Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Incomplete
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10.6.12
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CloudLinux 8.7
Description
mysqld crashed for unknown reasons.
Process had to be killed forcefully as it didn't respond to sigterm (systemd restart) in order to bring it back up.
mysqld logs at the time of crash:
Feb 28 09:00:30 server-name mysqld[201708]: double free or corruption (!prev)
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Feb 28 09:00:30 server-name mysqld[201708]: 230228 9:00:30 [ERROR] mysqld got signal 6 ;
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Feb 28 09:00:30 server-name mysqld[201708]: This could be because you hit a bug. It is also possible that this binary
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Feb 28 09:00:30 server-name mysqld[201708]: or one of the libraries it was linked against is corrupt, improperly built,
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Feb 28 09:00:30 server-name mysqld[201708]: or misconfigured. This error can also be caused by malfunctioning hardware.
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Feb 28 09:00:30 server-name mysqld[201708]: To report this bug, see https://mariadb.com/kb/en/reporting-bugs
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Feb 28 09:00:30 server-name mysqld[201708]: We will try our best to scrape up some info that will hopefully help
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Feb 28 09:00:30 server-name mysqld[201708]: diagnose the problem, but since we have already crashed,
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Feb 28 09:00:30 server-name mysqld[201708]: something is definitely wrong and this may fail.
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Feb 28 09:00:30 server-name mysqld[201708]: Server version: 10.6.12-MariaDB-cll-lve source revision: 4c79e15cc3716f69c044d4287ad2160da8101cdc
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Feb 28 09:00:30 server-name mysqld[201708]: key_buffer_size=2147483648
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Feb 28 09:00:30 server-name mysqld[201708]: read_buffer_size=4194304
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Feb 28 09:00:30 server-name mysqld[201708]: max_used_connections=134
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Feb 28 09:00:30 server-name mysqld[201708]: max_threads=1002
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Feb 28 09:00:30 server-name mysqld[201708]: thread_count=78
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Feb 28 09:00:30 server-name mysqld[201708]: It is possible that mysqld could use up to
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Feb 28 09:00:30 server-name mysqld[201708]: key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 10331757 K bytes of memory
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Feb 28 09:00:30 server-name mysqld[201708]: Hope that's ok; if not, decrease some variables in the equation.
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Feb 28 09:00:30 server-name mysqld[201708]: Thread pointer: 0x7f55bc000c58
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Feb 28 09:00:30 server-name mysqld[201708]: Attempting backtrace. You can use the following information to find out
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Feb 28 09:00:30 server-name mysqld[201708]: where mysqld died. If you see no messages after this, something went
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Feb 28 09:00:30 server-name mysqld[201708]: terribly wrong...
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Feb 28 09:00:30 server-name mysqld[201708]: stack_bottom = 0x7f578f1d6bd8 thread_stack 0x49000
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When straced mysqld process 201708, new futex output was still being generated:
[pid 1930306] futex(0x55fe8dd77ac8, FUTEX_WAKE_PRIVATE, 1) = 0
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[pid 1930306] futex(0x55fe8dd7880c, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0, {tv_sec=1677577350, tv_nsec=807930442}, FUTEX_BITSET_MATCH_ANY <unfinished ...>
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[pid 201710] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out)
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[pid 201710] futex(0x55fe8dd7880c, FUTEX_WAKE_PRIVATE, 1 <unfinished ...>
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[pid 1930306] <... futex resumed>) = 0
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[pid 201710] <... futex resumed>) = 1
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[pid 1930306] futex(0x55fe8dd77ac8, FUTEX_WAIT_PRIVATE, 2, NULL <unfinished ...>
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[pid 201710] futex(0x55fe8dd77ac8, FUTEX_WAKE_PRIVATE, 1 <unfinished ...>
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[pid 1930306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
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[pid 201710] <... futex resumed>) = 0
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[pid 1930306] futex(0x55fe8dd77ac8, FUTEX_WAKE_PRIVATE, 1 <unfinished ...>
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[pid 201710] futex(0x55fe8c982f60, FUTEX_WAKE_PRIVATE, 1 <unfinished ...>
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[pid 1930306] <... futex resumed>) = 0
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[pid 201710] <... futex resumed>) = 0
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[pid 1930306] futex(0x55fe8dd78808, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0, {tv_sec=1677577350, tv_nsec=833899302}, FUTEX_BITSET_MATCH_ANY <unfinished ...>
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[pid 201710] futex(0x55fe8c982f4c, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 0, {tv_sec=1677577290, tv_nsec=956743000},
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