Details
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Bug
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Status: Closed (View Workflow)
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Critical
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Resolution: Incomplete
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10.11.2
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OpenSUSE 15.4
glibc 2.37.9000.233.g16439f419b-lp154.3626.1
Description
Hi there,
After successfully using Mariadb for years, sometime after the last round of updates from 10.9 to 10.10 and 10.11, we're now experiencing almost daily crashes. I'm including the details below.
It's possible this is related to glibc and nor Mariadb, but I don't have enough expertise to determine that. Also, we updated glibc to the latest version, but the crashes still keep happening.
https://forums.factorio.com/viewtopic.php?f=7&p=583557 is suspiciously familiar, and one of the comments says a glibc fix was released, but I am not sure in which version, or if that's true at all.
Fatal glibc error: malloc.c:3617 (_mid_memalign): assertion failed: !p || chunk_is_mmapped (mem2chunk (p)) || ar_ptr == arena_for_chunk (mem2chunk (p)) |
230421 5:00:20 [ERROR] mysqld got signal 6 ; |
This could be because you hit a bug. It is also possible that this binary |
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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To report this bug, see https://mariadb.com/kb/en/reporting-bugs |
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We will try our best to scrape up some info that will hopefully help |
diagnose the problem, but since we have already crashed,
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something is definitely wrong and this may fail. |
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Server version: 10.11.2-MariaDB-log source revision: cafba8761af55ae16cc69c9b53a341340a845b36 |
key_buffer_size=536870912 |
read_buffer_size=262144 |
max_used_connections=304 |
max_threads=2050 |
thread_count=195 |
It is possible that mysqld could use up to
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key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 5301674 K bytes of memory |
Hope that's ok; if not, decrease some variables in the equation. |
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Thread pointer: 0x7f76c001acb8 |
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 |
terribly wrong...
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stack_bottom = 0x7f76f8968d28 thread_stack 0x49000 |
??:0(my_print_stacktrace)[0x55f5c6895bdd] |
??:0(handle_fatal_signal)[0x55f5c6394065] |
??:0(__restore_rt)[0x7f76f96570a0] |
??:0(__pthread_kill_implementation)[0x7f76f96a7cec] |
??:0(__GI_raise)[0x7f76f9656fe2] |
??:0(__GI_abort)[0x7f76f963f34f] |
??:0(_IO_peekc_locked.cold)[0x7f76f96400c9] |
??:0(__libc_assert_fail)[0x7f76f964f183] |
??:0(_mid_memalign.isra.0)[0x7f76f96b72a2] |
??:0(std::unique_lock<std::mutex>::unlock())[0x55f5c669f5b9] |
??:0(std::thread::thread<void (&)()>(void (&)()))[0x55f5c67dc011] |
??:0(std::thread::thread<void (&)()>(void (&)()))[0x55f5c67ae679] |
??:0(std::unique_lock<std::mutex>::unlock())[0x55f5c66c7076] |
??:0(std::unique_lock<std::mutex>::unlock())[0x55f5c66f6aad] |
??:0(wsrep_notify_status(wsrep::server_state::state, wsrep::view const*))[0x55f5c664e840] |
??:0(wsrep_notify_status(wsrep::server_state::state, wsrep::view const*))[0x55f5c664eb7b] |
??:0(wsrep_notify_status(wsrep::server_state::state, wsrep::view const*))[0x55f5c664f8a0] |
??:0(Sql_cmd_truncate_table::handler_truncate(THD*, TABLE_LIST*, bool))[0x55f5c628377a] |
??:0(Sql_cmd_truncate_table::truncate_table(THD*, TABLE_LIST*))[0x55f5c6284360] |
??:0(Sql_cmd_truncate_table::execute(THD*))[0x55f5c62845de] |
??:0(mysql_execute_command(THD*, bool))[0x55f5c615bc41] |
??:0(mysql_parse(THD*, char*, unsigned int, Parser_state*))[0x55f5c6162fae] |
??:0(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool))[0x55f5c6157fb5] |
??:0(do_command(THD*, bool))[0x55f5c6156a67] |
??:0(do_handle_one_connection(CONNECT*, bool))[0x55f5c6267a0f] |
??:0(handle_one_connection)[0x55f5c6267da4] |
??:0(MyCTX_nopad::finish(unsigned char*, unsigned int*))[0x55f5c659697d] |
??:0(start_thread)[0x7f76f96a5eb4] |
??:0(__clone3)[0x7f76f972d1c8] |
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Trying to get some variables.
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Some pointers may be invalid and cause the dump to abort.
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Query (0x7f76c000c7c0): truncate table wp_wfKnownFileList |
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Connection ID (thread ID): 4669297 |
Status: NOT_KILLED
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Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off |
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The manual page at https://mariadb.com/kb/en/how-to-produce-a-full-stack-trace-for-mysqld/ contains |
information that should help you find out what is causing the crash.
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Writing a core file...
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Working directory at /var/lib/mysql
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Resource Limits:
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Limit Soft Limit Hard Limit Units
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Max cpu time unlimited unlimited seconds
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Max file size unlimited unlimited bytes
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Max data size unlimited unlimited bytes
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Max stack size 8388608 unlimited bytes |
Max core file size unlimited unlimited bytes
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Max resident set unlimited unlimited bytes
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Max processes 128319 128319 processes |
Max open files 1048576 1048576 files |
Max locked memory 8388608 8388608 bytes |
Max address space unlimited unlimited bytes
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Max file locks unlimited unlimited locks
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Max pending signals 128319 128319 signals |
Max msgqueue size 819200 819200 bytes |
Max nice priority 0 0 |
Max realtime priority 0 0 |
Max realtime timeout unlimited unlimited us
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Core pattern: |/bin/false |
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Kernel version: Linux version 6.0.10-x86_64-linode158 (maker@build.linode.com) (gcc (Debian 8.3.0-6) 8.3.0, GNU ld (GNU Binutils for Debian) 2.31.1) #1 SMP PREEMPT_DYNAMIC Thu Dec 1 13:16:43 EST 2022 |