Details
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Bug
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Status: Closed (View Workflow)
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Critical
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Resolution: Fixed
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10.5, 10.1(EOL), 10.2(EOL), 10.3(EOL), 10.4(EOL)
Description
--source include/have_innodb.inc
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CREATE TABLE t1 (a INT) ENGINE=InnoDB; |
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--connect (con1,localhost,root,,test)
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LOCK TABLE t1 WRITE; |
--let $conid= `SELECT CONNECTION_ID()`
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--send
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ALTER TABLE t1 ADD COLUMN b INT; |
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--connection default
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eval KILL $conid;
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# Cleanup
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DROP TABLE t1; |
10.4 2d4b6571 |
mysqld: /data/src/10.4/sql/sql_base.cc:2455: void Locked_tables_list::unlock_locked_tables(THD*): Assertion `thd->transaction.stmt.is_empty()' failed.
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200114 13:50:15 [ERROR] mysqld got signal 6 ;
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#7 0x00007ff8cad17f12 in __GI___assert_fail (assertion=0x55779cd65850 "thd->transaction.stmt.is_empty()", file=0x55779cd64fd0 "/data/src/10.4/sql/sql_base.cc", line=2455, function=0x55779cd67280 <Locked_tables_list::unlock_locked_tables(THD*)::__PRETTY_FUNCTION__> "void Locked_tables_list::unlock_locked_tables(THD*)") at assert.c:101
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#8 0x000055779bfdb370 in Locked_tables_list::unlock_locked_tables (this=0x7ff870004860, thd=0x7ff870000af0) at /data/src/10.4/sql/sql_base.cc:2455
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#9 0x000055779bfdb7b3 in Locked_tables_list::unlink_all_closed_tables (this=0x7ff870004860, thd=0x7ff870000af0, lock=0x0, reopen_count=0) at /data/src/10.4/sql/sql_base.cc:2634
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#10 0x000055779bfdba52 in Locked_tables_list::reopen_tables (this=0x7ff870004860, thd=0x7ff870000af0, need_reopen=false) at /data/src/10.4/sql/sql_base.cc:2688
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#11 0x000055779c172e9e in mysql_alter_table (thd=0x7ff870000af0, new_db=0x7ff8700052b0, new_name=0x7ff8700056b8, create_info=0x7ff8c409bcf0, table_list=0x7ff870011ec0, alter_info=0x7ff8c409bc30, order_num=0, order=0x0, ignore=false) at /data/src/10.4/sql/sql_table.cc:10397
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#12 0x000055779c20a341 in Sql_cmd_alter_table::execute (this=0x7ff8700126a8, thd=0x7ff870000af0) at /data/src/10.4/sql/sql_alter.cc:508
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#13 0x000055779c088d95 in mysql_execute_command (thd=0x7ff870000af0) at /data/src/10.4/sql/sql_parse.cc:6102
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#14 0x000055779c08e457 in mysql_parse (thd=0x7ff870000af0, rawbuf=0x7ff870011dd8 "ALTER TABLE t1 ADD COLUMN b INT", length=31, parser_state=0x7ff8c409d160, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:7901
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#15 0x000055779c0795fc in dispatch_command (command=COM_QUERY, thd=0x7ff870000af0, packet=0x7ff8700083a1 "ALTER TABLE t1 ADD COLUMN b INT", packet_length=31, is_com_multi=false, is_next_command=false) at /data/src/10.4/sql/sql_parse.cc:1842
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#16 0x000055779c077c89 in do_command (thd=0x7ff870000af0) at /data/src/10.4/sql/sql_parse.cc:1360
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#17 0x000055779c200c51 in do_handle_one_connection (connect=0x5577a04668e0) at /data/src/10.4/sql/sql_connect.cc:1412
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#18 0x000055779c2009a0 in handle_one_connection (arg=0x5577a04668e0) at /data/src/10.4/sql/sql_connect.cc:1316
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#19 0x000055779cc06b0d in pfs_spawn_thread (arg=0x5577a03d3360) at /data/src/10.4/storage/perfschema/pfs.cc:1862
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#20 0x00007ff8ccca04a4 in start_thread (arg=0x7ff8c409e700) at pthread_create.c:456
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#21 0x00007ff8cadd4d0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
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Reproducible with 10.1-10.5.
The test case fails for me every time, but it still involves a race condition, so try to run with --repeat=N if it doesn't fail right away.
No obvious problem on a non-debug build.
Attachments
Issue Links
- is caused by
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MDEV-5587 Server crashes in Locked_tables_list::restore_lock on CREATE OR REPLACE .. SELECT under LOCK
- Closed