MySQL Bugs: Search

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ID#	Date	Updated	Type	Status	Sev	Version	OS	CPU	Summary
444	2003-05-17 13:04	2003-08-29 6:32	MySQL Server: MyISAM storage engine	Closed (7536 days)	S1	4.1.1	Linux (Linux)	Any	MySQL-4.1 fails to run on a production server : 'opening table' table status
2154	2003-12-18 6:16	2003-12-28 5:16	MySQL Server	Closed (7415 days)	S3	4.1.2 and maybe 4.0.17	Linux (Linux)	Any	mysqld forgets to release mutex when dying when wrong language file
2277	2004-01-04 19:35	2004-01-30 10:24	MySQL Server	Closed (7382 days)	S1	4.0.17	MacOS (Mac OS X 10.3.2 Panther)	Any	Problems running mysql_install_db (MySQL-4.0.17) Mac OS X 10.3.2 Panther
2481	2004-01-22 6:38	2004-01-22 6:38	MySQL Server	Closed (7390 days)	S3	4.0.17	Any (all)	Any	mysqld crash if started with lower-case-table-names=0 and filesystem case-insen
2921	2004-02-22 14:11	2004-03-11 7:27	MySQL Server: Replication	Closed (7341 days)	S2	4.0.18	Linux (RedHat 7.3)	Any	Replication problem on mutex lock in mySQL-4.0.18
3643	2004-05-04 1:48	2004-05-05 0:13	MySQL Server	Closed (7286 days)	S1	4.1.2 latest bktree	Linux (Linux)	Any	MySQL could crash when a TABLE is altered and used at the same time
3824	2004-05-19 1:34	2004-05-29 10:34	MySQL Server	Closed (7262 days)	S2	4.1.1 alpha	Linux (Redhat 9)	Any	mysql_execute, mysql_insert_id, and threads
4810	2004-07-29 17:41	2004-07-31 22:39	MySQL Server	Closed (7199 days)	S2	3.23		Any	deadlock with KILL when the victim was in a wait state
4827	2004-07-30 14:44	2004-07-31 22:39	MySQL Server: Replication	Closed (7199 days)	S3	4.0	Any (all)	Any	KILL while START SLAVE may lead to replication slave crash
4844	2004-07-31 23:16	2004-08-02 18:03	MySQL Server	Closed (7197 days)	S1	4.1.3	FreeBSD (freebsd)	Any	mysqld 4.1.3 with linuxthreads@freebsd crash after load privilege tables
6817	2004-11-24 23:58	2004-11-25 22:45	MySQL Server	Closed (7082 days)	S1	4.1.7	Linux (Linux)	Any	mysqld crashes after innodb buffer pool fills up
7143	2004-12-09 20:21	2005-02-21 7:49	MySQL Server: Compiling	Closed (6994 days)	S2	4.1.7	Linux (Debian GNU/Linux on Alpha)	Any	Fails to build on Alpha
7146	2004-12-09 20:26	2005-02-21 7:50	MySQL Server: Compiling	Closed (6994 days)	S2	4.1.7	Linux (Debian GNU/Linux on Sparc)	Any	Fails to build on sparc
7620	2005-01-02 20:31	2005-02-25 17:17	MySQL Server	Closed (6990 days)	S3	5.0.3-alpha-debug	Linux (SUSE 9.2)	Any	Stored procedure packet error if show mutex status
7823	2005-01-12 2:49	2005-04-28 16:07	MySQL Server	Closed (6928 days)	S3	4.0.23	Linux (Red Hat Enterprise Linux)	Any	FLUSH TABLES WITH READ LOCK + INSERT DELAYED = deadlock
8653	2005-02-21 16:33	2005-04-06 15:09	MySQL Server	Closed (6950 days)	S1			Any	5.0.3 leaves an InnoDB trx open after connection ends; InnoDB shutdown hangs
9401	2005-03-25 9:04	2005-04-07 2:05	MySQL Server	Closed (6949 days)	S3	4.1	Linux (linux)	Any	type_timestamp segfaults mysqld
10224	2005-04-27 23:55	2005-06-03 23:34	MySQL Server: MyISAM storage engine	Closed (6892 days)	S1	4.0.25 forward		Any	ANALYZE TABLE crashing with simultaneous CREATE ... SELECT statement.
10957	2005-05-30 11:38	2005-08-24 17:34	Instance Manager	Closed (6810 days)	S3	5.0.x	Linux (Suse Linux)	Any	stop instance, issued after flush instances causes IM to crash
11615	2005-06-28 17:29	2005-08-02 18:14	Connector / J	Closed (6832 days)	S3	3.1.10	Windows (Windows XP)	Any	Synchronization problem in realClose
11704	2005-07-02 18:52	2011-02-16 23:43	MySQL Server: Optimizer	Closed (5049 days)	S2	5.0.9, 4.1	Linux (Linux/x86)	Any	Found locks from different threads in write -> crash with OPTIMIZE table?
11796	2005-07-07 13:42	2005-11-20 4:36	MySQL Server	Closed (6722 days)	S1	4.1.12/BK source	Windows (Windows XP, Windows 2000)	Any	Access Violation in when stopping MySQL Server while MySQLAdministrator running
12003	2005-07-18 12:12	2005-07-18 13:14	MySQL Server	Closed (6847 days)	S1	4.1	Linux (linux)	Any	assertion failure in testsuite (double lock of LOCK_thread_count)
14417	2005-10-28 8:55	2005-12-01 19:30	MySQL Server: Replication	Closed (6711 days)	S2	5.0-wl1012	Any (ALL)	Any	RBR: Thread-safety and table maps
14809	2005-11-10 0:22	2005-12-17 0:03	MySQL Server: BDB	Closed (6695 days)	S3	5.1	Any (All)	Any	Don't set DB_NOOVERWRITE when using hidden primary key
17404	2006-02-14 23:53	2006-05-23 13:06	MySQL Server: Stored Routines	Closed (6538 days)	S3	5.1.7-beta-debug	Linux (SUSE 10.0)	Any	Events: crash if frequent enable/disable
18116	2006-03-09 20:49	2006-04-06 0:17	MySQL Server: Replication	Closed (6585 days)	S2	5.0.18	Linux (linux)	Any	MySQL 5.0 deadlocks while writing binary log
20821	2006-07-03 13:41	2006-07-13 20:09	MySQL Server: Replication	Closed (6487 days)	S3	5.1-bk	Linux (linux)	Any	INSERT DELAYED fails to write some rows to binlog
20850	2006-07-04 13:48	2006-07-28 4:11	MySQL Server: Replication	Closed (6472 days)	S3	5.0.24, 5.1.12	Linux (Linux)	Any	Assert during slave shutdown in many rpl_* tests
21113	2006-07-18 12:48	2011-02-16 23:43	MySQL Server: InnoDB storage engine	Closed (5049 days)	S3	5.0.19	Any (All)	Any	Duplicate printout in SHOW INNODB STATUS
21298	2006-07-26 13:07	2006-09-01 8:14	MySQL Cluster: Cluster (NDB) storage engine	Closed (6437 days)	S2	5.1.12	Any (all)	Any	ndbcluster_log_schema_op locks already freed mutex
21647	2006-08-15 6:10	2006-09-01 7:56	MySQL Server: Tests	Closed (6437 days)	S3	5.1.12bk		Any	events tests fails with --with-ndbcluster
22082	2006-09-07 14:04	2016-03-17 23:13	MySQL Server: Replication	Closed (5508 days)	S3	Tried on 5.0.25, 5.0.51, 5.0.67	Any	Any	Slave hangs(holds mutex) on "disk full"
23176	2006-10-11 14:44	2006-10-24 21:33	MySQL Server: Falcon storage engine	Closed (6384 days)	S3		Any	Any	Falcon hangs on update key sysbench test with 256 threads
24148	2006-11-09 18:46	2007-01-31 19:31	MySQL Server	Closed (6285 days)	S3	5.0.27	Linux (Fedora Core 5)	Any	regression tests hang with SSL enabled
24386	2006-11-17 10:53	2011-02-16 23:43	MySQL Server: InnoDB storage engine	Closed (5050 days)	S2	5.0, 5.1	Any (all)	Any	Performance degradation caused by instrumentation in mutex_struct
24392	2006-11-17 14:09	2007-03-09 4:28	MySQL Server: Parser	Closed (6248 days)	S3	5.1-BK	Linux (Linux)	Any	SHOW ENGINE <unknown> STATUS is a synonym for SHOW ENGINE ALL STATUS
25042	2006-12-13 15:15	2007-03-30 19:37	MySQL Server	Closed (6227 days)	S2	5.0.15/5.0BK/5.1BK	Windows (Windows (XP))	Any	OPTIMIZE TABLE cause race condition in IO CACHE SHARE
25883	2007-01-26 22:14	2007-02-03 14:01	MySQL Server: General	Closed (6282 days)	S1	5.1.14-beta-log	Linux (Ubuntu Linux/Sparc )	Any	Pthread failed assertion
