Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Fixed
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10.0(EOL), 10.1(EOL)
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None
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10.1.13
Description
main.delayed w4 [ fail ] timeout after 900 seconds
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Test ended at 2016-02-18 03:34:18
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Test case timeout after 900 seconds
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== /run/shm/var/4/log/delayed.log ==
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INSERT DELAYED INTO t2 VALUES (1);
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ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
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UNLOCK TABLES;
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# Connection default
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# Reaping: INSERT DELAYED INTO t1 VALUES (1)
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UNLOCK TABLES;
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# Test 2: Using ALTER TABLE
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START TRANSACTION;
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SELECT * FROM t1 WHERE a=0;
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a
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# Connection con1
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# Sending:
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ALTER TABLE t1 COMMENT 'test';
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# Connection default
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# Wait until ALTER TABLE is blocked on table 't1'.
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INSERT DELAYED INTO t1 VALUES (3);
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ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
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COMMIT;
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# Connection con1
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# Reaping: ALTER TABLE t1 COMMENT 'test'
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== /run/shm/var/4/tmp/analyze-timeout-mysqld.1.err ==
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mysqltest: Could not open connection 'default' after 500 attempts: 2002 Can't connect to local MySQL server through socket '/run/shm/var/tmp/4/mysqld.1.sock' (111 "Connection refused")
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I got the same problem by running this test alone with --repeat=100 on 10.0.24.
MariaDB [test]> show processlist;
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+------+---------+-----------------+------+---------+------+---------------------------------+-------------------------------+----------+
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| Id | User | Host | db | Command | Time | State | Info | Progress |
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+------+---------+-----------------+------+---------+------+---------------------------------+-------------------------------+----------+
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| 1303 | root | localhost | test | Sleep | 297 | | NULL | 0.000 |
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| 1318 | root | localhost | test | Query | 297 | Waiting for table metadata lock | ALTER TABLE t1 COMMENT 'test' | 0.000 |
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| 1319 | DELAYED | localhost | test | Killed | 297 | Waiting for table level lock | | 0.000 |
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| 1320 | root | localhost:40374 | test | Query | 0 | init | show processlist | 0.000 |
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+------+---------+-----------------+------+---------+------+---------------------------------+-------------------------------+----------+
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4 rows in set (0.00 sec)
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Thread 3 (Thread 0x7f3358feb700 (LWP 13595)):
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#0 0x00007f3358466408 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
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#1 0x000000000069a0d5 in inline_mysql_cond_timedwait (abstime=<optimized out>, mutex=<optimized out>, that=0x7f3351fe6130, src_file=<optimized out>, src_line=<optimized out>) at /home/buildbot/buildbot/build/include/mysql/psi/mysql_thread.h:1191
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#2 MDL_wait::timed_wait (this=this@entry=0x7f3351fe6100, owner=0x7f3351fe60b8, abs_timeout=abs_timeout@entry=0x7f3358fe6c20, set_status_on_timeout=set_status_on_timeout@entry=false, wait_state_name=<optimized out>) at /home/buildbot/buildbot/build/sql/mdl.cc:1435
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#3 0x000000000069b130 in MDL_context::acquire_lock (this=this@entry=0x7f3351fe6100, mdl_request=mdl_request@entry=0x7f3358fe6c80, lock_wait_timeout=lock_wait_timeout@entry=31536000) at /home/buildbot/buildbot/build/sql/mdl.cc:2375
