Details
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Bug
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Status: Closed (View Workflow)
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Critical
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Resolution: Duplicate
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5.5.48
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None
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Linux
MySQL 5.7
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10.1.12, 10.2.0-6, 10.2.1-3, 10.2.1-4, 5.5.50, 10.2.2-1, 10.2.2-2, 10.2.2-3, 5.5.54
Description
22:08:01 UTC - mysqld got signal 11 ;
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This could be because you hit a bug. It is also possible that this binary
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or one of the libraries it was linked against is corrupt, improperly built,
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or misconfigured. This error can also be caused by malfunctioning hardware.
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Attempting to collect some information that could help diagnose the problem.
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As this is a crash and something is definitely wrong, the information
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collection process might fail.
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key_buffer_size=10485760
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read_buffer_size=131072
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max_used_connections=67
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max_threads=480
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thread_count=66
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connection_count=66
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It is possible that mysqld could use up to
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key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 200961 K bytes of memory
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Hope that's ok; if not, decrease some variables in the equation.
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Thread pointer: 0x7f66f4012160
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Attempting backtrace. You can use the following information to find out
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where mysqld died. If you see no messages after this, something went
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terribly wrong...
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stack_bottom = 7f67f006ae28 thread_stack 0x40000
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xxxx/bin/mysqld(my_print_stacktrace+0x35)[0xebb645]
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xxxx/bin/mysqld(handle_fatal_signal+0x4a4)[0x76e6e4]
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/lib64/libpthread.so.0(+0xf790)[0x7f683163e790]
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xxxx/lib/plugin/server_audit-1.4.0-linux-64.so(+0x4a28)[0x7f67ffd9da28]
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xxxx/lib/plugin/server_audit-1.4.0-linux-64.so(logger_write+0x68)[0x7f67ffd9db48]
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xxxx/lib/plugin/server_audit-1.4.0-linux-64.so(+0x4be7)[0x7f67ffd9dbe7]
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xxxx/lib/plugin/server_audit-1.4.0-linux-64.so(auditing+0x829)[0x7f67ffd9ed79]
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xxxx/lib/plugin/server_audit-1.4.0-linux-64.so(+0x709d)[0x7f67ffda009d]
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xxxx/bin/mysqld[0x76f50f]
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xxxx/bin/mysqld(_Z18mysql_audit_notifyP3THD33mysql_event_connection_subclass_tPKci+0x191)[0x76fe11]
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xxxx/5.7.9/bin/mysqld(handle_connection+0x79)[0xd75289]
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xxxx/5.7.9/bin/mysqld(pfs_spawn_thread+0x174)[0xf18334]
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/lib64/libpthread.so.0(+0x7a51)[0x7f6831636a51]
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/lib64/libc.so.6(clone+0x6d)[0x7f683039f93d]
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For the test I'm just using Sysbench with parallel_prepare.lua, 40 tables,
1 million rows per table, 10 minute tests. Thread levels run
8/16/32/64/128, and I run 10 tests for each. The crash seems to happen
"randomly", so can't narrow it down more than that. I've done a lot of
tests, and seen the crash just a few times so far but it's definitely
hitting something.