27062	2007-03-13 3:19	2007-08-07 19:51	MySQL Server	Closed (6097 days)	S5	5.1, 5.0	Any (any)	Any	Creation of temp tables (memory/heap) sets a global mutex
27177	2007-03-15 15:14	2007-07-03 15:05	MySQL Server: Documentation	Closed (6132 days)	S3	All Versions	Any	Any	SHOW PROCESSLIST Syntax - add descriptions for state
27622	2007-04-03 18:44	2007-06-19 13:16	MySQL Cluster: Replication	Closed (6146 days)	S3	5.1	Any	Any	mysqld shutdown, util thread continues, while binlog thread exits
27676	2007-04-05 20:09	2007-04-05 22:04	MySQL Server: Falcon storage engine	Closed (6221 days)	S3	5.2.4-falcon-alpha-debug	Linux (SUSE 10 64-bit)	Any	Falcon: crash if show mutex status
27971	2007-04-20 3:43	2008-01-04 18:06	MySQL Server: InnoDB storage engine	Closed (5947 days)	S1	5.0.37,5.0.45	FreeBSD (FreeBSD 6.2-RELEASE)	Any	mysqld stop running after 'a long semaphore wait' appear
28186	2007-05-01 20:50	2007-09-13 19:17	MySQL Server: Documentation	Closed (6060 days)	S3	5.1.17-beta	Any	Any	SHOW ENGINE INNODB MUTEX documentation is incomplete
29560	2007-07-05 2:06	2011-02-16 23:43	MySQL Server: InnoDB storage engine	Closed (5683 days)	S2	5.0.41	Any (Multi CPU)	Any	InnoDB >= 5.0.30 hangs on adaptive hash rw-lock 'waiting for an X-lock'
29968	2007-07-23 7:22	2007-09-06 12:18	MySQL Cluster: Replication	Closed (6067 days)	S2	5.1.21	Linux (valgrind)	Any	rpl_ndb_circular.test and rpl_ndb_log.test fail
30274	2007-08-07 13:04	2007-08-08 15:27	MySQL Server	Closed (6096 days)	S1	5.1.21	Other (if HAVE_GETHRTIME)	Any	Debug server crashes because mutex isn't initialized
30992	2007-09-13 7:55	2007-10-24 19:31	MySQL Server: C API (client library)	Closed (6019 days)	S3	5.0	Any	Any	Wrong implementation of pthread_mutex_trylock()
31868	2007-10-26 6:27	2008-01-14 20:29	MySQL Server: Embedded Library ( libmysqld )	Closed (5937 days)	S3	5.1	Windows	Any	mysql_server_init crash when language path is not correctly set
32676	2007-11-23 18:20	2008-01-11 16:09	MySQL Server: Locking	Closed (5940 days)	S1	5.0.50, 5.1.23, 6.0.3	Any	Any	insert delayed crash with wrong column and function specified ..
32970	2007-12-04 17:28	2008-02-26 1:39	MySQL Server: Backup	Closed (5894 days)	S3	6.0	Any	Any	Locking thread not added to process list properly
33296	2007-12-17 18:58	2008-02-26 2:15	MySQL Server: Backup	Closed (5894 days)	S3	6.0	Any	Any	Error deleting mutex in locking thread
34634	2008-02-18 10:11	2008-03-05 8:18	MySQL Server: Maria storage engine	Closed (5886 days)	S3		Any	Any	Concurrent pagecache_delete() and eviction of the same page cause crash
34818	2008-02-25 20:36	2011-02-16 23:43	MySQL Server	Closed (5269 days)	S3	6.0	Any	Any	--default-table-type option should be removed
35544	2008-03-25 9:19	2013-04-14 20:45	MySQL Server: Storage Engine API	Verified (4849 days)	S3	5.1+	Any	Any	ABI compatibility of pluggable storage engines
36098	2008-04-15 17:48	2011-02-16 23:43	MySQL Server: General	Closed (5155 days)	S2	6.0	Any	Any	Audit plugin (wl 3771) feature disabled in 6.0
36428	2008-04-30 14:53	2011-04-09 11:03	MySQL Server: General	Closed (4756 days)	S1	5.0, 5.1, 6.0	Any	Any	MY_MUTEX_INIT_FAST is used before initialization
36499	2008-05-05 8:33	2008-08-26 12:34	MySQL Server: Maria storage engine	Closed (5712 days)	S3	5.1-maria	Any	Any	Maria: potential deadlock
36525	2008-05-06 10:34	2008-08-12 16:27	MySQL Server	Closed (5726 days)	S2	5.0.45	Linux (EDT 2007 x86_64 x86_64 x86_64 GNU/Linux )	Any	Mysql Server becomes very slow.
37936	2008-07-07 16:07	2011-02-16 23:43	MySQL Server: Optimizer	Closed (5556 days)	S1	5.1.28-bzr, 6.0, 6.0.7-bzr	Any	Any	ASSERT_COLUMN_MARKED_FOR_WRITE in Field_datetime::store , Field_varstring::store
37961	2008-07-08 10:41	2008-10-26 0:27	MySQL Server	Closed (5651 days)	S3	6.0	Any	Any	"Trying to destroy unitialized mutex" crash when server can not start
38108	2008-07-14 16:23	2010-01-04 14:02	MySQL Server: Backup	Closed (5717 days)	S3	6.0.6	Any	Any	Race condition in MyISAM backup driver
38240	2008-07-19 15:49	2011-02-16 23:43	MySQL Server: Replication	Closed (5144 days)	S1	5.0.66a-debug, 5.0.89, 5.1.26-debug, 5.1.30	Any	Any	crash in rotate_relay_log during 'flush logs' and 'kill' or shutdown of server
38563	2008-08-05 9:50	2008-10-05 16:29	MySQL Cluster: Cluster (NDB) storage engine	Closed (5672 days)	S3	6.2	Any	Any	ndb_mgmd performs network I/O with client(s) while holding mutex
38594	2008-08-06 8:36	2009-01-08 10:31	MySQL Server: Falcon storage engine	Closed (5577 days)	S3	6.0.6	Solaris (Solaris 10 on AMD Opteron)	Any	Falcon crash in MemMgr and Sync object during exit of mysqld
38694	2008-08-09 18:24	2011-02-16 23:43	MySQL Server: Replication	Closed (5446 days)	S2	5.0.37, 5.0.68, 5.0.76-debug	Any	Any	Race condition in replication thread shutdown
38941	2008-08-21 15:38	2008-11-13 3:32	MySQL Server	Closed (5633 days)	S5	5.1, 6.0 BZR	Any	Any	fast mutexes in MySQL 5.1 have mutex contention when calling random()
38967	2008-08-22 17:25	2011-02-16 23:43	MySQL Server	Closed (5269 days)	S5	5.0-bzr, 5.1-bzr, 6.0-bzr	Any	Any	Unused mutex LOCK_Acl
38968	2008-08-22 17:28	2011-02-16 23:43	MySQL Server	Closed (5269 days)	S5	5.1-bzr, 5.0-bzr, 6.0-bzr	Any	Any	Unused mutex LOCK_bytes_sent, LOCK_bytes_received
38969	2008-08-22 17:31	2008-11-03 2:00	MySQL Server	Closed (5643 days)	S5	6.0-bzr	Any	Any	Unused mutex LOCK_hostname
38996	2008-08-25 6:39	2011-02-16 23:43	MySQL Server: InnoDB storage engine	Closed (5051 days)	S3	5.1	Any	Any	Race condition in ANALYZE TABLE
39158	2008-09-01 14:39	2008-10-05 16:34	MySQL Cluster: Cluster (NDB) storage engine	Closed (5672 days)	S2	6.2	Any	Any	MgmtSrvr::allocNodeId leaves mutex locked after "Ambiguity for node if %d" error
39180	2008-09-02 9:59	2008-11-14 14:13	MySQL Cluster: Cluster (NDB) storage engine	Closed (5632 days)	S3	6.2	Any	Any	Segfault in Logger::Log causes ndbd to hang indefinately - part2
39483	2008-09-16 15:29	2011-02-16 23:43	MySQL Server: InnoDB storage engine	Closed (5050 days)	S2	5.0, 5.1	Any	Any	InnoDB hang on adaptive hash because of out of order ::open() call by MySQL
39492	2008-09-17 0:58	2011-02-16 23:43	MySQL Server: General	Closed (5600 days)	S5	5.0.51a	Solaris	Any	solaris should use a separate alarm thread
40155	2008-10-19 19:28	2009-05-15 17:04	MySQL Server: Falcon storage engine	Closed (5450 days)	S2	6.0-rpl	Any	Any	[Falcon] Error: assertion (ret == 0) failed at line 80 in file Mutex.cpp
40337	2008-10-27 3:05	2011-02-16 23:43	MySQL Server: Replication	Closed (5269 days)	S5	5.0, 5.1, 6.0	Any	Any	Fsyncing master and relay log to disk after every event is too slow