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#4 0x000000000069b97e in MDL_context::upgrade_shared_lock (this=this@entry=0x7f3351fe6100, mdl_ticket=0x7f334fc0f080, new_type=new_type@entry=MDL_EXCLUSIVE, lock_wait_timeout=31536000) at /home/buildbot/buildbot/build/sql/mdl.cc:2568
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#5 0x0000000000587fd6 in wait_while_table_is_used (thd=thd@entry=0x7f3351fe6008, table=table@entry=0x7f335005b408, function=function@entry=HA_EXTRA_PREPARE_FOR_RENAME) at /home/buildbot/buildbot/build/sql/sql_base.cc:1834
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#6 0x00000000006521ac in mysql_inplace_alter_table (alter_ctx=0x7f32ffffffc6, inplace_supported=HA_ALTER_INPLACE_NO_LOCK, ha_alter_info=0x7f3358fe7020, altered_table=0x7f334fcd5008, table=0x7f335005b408, table_list=0x7f334fc10108, thd=0x7f3351fe6008, target_mdl_request=<optimized out>) at /home/buildbot/buildbot/build/sql/sql_table.cc:7081
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#7 mysql_alter_table (thd=0x7f3300000006, thd@entry=0x7f3351fe6008, new_db=<optimized out>, new_name=<optimized out>, create_info=0x7f3354bfac08, create_info@entry=0x7f3358fe88a0, table_list=table_list@entry=0x7f334fc10108, alter_info=0x7f3354bfac08, alter_info@entry=0x7f3358fe8810, order_num=0, order=0x0, ignore=false) at /home/buildbot/buildbot/build/sql/sql_table.cc:8866
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#8 0x00000000006951d1 in Sql_cmd_alter_table::execute (this=<optimized out>, thd=0x7f3351fe6008) at /home/buildbot/buildbot/build/sql/sql_alter.cc:312
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#9 0x00000000005cbb88 in mysql_execute_command (thd=thd@entry=0x7f3351fe6008) at /home/buildbot/buildbot/build/sql/sql_parse.cc:5125
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#10 0x00000000005d0897 in mysql_parse (thd=thd@entry=0x7f3351fe6008, parser_state=parser_state@entry=0x7f3358fea5d0, length=<optimized out>, rawbuf=<optimized out>) at /home/buildbot/buildbot/build/sql/sql_parse.cc:6565
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#11 0x00000000005d2cb8 in dispatch_command (command=COM_QUERY, thd=0x7f3351fe6008, packet=0x7f334fc10020 "ALTER TABLE t1 COMMENT 'test'", packet_length=29) at /home/buildbot/buildbot/build/sql/sql_parse.cc:1780
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#12 0x00000000005d2e53 in do_command (thd=<optimized out>) at /home/buildbot/buildbot/build/sql/sql_parse.cc:998
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#13 0x00000000006918f3 in do_handle_one_connection (thd_arg=thd_arg@entry=0x7f3351fe6008) at /home/buildbot/buildbot/build/sql/sql_connect.cc:1377
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#14 0x00000000006919c2 in handle_one_connection (arg=arg@entry=0x7f3351fe6008) at /home/buildbot/buildbot/build/sql/sql_connect.cc:1292
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#15 0x0000000000a7425d in pfs_spawn_thread (arg=0x7f335703f808) at /home/buildbot/buildbot/build/storage/perfschema/pfs.cc:1860
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#16 0x00007f33584620a4 in start_thread () from /lib64/libpthread.so.0
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#17 0x00007f3357b1504d in clone () from /lib64/libc.so.6
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Thread 2 (Thread 0x7f3358fa2700 (LWP 13596)):
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#0 0x00007f3358466408 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
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#1 0x0000000000bc54c1 in inline_mysql_cond_timedwait (abstime=0x7f3358fa1c10, mutex=0x7f334fc478a0, that=0x7f334f80e108, src_file=<optimized out>, src_line=<optimized out>) at /home/buildbot/buildbot/build/include/mysql/psi/mysql_thread.h:1191
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#2 wait_for_lock (data=data@entry=0x7f334fc13e68, in_wait_list=in_wait_list@entry=1 '\001', lock_wait_timeout=lock_wait_timeout@entry=31536000, wait=0x7f334fc478f0) at /home/buildbot/buildbot/build/mysys/thr_lock.c:570
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#3 0x0000000000bc6b6f in thr_upgrade_write_delay_lock (data=0x7f334fc13e68, new_lock_type=TL_WRITE, lock_wait_timeout=31536000) at /home/buildbot/buildbot/build/mysys/thr_lock.c:1493
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#4 0x00000000005b6eea in Delayed_insert::handle_inserts (this=this@entry=0x7f335023c008) at /home/buildbot/buildbot/build/sql/sql_insert.cc:3042
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#5 0x00000000005b8354 in handle_delayed_insert (arg=arg@entry=0x7f335023c008) at /home/buildbot/buildbot/build/sql/sql_insert.cc:2932
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#6 0x0000000000a7425d in pfs_spawn_thread (arg=0x7f3350183808) at /home/buildbot/buildbot/build/storage/perfschema/pfs.cc:1860
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#7 0x00007f33584620a4 in start_thread () from /lib64/libpthread.so.0
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#8 0x00007f3357b1504d in clone () from /lib64/libc.so.6
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From buildbot history it seems that the problem was introduced recently, possibly by this push:
http://buildbot.askmonty.org/buildbot/builders/kvm-tarbake-jaunty-x86/builds/9663
I did not check if it's indeed so, though.