29dc528e60, foreign=<optimized out>, thr=0x7f299c475950) at row/row0ins.cc:1252
#75 row_ins_check_foreign_constraint (check_ref=check_ref@entry=0, foreign=<optimized out>, table=table@entry=0x7f299c460c68, entry=entry@entry=0x7f299c4483d8, thr=thr@entry=0x7f299c475950) at row/row0ins.cc:1611
#76 0x0000000001dd60b3 in row_upd_check_references_constraints (node=node@entry=0x7f299c475490, pcur=pcur@entry=0x7f299c182168, table=0x7f299c460c68, index=index@entry=0x7f299c45e858, offsets=offsets@entry=0x7f29dc530050, thr=thr@entry=0x7f299c475950, mtr=mtr@entry=0x7f29dc530370) at row/row0upd.cc:256
#77 0x0000000001ddbeaf in row_upd_check_references_constraints (mtr=0x7f29dc530370, thr=0x7f299c475950, offsets=0x7f29dc530050, index=0x7f299c45e858, table=<optimized out>, pcur=0x7f299c182168, node=0x7f299c475490) at row/row0upd.cc:203
#78 row_upd_del_mark_clust_rec (mtr=0x7f29dc530370, referenced=1, thr=0x7f299c475950, offsets=0x7f29dc530050, index=0x7f299c45e858, node=0x7f299c475490, flags=0) at row/row0upd.cc:2674
#79 row_upd_clust_step (node=node@entry=0x7f299c475490, thr=thr@entry=0x7f299c475950) at row/row0upd.cc:2779
#80 0x0000000001ddd7d5 in row_upd (thr=0x7f299c475950, node=0x7f299c475490) at row/row0upd.cc:2887
#81 row_upd_step (thr=thr@entry=0x7f299c475950) at row/row0upd.cc:3017
#82 0x0000000001db38a4 in row_update_for_mysql_using_upd_graph (prebuilt=prebuilt@entry=0x7f299c474948, mysql_rec=0x7f299c1848c8 <incomplete sequence \375>) at row/row0mysql.cc:2240
#83 0x0000000001db63fa in row_update_for_mysql (mysql_rec=mysql_rec@entry=0x7f299c1848c8 <incomplete sequence \375>, prebuilt=prebuilt@entry=0x7f299c474948) at row/row0mysql.cc:2328
#84 0x0000000001ca4a6e in ha_innobase::delete_row (this=0x7f299c459c28, record=<optimized out>) at handler/ha_innodb.cc:8321
#85 0x0000000000e944cb in handler::ha_delete_row (this=0x7f299c459c28, buf=0x7f299c1848c8 <incomplete sequence \375>) at handler.cc:7535
#86 0x0000000000c55832 in Sql_cmd_delete::delete_from_single_table (this=<optimized out>, thd=0x7f299c01b270) at sql_delete.cc:497
#87 0x0000000000cd1f4f in Sql_cmd_dml::execute (this=0x7f299c472e40, thd=0x7f299c01b270) at sql_select.cc:554
#88 0x0000000000c84a25 in mysql_execute_command (thd=thd@entry=0x7f299c01b270, first_level=first_level@entry=true) at sql_parse.cc:4210
#89 0x0000000000c89c90 in mysql_parse (thd=thd@entry=0x7f299c01b270, parser_state=parser_state@entry=0x7f29dc532500) at sql_parse.cc:4925
#90 0x0000000000c8af91 in dispatch_command (thd=thd@entry=0x7f299c01b270, com_data=com_data@entry=0x7f29dc532c00, command=COM_QUERY) at sql_parse.cc:1607
#91 0x0000000000c8d870 in do_command (thd=thd@entry=0x7f299c01b270) at sql_parse.cc:1232
#92 0x0000000000d84188 in handle_connection (arg=arg@entry=0x5648360) at conn_handler/connection_handler_per_thread.cc:308
#93 0x00000000020256b0 in pfs_spawn_thread (arg=0x565a270) at pfs.cc:2836
#94 0x00007f29eabbcdf5 in start_thread () from /lib64/libpthread.so.0
#95 0x00007f29e902860d in clone () from /lib64/libc.so.6

--------------------------------------------------------------------------
The servers were restarted 0 times
Spent 0.000 of 26 seconds executing testcases

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

Failing test(s): innodb.innodb

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

-- binary tarball build - not seeing any issues 

[umshastr@hod03]/export/umesh/server/binaries/GABuilds/mysql-8.0.12/mysql-test: ./mtr innodb.innodb
Logging: ./mtr  innodb.innodb
MySQL Version 8.0.12
Checking supported features...
 - SSL connections supported
Collecting tests...
Checking leftover processes...
Removing old var directory...
Creating var directory '/export/umesh/server/binaries/GABuilds/mysql-8.0.12/mysql-test/var'...
Installing system database...
Using parallel: 1

==============================================================================

TEST                                      RESULT   TIME (ms) or COMMENT
--------------------------------------------------------------------------

worker[1] Using MTR_BUILD_THREAD 300, with reserved ports 13000..13009
innodb.innodb                            [ pass ]   7014
--------------------------------------------------------------------------
The servers were restarted 0 times
Spent 7.014 of 14 seconds executing testcases

Completed: All 1 tests were successful.