40899	2008-11-20 19:16	2021-05-02 20:45	MySQL Cluster: Cluster (NDB) storage engine	Verified (5557 days)	S2	mysql-5.1	Any	Any	Mutex not unlocked in ndb_util_thread_func
41301	2008-12-08 13:34	2011-02-16 23:43	MySQL Cluster: Cluster (NDB) storage engine	Closed (5598 days)	S3		Solaris	Any	Collection of optimization for mt-NDB
41399	2008-12-11 15:11	2009-11-13 16:01	MySQL Server: Maria storage engine	Closed (5268 days)	S3	6.0-maria	Linux	Any	Maria: mutex deadlock detection warning LOCK_audit_mask LOCK_plugin
41663	2008-12-21 14:21	2009-05-07 16:16	MySQL Server: Falcon storage engine	Closed (5458 days)	S1	6.0-falcon-team	Any	Any	Falcon assertion (deferredIndex->virtualOffset) failed at Index.cpp:264
42279	2009-01-22 20:09	2011-02-16 23:43	MySQL Server: InnoDB storage engine	Closed (5050 days)	S2	5.0, 5.1, 4.1	Any	Any	Race condition in btr_search_drop_page_hash_when_freed()
42546	2009-02-02 15:00	2011-02-16 23:43	MySQL Server: Locking	Closed (4872 days)	S3	6.0-bzr	Linux	Any	Backup: RESTORE fails, thinking it finds an existing table
42649	2009-02-06 14:18	2011-02-16 23:43	MySQL Server: Charsets	Closed (5358 days)	S5	5.0,5.1	Any	Any	THR_LOCK_charset global mutex abused by InnoDB
42757	2009-02-11 12:01	2011-02-16 23:43	MySQL Server: Replication	Closed (5174 days)	S3		Any	Any	Redundant use of LOCK_log in MYSQL_BIN_LOG::write(Log_event*)
42930	2009-02-17 11:44	2012-10-05 16:42	MySQL Server: Locking	Closed (4211 days)	S5	5.0, 5.1, 6.0	Any	Any	'show global status' causes lock contention on LOCK_thread_count
43357	2009-03-04 9:35	2010-02-25 0:19	MySQL Server: Backup	Closed (5164 days)	S3	6.0,5.4	Any	Any	Server crash when selecting from INFORMATION_SCHEMA
43726	2009-03-18 12:07	2013-03-03 20:45	MySQL Server: MyISAM storage engine	Verified (5508 days)	S5	5.1.32/6.0	Any	Any	THR_LOCK_myisam is locked while flushing unwritten key blocks to disk
43733	2009-03-18 16:11	2011-02-16 23:43	MySQL Server: Embedded Library ( libmysqld )	Closed (5233 days)	S1	5.1.33-debug, 5.1-bugteam	Linux (suse-linux-gnu on i686)	Any	Select on processlist let the embedded server crash (concurrent_innodb_safelog)
44091	2009-04-04 23:17	2011-02-16 23:43	MySQL Server: Embedded Library ( libmysqld )	Closed (5450 days)	S2	5.1.33	Linux (Fedora 10 x86_64)	Any	libmysqld gets stuck waiting on mutex on initialization
45058	2009-05-25 3:52	2016-08-29 8:56	MySQL Server	Closed (5020 days)	S3	5.0, 5.1	Any	Any	init_available_charsets uses double checked locking
45160	2009-05-28 14:28	2011-02-16 23:44	MySQL Server: InnoDB storage engine	Closed (5404 days)	S2	5.0.22	Linux ( 2.6.18-53.el5)	Any	Mysql crashes after getting hanged with following error in error log
45892	2009-07-02 0:24	2013-03-12 22:52	MySQL Server: InnoDB storage engine	Closed (4053 days)	S5	5.0,5.1	Any	Any	Innodb calls fsync for writes with innodb_flush_method=O_DIRECT
46461	2009-07-29 20:08	2011-02-16 23:44	MySQL Server: Archive storage engine	Closed (5320 days)	S5	azalea-bzr	Linux	Any	Running test case archive_aio_posix with valgrind takes several minutes
46833	2009-08-20 13:20	2022-12-04 20:45	MySQL Server: Parser	Verified (5335 days)	S3	5.4	Any	Any	SHOW ENGINE ALL exist in code but are not documented
47187	2009-09-08 7:45	2011-02-16 23:44	MySQL Server: InnoDB storage engine	Closed (5019 days)	S1	5.1	Linux (Ubuntu amd64)	Any	Inserting 4 million rows not possible InnoDB
47213	2009-09-09 9:46	2018-02-23 0:44	MySQL Server: InnoDB storage engine	Closed (3560 days)	S3	5.0, 5.1.36 + plugin 1.0.3	Linux (PowerPC SMP)	ARM	InnoDB mutex/rw_lock should be conscious about memory ordering other than Intel
47304	2009-09-14 9:38	2011-02-16 23:44	MySQL Server: Locking	Closed (5155 days)	S2	5.4.4	Linux (x86_64)	Any	Test main.mdl_sync fails on embedded server
47768	2009-10-01 17:15	2011-02-16 23:44	MySQL Server: General	Closed (5233 days)	S2	5.0+	Windows	Any	pthread_cond_timedwait() is broken on windows
48048	2009-10-14 16:37	2011-02-16 23:44	MySQL Server: General	Closed (5154 days)	S3	5.5.0	Any	Any	Deprecated constructs need removal in Betony
48250	2009-10-22 23:51	2011-02-16 23:44	Tools: MTR / mysql-test-run	Closed (5052 days)	S3		Any	Any	mysqtest_embedded can lock destroyed mutex
48724	2009-11-12 12:33	2011-02-16 23:44	MySQL Server: DML	Closed (5154 days)	S2	6.0.14-bzr, 6.0-codebase-bugfixing	Any	Any	Deadlock between INSERT DELAYED and FLUSH TABLES
48930	2009-11-20 8:10	2010-03-07 19:32	MySQL Server: Backup	Closed (5154 days)	S2		Any	Any	Backup: Lock thread race condition for default backup driver
49207	2009-11-30 13:59	2011-02-16 23:44	MySQL Cluster: Cluster (NDB) storage engine	Closed (5242 days)	S3	mysql-5.1-telco-6.3	Any	Any	Nodefailure can "hang" ndb_mgmd with node id allocation
49342	2009-12-02 12:16	2010-03-07 19:00	MySQL Server: Backup	Closed (5154 days)	S2	6.0-backup	Any	Any	backup locking thread: trying to destroy a mutex LOCK_thd_data that was locked
49536	2009-12-08 16:23	2011-02-16 23:44	MySQL Cluster: Replication	Closed (5146 days)	S1		Any	Any	Mutex deadlock when expire_logs_days is used
50436	2010-01-19 9:53	2011-02-16 23:44	MySQL Server: Performance Schema	Closed (5155 days)	S1	6.0, 5.5.99-m3	HP/UX	Any	perfschema.aggregate fails on HPUX in 6.0
50998	2010-02-08 15:00	2011-02-16 23:44	MySQL Server: Locking	Closed (5154 days)	S2	mysql-next-4284	Any	Any	Deadlock in MDL code during test rqg_mdl_stability
51263	2010-02-18 1:10	2011-02-16 23:44	MySQL Server: Locking	Closed (5018 days)	S2	mysql-next-4284,5.5-m3	Any	Any	Deadlock between transactional SELECT and ALTER TABLE ... REBUILD PARTITION
51391	2010-02-22 15:06	2011-02-16 23:44	MySQL Server: Locking	Closed (5092 days)	S2	5.5.3-m3	Any	Any	Deadlock involving events during rqg_info_schema test
51557	2010-02-26 15:41	2011-02-16 23:44	MySQL Server: Locking	Closed (5031 days)	S2	5.0.84	Any	Any	LOCK_open and kernel_mutex are not happy together
51738	2010-03-04 21:43	2011-02-16 23:44	MySQL Server: Performance Schema	Closed (5151 days)	S3	5.5.99	Linux (Ubuntu 32 bit)	Any	Unit test pfs_instr-t crashes
51851	2010-03-09 5:32	2011-02-16 23:44	MySQL Server: Partitions	Closed (4900 days)	S2	5.1, 5.6.99-m4, 5.5.3-m3	Any	Any	Server with SBR locks mutex twice on LOAD DATA into partitioned MyISAM table
52266	2010-03-22 6:18	2011-02-16 23:44	MySQL Server: Locking	Closed (4961 days)	S2	mysql-trunk-runtime-exp	Any	Any	Trying to lock unitialized mutex at storage/myisam/ha_myisam.cc, line 1712
52606	2010-04-05 21:50	2011-02-16 23:44	MySQL Server: InnoDB storage engine	Closed (5032 days)	S1	mysql-5.5.4-m3	Linux	Any	crash recovery fails, compr,UNIV_DEBUG: sync0sync.ic:207 !mutex_own(mutex)
52633	2010-04-06 20:49	2011-06-30 22:15	MySQL Server: Documentation	Closed (4674 days)	S2	5.1.45, 5.1 bzr	Linux (CentOS 5)	Any	When building with -DNO_ALARM on Linux, wait_timeout is effective 10x longer
52806	2010-04-14 6:32	2022-01-26 12:34	MySQL Server: InnoDB Plugin storage engine	Closed (811 days)	S5	5.1	Any	Any	Make InnoDB mutexes green
53155	2010-04-26 10:58	2011-02-16 23:44	MySQL Cluster: Cluster (NDB) storage engine	Closed (4924 days)	S1	mysql-5.1	FreeBSD (8.0-STABLE amd64)	Any	Crash in safe_mutex_init(), using uninitialized mutex attr
53204	2010-04-27 14:17	2011-02-16 23:44	MySQL Server: InnoDB storage engine	Closed (4984 days)	S3	5.1+	Windows	Any	os_fastmutex_trylock is implemented incorrectly on Windows
53657	2010-05-14 16:32	2011-02-16 23:44	MySQL Server: Replication	Closed (4933 days)	S2	5.1.47-debug	Any	Any	Slave crashed with error 22 when trying to lock mutex at mf_iocache.c, line 1722
53916	2010-05-22 21:44	2011-02-16 23:44	MySQL Server: InnoDB Plugin storage engine	Closed (4872 days)	S3	5.1.46	Other (NetBSD/sparc64)	Any	storage/innodb_plugin does not compile on NetBSD/sparc64
53947	2010-05-24 18:11	2011-02-16 23:44	MySQL Server: InnoDB storage engine	Closed (5039 days)	S1	5.5, 5.1/plugin	Windows	Any	InnoDB: Assertion failure in thread 4224 in file .\sync\sync0sync.c line 324
54200	2010-06-03 12:13	2011-02-16 23:44	MySQL Server: Locking	Closed (5045 days)	S3	5.5.4	Any	Any	Deadlock between FLUSH TABLES WITH READ LOCK and DML in 5.5.4
54583	2010-06-17 12:14	2011-02-16 23:44	MySQL Server: InnoDB storage engine	Closed (4932 days)	S3	5.5.5pre-debug	Any	Any	InnoDB: Assertion failure in thread <..> in file sync/sync0sync.c line 1226
54726	2010-06-23 9:28	2011-02-16 23:44	MySQL Server: InnoDB storage engine	Closed (4885 days)	S3	5.5	Any	Any	Inconsistent reporting between mutex and RW lock spin rounds
54815	2010-06-25 17:32	2013-06-14 8:39	MySQL Server: InnoDB Plugin storage engine	Closed (3959 days)	S5	5.1.47	Any	Any	reduce the overhead from buf_flush_free_margin
55027	2010-07-06 13:32	2011-02-16 23:44	MySQL Server: InnoDB storage engine	Closed (4921 days)	S2	5.1	Any	Any	assertion: mutex_own(&dict_sys->mutex) in dict_table_get_on_id()
55415	2010-07-20 19:46	2011-02-16 23:44	MySQL Server: Replication	Closed (4943 days)	S3	trunk	Any	Any	wait_for_update_bin_log enters a condition but does not leave
55576	2010-07-27 2:59	2011-02-16 23:44	MySQL Server: Performance Schema	Closed (4876 days)	S3	5.6, 5,5	Any	Any	Two perfschema tests failed on mysql-next-mr-innodb PB2 tests
55581	2010-07-27 11:50	2011-02-16 23:44	MySQL Server: InnoDB Plugin storage engine	Closed (4921 days)	S2	5.1	Any	Any	shutdown with innodb-use-sys-malloc=0: assert mutex->magic_n == MUTEX_MAGIC_N
55878	2010-08-10 12:17	2022-12-04 20:45	MySQL Server: InnoDB storage engine	Verified (4962 days)	S3	5.5	Any	Any	Possible race condition in INNOBASE_SHARE (no race condition)
56096	2010-08-18 19:24	2011-02-16 23:44	MySQL Server	Closed (4896 days)	S3	5.5.5-m3, 5.6.1-m4	Any	Any	STOP SLAVE hangs if executed in parallel with user sleep
56299	2010-08-26 16:16	2011-11-07 17:24	MySQL Server: Locking	Closed (4544 days)	S1	5.1.50,5.5.5	Any	Any	mutex deadlock with COM_BINLOG_DUMP, binlog purge, and processlist/kill
56324	2010-08-27 11:06	2011-02-16 23:44	MySQL Server: Performance Schema	Closed (4912 days)	S3	next-mr, next-mr-bugfixing	Any	Any	Race Condition while shutting down MySQL: "PSI_server"
56405	2010-08-31 13:26	2011-02-16 23:44	MySQL Server: Locking	Closed (4896 days)	S1	5.5	Linux (Ubuntu 64 bit)	Any	Deadlock in the MDL deadlock detector
56676	2010-09-09 8:52	2013-01-10 11:12	MySQL Server: Replication	Closed (4114 days)	S3	5.1.50	Any	Any	'show slave status' ,'show global status' hang when 'stop slave' takes too long
56715	2010-09-10 14:32	2011-02-16 23:44	MySQL Server: Locking	Closed (4896 days)	S3	5.5.6-m3	Any	Any	Concurrent transactions + FLUSH result in sporadical unwarranted deadlock errors
56791	2010-09-15 10:32	2011-02-16 23:44	MySQL Server: InnoDB storage engine	Closed (4877 days)	S3	5.5	Any	Any	Remove ios_mutex from InnoDB code
56832	2010-09-17 0:24	2011-02-16 23:44	MySQL Server: Performance Schema	Closed (4944 days)	S3	5.5.6-m3-release	Any	Any	perfschema.server_init test output not consistent
57627	2010-10-21 12:45	2011-02-16 23:44	MySQL Server: InnoDB storage engine	Closed (4843 days)	S3	5.6	Any	Any	Use atomic memory access instead of mutexes for updating counters
58136	2010-11-11 13:05	2011-02-16 23:44	MySQL Server: Locking	Closed (4844 days)	S1	MySQL 5.5	Any	Any	Crash in vio_close at concurrent disconnect and KILL
58746	2010-12-06 5:57	2012-02-13 3:30	MySQL Server: InnoDB storage engine	Closed (4446 days)	S2	trunk	Any	Any	lock_number_of_rows_locked() is not thread safe
58766	2010-12-06 22:48	2014-01-29 0:51	MySQL Server	Closed (3730 days)	S2	5.5.8	Any (Linux)	Any	Server binary was compiled without fast-mutexes
58975	2010-12-16 14:14	2014-01-29 20:21	MySQL Server: InnoDB storage engine	Closed (4844 days)	S2	5.6	Any	Any	Possible infinite loop during shutdown, waiting for page cleaner thread
59309	2011-01-05 13:56	2011-02-16 23:44	MySQL Server: Tests	Closed (4825 days)	S3	5.6	Any	Any	Cleanup MDL - THD interface
59460	2011-01-13 0:37	2011-11-30 18:57	MySQL Server: Documentation	Closed (4521 days)	S3		Any	Any	UNIV_DEBUG
59625	2011-01-20 7:39	2012-02-13 3:38	MySQL Server: InnoDB storage engine	Closed (4446 days)	S1	5.5+	Any	Any	Multiple RBS break the get rseg with mininum trx_t::no code during purge
59682	2011-01-23 21:49	2012-02-13 3:39	MySQL Server: InnoDB storage engine	Closed (4446 days)	S3	5.1-plugin+	Any	Any	SIGSEGV while running ibtests + SHOW INNODB STATUS with UNIV_SYNC_DEBUG enabled
59683	2011-01-23 21:58	2012-02-13 3:40	MySQL Server: InnoDB storage engine	Closed (4446 days)	S3	5.5+	Any	Any	InnoDB latch deadlock detector/violation debug code is very slow
59710	2011-01-25 10:11	2022-04-10 20:45	MySQL Server: InnoDB storage engine	Verified	S3	5.6+	Any	Any	InnoDB mutex_t size should be trimmed
59733	2011-01-26 7:32	2011-10-07 20:59	MySQL Server: InnoDB storage engine	Closed (4575 days)	S2	3.23.53,4.0,4.1,5.0,5.1,5.5	Any	Any	Possible deadlock when buffered changes are to be discarded in buf_page_create()
59888	2011-02-02 10:28	2011-04-06 1:39	MySQL Server: Locking	Closed (4759 days)	S1	5.1.56	Any	Any	debug assertion/crash when attempt to create spatial index on char > 31 bytes
60114	2011-02-11 12:39	2012-10-15 14:05	MySQL Server: Locking	Closed (4201 days)	S3	mysql-trunk	Any	Any	INSERT DELAYED can call ha_release_auto_increment without having a lock.
60180	2011-02-19 19:31	2011-03-21 19:11	MySQL Server: General	Closed (4775 days)	S5	mysql-5.1, mysql-6.0.11-alpha, mysql-trunk	Any	Any	Unused mutex THR_LOCK_isam
60225	2011-02-23 17:52	2013-06-25 13:11	MySQL Server: InnoDB storage engine	Closed (3948 days)	S3	mysql-5.0.15, 5.5.11, mysql-6.0.11-alpha	Any	Any	Unused mutex commit_threads_m
60323	2011-03-03 20:40	2011-03-04 12:02	MySQL Server: General	Closed (4792 days)	S5	5.1.55	Any	Any	Unused mutex Lock_Acl
61132	2011-05-11 11:21	2013-08-21 14:51	MySQL Server: InnoDB Plugin storage engine	Closed (3891 days)	S3	5.1, 5.5	Any	Any	Infinite loop in buf_page_get_gen() when handling compressed pages
61188	2011-05-16 16:43	2011-11-02 16:32	MySQL Server: InnoDB storage engine	Closed (4549 days)	S3	5.5.12-log	Linux (CentOS release 5.3 (Final))	Any	DROP TABLE extremely slow
62018	2011-07-28 15:15	2018-02-11 20:45	MySQL Server: InnoDB storage engine	Verified (4108 days)	S5	5.6.3	Any	Any	innodb adaptive hash index mutex contention
62030	2011-07-29 18:17	2014-05-14 12:37	MySQL Server: InnoDB Plugin storage engine	Closed (3625 days)	S5	5.6.3	Any	Any	trx_sys_flush_max_trx_id stalls transaction start
62055	2011-08-02 10:24	2011-12-19 1:29	MySQL Server: Replication	Closed (4502 days)	S3	5.1.59, 5.5.15	Any	Any	Race condition in check_temp_dir() from multiple mysqld instances
62294	2011-08-30 0:34	2011-10-07 0:56	MySQL Server: InnoDB Plugin storage engine	Closed (4575 days)	S3	5.1,5.5	Any	Any	buf_buddy_relocate calls gettimeofday while holder buffer pool mutex
62535	2011-09-25 14:46	2017-05-14 20:45	MySQL Server: InnoDB storage engine	Verified (4521 days)	S3	5.5, 5.1, etc	Linux	Any	os_event_create() has inefficient memory allocation
63815	2011-12-21 2:51	2012-10-18 22:06	MySQL Server: InnoDB Plugin storage engine	Closed (4198 days)	S1		Any	Any	Reorganization May Make a Page Incompressible
64116	2012-01-23 20:05	2012-05-25 7:35	MySQL Server: InnoDB Plugin storage engine	Verified (4466 days)	S5	5.1,5.5,5.6	Any	Any	fil_space_get_size called too frequently
64284	2012-02-09 19:33	2012-03-26 23:09	MySQL Server: InnoDB storage engine	Closed (4404 days)	S3	5.5, 5.6	Any	Any	Eliminate LRU scan when dropping a table
64340	2012-02-15 14:07	2013-06-14 15:35	MySQL Server: InnoDB Plugin storage engine	Verified (3959 days)	S5	5.1.52, 5.1.61	Any	Any	race on no_flush event during buf_flush_free_margin
64344	2012-02-15 17:00	2015-01-16 19:40	MySQL Server: InnoDB Plugin storage engine	Verified (4421 days)	S5	5.1.52	Any	Any	malloc, free done for compressed pages when buffer pool mutex locked
64715	2012-03-21 4:24	2012-03-21 20:00	MySQL Server: InnoDB Plugin storage engine	Verified (4409 days)	S5	5.1.52, 5.1.63	Any	Any	buf_LRU_free_block() calls page_zip_calc_checksum() unnecessarily.
66363	2012-08-13 21:33	2013-03-13 22:32	MySQL Server: Replication	Verified (4052 days)	S2	5.1.58, 5.1.67	Linux (rhel 6.1)	Any	Large transaction writing rbr with sync_binlog hangs entire server on fsync
66473	2012-08-21 1:49	2016-08-04 0:38	MySQL Server: Locking	Closed (4068 days)	S5	5.6.6-m9	Any	Any	MySQL 5.6.6-m9 has more mutex contention than MySQL 5.1
66648	2012-09-02 1:36	2012-11-30 2:27	MySQL Workbench: Modeling	Closed (4155 days)	S3	5.2.42/5.2.43/5.2.44	Windows (Microsoft Windows 7 Service Pack 1 (build 7601), 64-bit)	Any	Forward Engineer
67808	2012-12-05 2:45	2012-12-26 2:34	MySQL Server: InnoDB storage engine	Verified (4129 days)	S2	5.5.*	Any	Any	in innodb engine, double write and multi-buffer pool instance reduce concurrency
68022	2013-01-03 18:00	2013-07-07 11:28	MySQL Server: InnoDB Plugin storage engine	Closed (3936 days)	S1	5.1,5.5	Any	Any	DROP TABLE slow when it decompress compressed-only pages
68077	2013-01-14 3:37	2013-04-03 11:33	MySQL Server: InnoDB storage engine	Closed (4031 days)	S5	5.6	Any	Any	Mixing 4K/16K blocks increases 8K free blocks and holds buf pool mutex longer
68079	2013-01-14 12:01	2014-02-28 6:40	MySQL Server: InnoDB storage engine	Closed (3743 days)	S2	5.5.29, 5.6.9-rc	Linux (x86_64)	Any	InnoDB does not scale well on 12 core system for specific all in memory SELECT
68116	2013-01-18 9:32	2015-05-08 15:07	MySQL Server: InnoDB storage engine	Closed (3415 days)	S3	5.1, 5.5, 5.6	Any	Any	InnoDB monitor may hit an assertion error in buf_page_get_gen in debug builds
68207	2013-01-28 17:01	2013-01-31 13:41	MySQL Server: InnoDB storage engine	Verified (4093 days)	S3	5.6	Any	Any	too much contention on "os_mutex"
68244	2013-02-01 13:24	2013-06-06 15:13	MySQL Server: InnoDB storage engine	Closed (3967 days)	S3	5.5	Any	Any	lock_rec_validate_page() may dereference a pointer to a freed lock
68251	2013-02-02 1:09	2013-05-28 6:58	MySQL Server: Replication	Closed (3976 days)	S3	5.6.9	Any	Any	3-way deadlock on semisync replication and binlog rotate
68487	2013-02-25 16:40	2016-08-04 0:39	MySQL Server: Locking	Closed (3849 days)	S3	5.6.10	Any	Any	MDL hash can still be concurrency bottleneck
68506	2013-02-27 7:23	2015-05-08 15:06	MySQL Server: Replication	Closed (3988 days)	S2	5.6.10	Any	Any	Got SIGSEGV on MTS recovery + SQL thread error
68768	2013-03-25 21:28	2013-04-09 14:25	MySQL Server: Performance Schema	Closed (4025 days)	S3		Any	Any	MIN_TIMER_WAIT in events_waits_summary_global_by_event_name overflows
68917	2013-04-10 12:54	2013-04-10 19:32	MySQL Server: Documentation	Closed (4024 days)	S3	5.6.10	Any	Any	document of innodb_sync_array_size seems incorrect
68979	2013-04-17 3:47	2018-07-11 15:11	MySQL Server: Optimizer	Verified (3982 days)	S5	5.6.10	Linux	Any	performance regression of MySQL 5.6.10?
69146	2013-05-05 7:50	2015-06-04 8:02	MySQL Server: InnoDB storage engine	Verified (3240 days)	S5	5.5, 5.6, 5.7	Any	Any	Needless log flush order mutex acquisition in buf_pool_get_oldest_modification
69270	2013-05-17 15:56	2018-04-03 16:17	MySQL Server: InnoDB storage engine	Closed (2205 days)	S3	5.6.11	Any	Any	Needn't execute srv_wake_master_thread while executing drop/truncate table
69276	2013-05-18 19:23	2014-11-05 15:15	MySQL Server: InnoDB storage engine	Verified (3985 days)	S5	5.6.11	Any	Any	fil_system->mutex contention limits block read rate with fast storage
69341	2013-05-29 0:55	2016-04-07 5:46	MySQL Server: Replication	Closed (3938 days)	S5	5.6.11	Any	Any	semi-sync replication is very slow with many clients
69413	2013-06-06 8:09	2013-06-27 18:05	MySQL Server: Documentation	Closed (3946 days)	S3	5.6.12	Any	Any	description of bug#16268289 in the changelog may confuse people
69477	2013-06-14 19:06	2014-09-19 17:06	MySQL Server: InnoDB storage engine	Closed (3613 days)	S2	All	Any	Any	InnoDB: Use of large externally-stored fields makes crash recovery lose data
69653	2013-07-03 5:34	2013-10-01 15:41	MySQL Server: Logging	Closed (3850 days)	S3	5.6	Any	Any	Use of uninitialized pthread_getspecific() key in debug builds
70172	2013-08-28 4:37	2013-10-29 11:50	MySQL Server: InnoDB storage engine	Closed (3822 days)	S5	5.6.13	Any	Any	trx_create() and trx_free() are called at every memcached get request
70218	2013-09-02 21:42	2014-03-28 19:21	MySQL Server: Replication	Closed (3732 days)	S5	5.6.13	Any	Any	Semisync master plugin with many slaves causes plugin_lock mutex contentions
70406	2013-09-24 9:31	2013-09-25 7:28	MySQL Server: InnoDB storage engine	Verified (3856 days)	S3	5.6	Any	Any	buf_pool_get_dirty_pages_count() needs not to lock the buffer pool mutex
70414	2013-09-25 9:31	2013-10-21 16:06	MySQL Server: Replication	Closed (3830 days)	S3	5.6,5.7	Any	Any	redundant code in ReplSemiSyncMaster::updateSyncHeader
70639	2013-10-16 19:36	2014-02-12 22:57	MySQL Server: Locking	Closed (3716 days)	S3	5.5,5.6,5.7	Any	Any	THR_LOCK_mutex is used before being initialized
70768	2013-10-29 22:41	2018-02-15 5:32	MySQL Server: InnoDB storage engine	Closed (3735 days)	S5	5.6.14	Any	Any	Persistent optimizer statistics often causes LOCK_open stalls
70819	2013-11-05 11:55	2014-10-22 15:30	MySQL Server: InnoDB storage engine	Closed (3464 days)	S3	5.6.14	Any	Any	SHOW ENGINE INNODB MUTEX does NOT work with timed_mutex properly
70950	2013-11-19 7:03	2015-06-28 20:45	MySQL Server: InnoDB storage engine	Verified (3800 days)	S5	5.7+	Any	Any	log_sys->mutex is so hot in pure write cases
71092	2013-12-05 13:06	2014-02-10 11:30	MySQL Server: InnoDB storage engine	Closed (3725 days)	S2	5.6.15	Any	Any	InnoDB FTS introduced new mutex sync level in 5.6.15, broke UNIV_SYNC_DEBUG
71289	2014-01-04 15:21	2015-12-10 22:34	MySQL Server: Documentation	Closed (3050 days)	S3	5.6.15	Any	Any	PERFORMANCE_SCHEMA.THREADS table misses port in PROCESSLIST_HOST column
71358	2014-01-13 1:27	2014-04-12 10:51	MySQL Proxy: Core	Verified (3657 days)	S3	0.8.4	Any	Any	mutex required fot network-connection-pool object.
71959	2014-03-06 22:30	2014-03-12 9:58	MySQL Server: Replication	Verified (3688 days)	S2	5.7.2	Any	Any	non blocking SHOW MASTER STATUS / SHOW BINARY LOGS
72286	2014-04-09 8:49	2014-04-10 15:51	MySQL Server	Verified (3660 days)	S3	5.6+	Any	Any	server-system-variables.html and "Dynamic variable" setting is incomplete
72701	2014-05-21 0:45	2014-12-03 15:16	MySQL Server: Command-line Clients	Closed (3457 days)	S5	5.6, *	Linux	Any	mysqlbinlog uses localtime() to print events, causes kernel mutex contention
72754	2014-05-27 2:17	2014-10-24 14:16	MySQL Server: InnoDB storage engine	Closed (3476 days)	S3	5.6	Any	Any	Set thread priority in InnoDB mutex spinloop
72755	2014-05-27 2:22	2016-04-14 0:17	MySQL Server: InnoDB storage engine	Verified (3609 days)	S3	5.6	Any	Any	InnoDB mutex spin loop is missing GCC barrier
72805	2014-05-30 6:17	2015-04-29 0:14	MySQL Server: Compiling	Closed (3275 days)	S3	5.7.7	Any	Any	mutex_delay() creating excess memory traffic, GCC mem barrier needed
72809	2014-05-30 7:20	2014-12-10 13:03	MySQL Server: InnoDB storage engine	Closed (3500 days)	S2	5.6, 5.7	Any	Any	InnoDB Linux native aio setup missing barrier after setup
73109	2014-06-25 8:38	2014-10-23 12:43	MySQL Server: InnoDB storage engine	Closed (3500 days)	S3	5.7.4	Any	Any	unnecessary redo log writing occasionally in function log_write_up_to
73168	2014-07-02 4:14	2015-02-25 10:51	MySQL Server: InnoDB storage engine	Verified (3576 days)	S5	5.6/5.7	Any	Any	locking/unlocking overhead for THD::LOCK_thd_data
73246	2014-07-09 16:18	2015-02-19 16:06	MySQL Utilities: Binlog Events	Closed (3344 days)	S2	5.7	Any	Any	Shutdown after heuristic crash recovery locks mutex twice instead of unlocking
73361	2014-07-23 4:38	2015-04-27 8:37	MySQL Server: InnoDB storage engine	Closed (3375 days)	S5	5.6.19	Any	Any	mutex contention caused by dummy table/index creation/free
73903	2014-09-12 8:34	2014-10-30 23:55	MySQL Cluster: Replication	Closed (3456 days)	S5	All	Any	Any	Optimize the log_lock mutex for mysql_binlog_send call
74011	2014-09-22 12:27	2014-10-22 21:55	MySQL Cluster: Cluster (NDB) storage engine	Closed (3469 days)	S1	7.3.6	Any	Any	Race condition between ::performReceive and ::update_connections()
74280	2014-10-08 16:41	2014-10-10 13:50	MySQL Server: InnoDB storage engine	Verified (3476 days)	S5	5.7.5	Any	Any	covering secondary scans worse than PK scan at high concurrency
74832	2014-11-13 5:54	2017-10-01 13:59	MySQL Server: InnoDB storage engine	Closed (3024 days)	S3	5.7.7	Any	Any	ut_delay missing compiler barrier, UT_RELAX_CPU isn't at all relaxing
74849	2014-11-14 3:07	2014-11-21 15:10	MySQL Server: Options	Closed (3434 days)	S3	5.7.5	Any	Any	default_password_lifetime is volatile, doesn't need to be - protected by mutex
75014	2014-11-26 21:41	2017-06-14 8:26	MySQL Server: Replication	Closed (3274 days)	S3	5.7	Any	Any	gtid_executed table compression thread may not wake up
75388	2015-01-01 20:29	2015-06-02 14:45	MySQL Server: Documentation	Closed (3241 days)	S3	5.6, 5.7	Any	Any	Manual does not really explain how to get information on InnoDB mutexes from P_S
75534	2015-01-16 19:28	2017-02-27 13:36	MySQL Server: InnoDB storage engine	Closed (2605 days)	S5		Any	Any	Solve buffer pool mutex contention by splitting it
75590	2015-01-22 22:39	2018-12-01 6:12	MySQL Server: Locking	Verified (1980 days)	S3	5.6	Any	Any	SHOW VARIABLES WHERE ... materializes all variables into bigass temptable
75640	2015-01-27 4:50	2015-01-27 7:58	MySQL Server: DML	Verified (3367 days)	S3	5.6.21-debug, 5.6.24	Linux (CentOS 7)	Any	Failing assertion: array->n_elems < array->max_elems in sync_thread_add_level
75842	2015-02-10 15:06	2015-04-07 21:03	MySQL Server: InnoDB storage engine	Closed (3340 days)	S3	5.7	Any	Any	static SyncDebug syncDebug;
76460	2015-03-23 13:01	2015-04-08 13:31	MySQL Server: Optimizer	Closed (3296 days)	S3	5.7.5	Any	Any	Cost constant cache's mutex not instrumented by performance schema
76509	2015-03-27 14:45	2015-04-06 23:36	MySQL Server: Parser	Closed (3305 days)	S3	5.7	Any	Any	use atomics to avoid MUTEX CONTENTION ON LOCK_PLUGIN DUE TO QUERY REWRITE FRAMEW
76686	2015-04-14 9:14	2016-09-02 16:24	MySQL Server: Replication	Verified (3066 days)	S3	5.7	Any	Any	reduce mutex contention of LOCK_done during Group Commit
76728	2015-04-17 4:48	2016-06-07 8:56	MySQL Server: InnoDB storage engine	Closed (2874 days)	S3	5.7.7	Any	Any	reduce lock_sys->mutex contention for transaction that only contains SELECT
76821	2015-04-24 10:36	2016-02-08 12:45	MySQL Cluster: Cluster (NDB) storage engine	Closed (3259 days)	S3	7.2.21	Any	Any	WatchDog detects no progress in send thread and kills datanode
77094	2015-05-19 13:13	2018-10-09 14:11	MySQL Server: InnoDB storage engine	Closed (2793 days)	S3	5.7.7	Any	Any	Reduce log_sys->mutex contention by allowing concurrent mtr commit and log write
77225	2015-06-02 13:08	2016-02-08 12:46	MySQL Cluster: NDB API	Closed (3235 days)	S2	7.3.9	Any	Any	Signals delivered to incorrect or garbled 'trp_client' -> Client crash or hangs
77314	2015-06-11 11:28	2015-06-29 18:17	MySQL Server: InnoDB storage engine	Closed (3214 days)	S3	5.7.7-rc	Linux	Any	Missing mutex metrics in 5.7.7
77717	2015-07-14 11:23	2016-06-18 21:26	Tests: Server	Closed (3067 days)	S3	8.0	Any	Any	perfschema.no_threads : fails sporadically on daily-trunk
77862	2015-07-28 18:10	2015-08-11 15:44	MySQL Server: Locking	Closed (3171 days)	S3	5.7.7, 5.7.9	Linux	Any	data race on safe mutex mp->file
79311	2015-11-17 11:25	2016-02-08 12:43	MySQL Cluster: Cluster (NDB) storage engine	Closed (3066 days)	S3	7.2.22	Any	Any	NDB binlog injector use incorrect mutex in condition signaling
79477	2015-12-01 10:36	2016-12-02 14:53	MySQL Server: InnoDB storage engine	Verified (2692 days)	S3		Any	Any	Remove sync_arr_wake_threads_if_sema_free hack
79510	2015-12-03 16:41	2016-05-25 17:59	MySQL Server: C API (client library)	Closed (2883 days)	S2	5.6 and 5.7	Any	Any	mysql_real_connect is not thread safe
79665	2015-12-16 10:50	2017-05-31 20:02	MySQL Server: Documentation	Closed (2512 days)	S3	any	Any	Any	Manual does NOT explain locks set by INSERT ... ON DUPLICATE KEY UPDATE properly
79703	2015-12-18 12:54	2016-06-29 12:36	MySQL Server: InnoDB storage engine	Closed (2848 days)	S3	5.6,5.7	Any	Any	Spin rounds per wait will be negative in InnoDB status if spin waits > max32int
79784	2015-12-28 6:50	2016-01-21 15:06	MySQL Server: Performance Schema	Closed (3008 days)	S3	5.6.24 5.7.10	Any	Any	update setup_instruments do not affect the global mutex/rwlock/cond
80060	2016-01-19 23:43	2017-09-27 19:45	MySQL Server: InnoDB storage engine	Closed (2651 days)	S5	5.6.*	Any	Any	Concurrent TRUNCATE TABLEs cause stalls
80234	2016-02-02 11:58	2016-02-19 17:55	MySQL Server: C API (client library)	Closed (2983 days)	S2	5.7	Any	Any	Client library fails to close handle on mutex used by shared memory connections
80354	2016-02-12 14:26	2019-07-10 18:15	MySQL Server: InnoDB storage engine	Closed (1742 days)	S5	5.6, 5.7	Any	Any	Cache line contention on ut_rnd_ulint_counter
80359	2016-02-13 15:47	2017-01-25 23:24	MySQL Workbench	Closed (2638 days)	S2	6.3	MacOS (El Capitan)	Any	Mac OS X (el capitan). Workbench 6.3 crashes when I try to add connection w/ SSH
81134	2016-04-19 6:51	2016-05-23 23:37	MySQL Cluster: Cluster (NDB) storage engine	Closed (2906 days)	S3	7.5.2	Any	Any	TransporterFacade useless usage of dynamic memory
81304	2016-05-04 8:41	2016-06-13 13:02	MySQL Cluster: Cluster (NDB) storage engine	Closed (2877 days)	S3	7.5.2	Any	Any	ndbcluster ndb_mutex_t wrapper
81868	2016-06-15 17:06	2016-06-17 13:00	MySQL Server: Tests	Closed (2860 days)	S3	5.7.13	Any	Any	pfs_instr-oom unit test fails on MySQL Server 5.7.13
83079	2016-09-21 13:16	2019-01-10 14:59	MySQL Server: InnoDB storage engine	Closed (2549 days)	S2	5.7	Any	Any	long semaphore wait often resulting in crash, DICT_SYS mutex held by statistics
83375	2016-10-13 16:26	2016-10-28 20:03	MySQL Server: InnoDB storage engine	Closed (2727 days)	S3	5.7	Linux	Any	Incorrect argument is passed by InnoDB to syscall(SYS_futex)
83529	2016-10-25 13:15	2018-03-29 13:04	MySQL Server: InnoDB storage engine	Closed (2210 days)	S3	8.0	Any	ARM	InnoDB mutex bs: duplicate code block
83532	2016-10-25 14:11	2018-02-18 18:29	MySQL Server: InnoDB storage engine	Verified (2696 days)	S3	8.0	Any	ARM	InnoDB mutex bs: memory barriers
83708	2016-11-06 17:38	2020-03-18 17:21	MySQL Server: DDL	Closed (1490 days)	S3	5.7	Any	Any	uint expression is used for the value that is passed as my_off_t for DDL log
85205	2017-02-27 13:09	2017-03-01 15:23	MySQL Server: InnoDB storage engine	Verified (2603 days)	S3	8.0.0	Any	Any	A follow-up fix for buffer pool mutex split patch might be suboptimal, commit 1
85208	2017-02-27 13:35	2017-03-01 15:26	MySQL Server: InnoDB storage engine	Verified (2603 days)	S3	8.0.0	Any	Any	A follow-up fix for buffer pool mutex split patch might be suboptimal, commit 2
85304	2017-03-04 8:26	2017-09-02 12:52	MySQL Server: InnoDB storage engine	Verified (2418 days)	S3	5.7	Any	Any	Reduce mutex contention of fil_system->mutex
85394	2017-03-10 1:59	2017-03-10 17:56	MySQL Server: InnoDB storage engine	Verified (2594 days)	S3	5.7.17	Any	Any	Some confusing code in function row_vers_build_for_semi_consistent_read
86607	2017-06-07 9:38	2017-11-07 17:35	MySQL Server: InnoDB storage engine	Closed (2352 days)	S3	MySQL 5.6, 5.7, 5.6.36, 5.7.18	Red Hat	Any	InnoDB crashed when master thread evict dict_table_t object
87068	2017-07-14 10:08	2017-08-23 0:00	MySQL Server: Compiling	Closed (2428 days)	S3	8.0.3	Any	Any	always enable safe_mutex in debug builds, make memcached ubsan clean
87827	2017-09-21 14:09	2023-11-02 6:39	MySQL Server: InnoDB storage engine	Closed (2279 days)	S5	8.0.3	Any	Any	Performance regression in "create table" speed and scalability in 8.0.3
87933	2017-10-02 4:06	2018-12-12 21:04	MySQL Server: InnoDB storage engine	Verified (1952 days)	S2	5.7.19	CentOS	ARM	Scalibility issue on Arm platform with the current UT_RELAX_CPU () code.
88399	2017-11-08 8:39	2018-02-18 18:29	MySQL Server: InnoDB storage engine	Verified (2309 days)	S5	5.7,8.0	Linux	ARM	Using CAS for trylock in place of TAS for EventMutex (arm64)
88422	2017-11-09 12:20	2017-11-14 14:42	MySQL Server: InnoDB storage engine	Verified (2345 days)	S2	5.7.19	Any	Any	MySQL 5.7 innodb purge thread get oldest readview could block other transaction
88572	2017-11-21 2:27	2017-11-24 5:29	MySQL Server	Closed (2336 days)	S3	Current	Windows (7)	Any	It seems Fetch is not a thread safe on windows 7
88693	2017-11-29 9:53	2018-05-21 11:40	MySQL Server	Closed (2329 days)	S1	5.7.17	Any	Any	Mutex deadlock causing mysqld to hang and cease to work
89101	2018-01-04 1:52	2020-03-30 12:12	MySQL Server: DML	Verified (2280 days)	S2	5.7.20	Any	Any	MySQL server hang when gtid_mode=on and innodb_thread_concurrency>0
89127	2018-01-07 14:12	2018-03-09 22:31	MySQL Server: InnoDB storage engine	Closed (2269 days)	S3	8.0	Any	Any	Optimize trx_rw_is_active() by tracking the lowest active transaction id
89421	2018-01-25 16:42	2018-06-20 11:11	MySQL Server: Replication	Closed (2127 days)	S3	5.7	Any	Any	Missing mutex_unlock in Slave_reporting_capability::va_report
89637	2018-02-13 1:38	2018-11-20 22:16	MySQL Server: Logging	Closed (2010 days)	S3	8.0.4	Any	Any	Contribution by Facebook: Slow Query Log Changes
91509	2018-06-30 5:50	2018-07-03 9:51	MySQL Server: Documentation	Closed (2114 days)	S3	5.5.60	Any	Any	gethostbyaddr_r() and gethostbyname_r() are no longer used
91671	2018-07-17 2:08	2018-11-27 12:05	MySQL Server: Group Replication	Closed (1967 days)	S3	5.7.22	Any	Any	stop slave sql_thread for channel 'group_replication_applier' could not return
91759	2018-07-23 6:43	2018-07-26 11:20	MySQL Server: InnoDB storage engine	Closed (2091 days)	S5	5.7	CentOS	ARM	Simplified away ReadView::complete()
91977	2018-08-11 3:57	2023-12-09 19:04	MySQL Server: InnoDB storage engine	Verified	S2	5.7.17	Any	Any	Dropping Large Table Causes Semaphore Waits; No Other Work Possible
92040	2018-08-16 10:45	2018-08-29 18:15	MySQL Server: Compiling	Closed (2057 days)	S3	8.0.14	Any	Any	TSAN: Data race in safe_mutex implementation
92133	2018-08-22 17:43	2022-11-24 15:40	MySQL Server: Data Dictionary	Verified (1998 days)	S5	8.0.12	Any	Any	DICT_SYS mutex contention causes complete stall when running with 40 mill tables
94610	2019-03-08 19:09	2020-08-05 0:00	MySQL Server: DDL	Verified (1350 days)	S5	5.6.41	CentOS (7.5)	x86	Server stalls because ALTER TABLE on partitioned table holds dict mutex
95115	2019-04-24 17:16	2019-07-18 13:18	MySQL Server: Replication	Closed (1734 days)	S1	5.7.24	CentOS (CentOS Linux release 7.6.1810 (Core))	x86 (x86_64, ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked (uses shared libs)	mysqld deadlock of all client threads originating from 3-way deadlock
95122	2019-04-25 7:03	2019-04-25 13:54	MySQL Server: InnoDB storage engine	Verified (1818 days)	S3	5.6, 5.7	Any	Any	No need to get log_sys->log_flush_order_mutex during InnoDB crash recovery
95223	2019-05-02 12:57	2019-07-17 12:23	MySQL Server: Locking	Closed (1736 days)	S3	8.0.15	Any	Any	Locking loop between LOCK_event_queue and event MDL lock
95491	2019-05-23 11:23	2019-06-05 11:48	MySQL Server: InnoDB storage engine	Verified (1780 days)	S5	ALL	Any	Any	The unused wake up in simulator AIO of function reserve_slot
96224	2019-07-17 3:12	2022-06-16 3:01	MySQL Server: InnoDB storage engine	Closed (1639 days)	S1	8.0.16	CentOS	x86	The MTR case innodb.innodb_corrupt_bit get a randomly coredump
96374	2019-07-30 6:53	2021-05-31 16:29	MySQL Server: InnoDB storage engine	Closed (1051 days)	S3	8.0.16 8.0.17 5.7.25	Any	Any	binlog rotation deadlock when innodb concurrency limit setted
96874	2019-09-14 10:38	2019-09-25 14:06	MySQL Server: InnoDB storage engine	Verified (1665 days)	S5		Any	Any	The write_notifier_mutex in log_sys is useless
97352	2019-10-24 6:18	2019-12-13 19:34	MySQL Server: InnoDB storage engine	Closed (1586 days)	S1	8.0.17	Any	Any	MySQL hangs with DROP UNDO TABLESPACE and ALTER INSTANCE ROTATE MASTER KEY
97825	2019-11-28 9:27	2020-03-10 13:01	MySQL Server: InnoDB storage engine	Closed (1499 days)	S3	8.0.18	Any	Any	dd_mdl_acquire in dd_table_open with dict_sys->mutex hold may cause deadlock
97955	2019-12-11 4:26	2019-12-11 11:28	MySQL Server: Replication	Verified (1588 days)	S2	5.6/5.7/8.0, 8.0.18	Any	Any	Multi 'show binary logs' statement may block transaction commit
98546	2020-02-11 6:38	2020-02-12 15:20	MySQL Server: InnoDB storage engine	Verified (1525 days)	S5	8, 5.7	Any	Any	Transient indexes statistics are updated in foreground causing performance issue
98945	2020-03-13 17:57	2020-03-20 12:59	MySQL Server: Documentation	Closed (1489 days)	S3	8.0.*	Any	Any	show engine innodb mutex contain mutex of buffer pool blocks
99021	2020-03-22 9:22	2020-07-07 12:25	MySQL Server: InnoDB storage engine	Closed (1485 days)	S3	8.0.19	Any	Any	BUF_REMOVE_ALL_NO_WRITE is not needed for undo tablespace
99094	2020-03-27 4:52	2020-03-27 10:38	MySQL Server: Information schema	Verified (1481 days)	S1	8.0, 8.0.19	Any	Any	coredump when install information schema plugin
99638	2020-05-20 0:53	2020-12-04 12:54	MySQL Server: InnoDB storage engine	Closed (1230 days)	S5	8.0.18	Any	Any	xa transaction with low performance
100132	2020-07-07 5:13	2020-10-20 6:55	MySQL Server: InnoDB storage engine	Closed (1302 days)	S5	8.0.20	Any	ARM	Using optimal memory-barrier (in form of acquire/release) for event-mutex
100383	2020-07-30 15:34	2020-09-21 12:55	MySQL Server: InnoDB storage engine	Verified (1323 days)	S5	8.0	Any	Any	Improve InnoDB buffer pool initialization
101200	2020-10-16 3:25	2020-10-17 1:19	MySQL Server: InnoDB storage engine	Verified (1278 days)	S5	8.0	Any	Any	All commits are unnecessarily blocked for more than 1ms at binlog rotate
102289	2021-01-19 6:06	2021-01-20 13:32	MySQL Server: InnoDB storage engine	Verified (1182 days)	S5	5.7, 8.0	Any	Any	buf_flush_or_remove_pages causes large tps fluctuation with write-heavy workload
102306	2021-01-20 6:36	2021-01-20 6:54	MySQL Server: DDL	Verified (1182 days)	S1	8.0	Any	Any	Improper locking in alter_part_normal::try_commit
103275	2021-04-12 5:41	2024-03-06 14:56	MySQL Server: Memcached	Verified (1091 days)	S2	8.0.23, 8.0.24	Any	Any	MySQL starup hangs when used with memcached
103391	2021-04-21 4:24	2021-05-14 13:03	MySQL Server: InnoDB storage engine	Closed (1068 days)	S3	8.0.24	Any	Any	buf_get_LRU_mutex can be optimized for flushing from FLUSH_LIST
103620	2021-05-07 8:31	2021-05-08 3:48	MySQL Server: InnoDB storage engine	Verified (1074 days)	S3	8.0.24	Any	Any	No need to acquire shard mutex if setting to O_DIRECT_NO_FSYNC
103646	2021-05-11 6:25	2021-05-24 8:03	MySQL Server: InnoDB Plugin storage engine	Verified (1058 days)	S5	8.0	Any	Any	This judgment(trx->no < m_low_limit_no) in ReadView::prepare is not necessary
104566	2021-08-08 10:04	2021-11-07 18:49	MySQL Server: Replication	Closed (891 days)	S1	8.0.25	Any	Any	show slave hosts maybe crash
104639	2021-08-17 7:16	2021-08-18 12:33	MySQL Server: InnoDB storage engine	Verified (972 days)	S5	8.0	Any	Any	Simplify the purge_sys->read_view creation to reduce mutex contention
104982	2021-09-18 8:02	2021-09-18 8:04	MySQL Server	Closed (941 days)	S2	8.0.19	Any	Any	long wait for log_wait_for_flush
105914	2021-12-16 6:48	2021-12-17 3:25	MySQL Server: InnoDB storage engine	Verified (851 days)	S3	5.7	Any	Any	some undo logs may be truncated, but were not be purged
106953	2022-04-08 6:42	2022-06-14 8:27	MySQL Server: Locking	Verified (672 days)	S3	5.7	Linux	Any	LOCK_grant and LOCK_open can deadlock on a gtid slave
107858	2022-07-13 7:14	2022-08-22 22:40	MySQL Server: InnoDB storage engine	Closed (603 days)	S3	5.7	Any	Any	truncate table not free mutex in some case
110402	2023-03-16 21:04	2023-03-27 17:09	MySQL Server: InnoDB storage engine	Verified (386 days)	S5	8.0	Any	Any	The parallel tablespace scan in 8.0 doesn't work as expected
110494	2023-03-24 13:04	2023-05-18 12:45	MySQL Server: DML	Closed (334 days)	S2	8.0	Any	Any	Deadlock between FLUSH STATUS, COM_CHANGE_USER and SELECT FROM I_S.PROCESSLIST
110578	2023-03-31 12:43	2024-03-19 10:58	MySQL Server: InnoDB storage engine	Verified (382 days)	S5	8.0	Any	Any	optimize for prefetch trx sys page
113312	2023-12-01 22:48	2024-02-08 13:18	MySQL Server: InnoDB storage engine	Verified (68 days)	S2	8.0.35, 8.1.0	Any	Any	Server stall during Alter/Drop table while clearing AHIs from the buffer pool
113665	2024-01-17 14:06	2024-01-23 11:39	MySQL Server: Tests	Verified (84 days)	S3	8.0.36, 8.3.0	MacOS (12.4.1)	ARM	perfschema.relaylog fails with a result difference

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