% cat /var/log/mysql/mysqld.err
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..[snip]..
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2021-09-19 13:25:28 0 [Note] /usr/local/libexec/mariadbd: ready for connections.
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Version: '10.5.12-MariaDB-log' socket: '/var/run/mysql/mysql.sock' port: 3306 FreeBSD Ports
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2021-09-19 13:25:28 0 [Note] InnoDB: Buffer pool(s) load completed at 210919 13:25:28
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2021-09-19 13:25:32 0x81f27bf00 InnoDB: Assertion failure in file /wrkdirs/usr/ports/databases/mariadb105-server/work/mariadb-10.5.12/storage/innobase/btr/btr0pcur.cc line 520
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InnoDB: Failing assertion: page_is_comp(next_page) == page_is_comp(page)
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InnoDB: We intentionally generate a memory trap.
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InnoDB: Submit a detailed bug report to https://jira.mariadb.org/
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InnoDB: If you get repeated assertion failures or crashes, even
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InnoDB: immediately after the mysqld startup, there may be
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InnoDB: corruption in the InnoDB tablespace. Please refer to
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InnoDB: https://mariadb.com/kb/en/library/innodb-recovery-modes/
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InnoDB: about forcing recovery.
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210919 13:25:32 [ERROR] mysqld got signal 6 ;
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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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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
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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: 10.5.12-MariaDB-log
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key_buffer_size=134217728
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read_buffer_size=131072
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max_used_connections=1
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max_threads=153
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thread_count=2
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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 = 467792 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: 0x81fc0fb98
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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 = 0x7fffded02f38 thread_stack 0x49000
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0x130cd6c <my_print_stacktrace+0x3c> at /usr/local/libexec/mariadbd
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0xc6e6af <handle_fatal_signal+0x28f> at /usr/local/libexec/mariadbd
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0x801904e00 <_pthread_sigmask+0x530> at /lib/libthr.so.3
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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 (0x81fc64d30): select count(*) from disk
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Connection ID (thread ID): 4
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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
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information that should help you find out what is causing the crash.
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Core pattern: %N.core
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2021-09-19 13:25:33 0 [Note] InnoDB: Uses event mutexes
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2021-09-19 13:25:33 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
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2021-09-19 13:25:33 0 [Note] InnoDB: Number of pools: 1
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2021-09-19 13:25:33 0 [Note] InnoDB: Using generic crc32 instructions
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2021-09-19 13:25:33 0 [Note] InnoDB: Initializing buffer pool, total size = 134217728, chunk size = 134217728
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2021-09-19 13:25:33 0 [Note] InnoDB: Completed initialization of buffer pool
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2021-09-19 13:25:33 0 [Note] InnoDB: Starting crash recovery from checkpoint LSN=17580653,17580653
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2021-09-19 13:25:33 0 [Note] InnoDB: Last binlog file '/var/db/mysql/log/mysql-bin.000011', position 171168
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2021-09-19 13:25:33 0 [Note] InnoDB: 128 rollback segments are active.
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2021-09-19 13:25:33 0 [Note] InnoDB: Removed temporary tablespace data file: "ibtmp1"
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2021-09-19 13:25:33 0 [Note] InnoDB: Creating shared tablespace for temporary tables
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2021-09-19 13:25:33 0 [Note] InnoDB: Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
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2021-09-19 13:25:33 0 [Note] InnoDB: File './ibtmp1' size is now 12 MB.
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2021-09-19 13:25:33 0 [Note] InnoDB: 10.5.12 started; log sequence number 17580737; transaction id 23194
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2021-09-19 13:25:33 0 [Note] InnoDB: Loading buffer pool(s) from /var/db/mysql/ib_buffer_pool
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2021-09-19 13:25:33 0 [Note] Plugin 'FEEDBACK' is disabled.
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2021-09-19 13:25:33 0 [Note] Recovering after a crash using /var/db/mysql/log/mysql-bin
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2021-09-19 13:25:33 0 [Note] Starting crash recovery...
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2021-09-19 13:25:33 0 [Note] Crash recovery finished.
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2021-09-19 13:25:33 0 [Note] Server socket created on IP: '0.0.0.0'.
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2021-09-19 13:25:33 0 [Note] Reading of all Master_info entries succeeded
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2021-09-19 13:25:33 0 [Note] Added new Master_info '' to hash table
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2021-09-19 13:25:33 0 [Note] /usr/local/libexec/mariadbd: ready for connections.
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Version: '10.5.12-MariaDB-log' socket: '/var/run/mysql/mysql.sock' port: 3306 FreeBSD Ports
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2021-09-19 13:25:33 0 [Note] InnoDB: Buffer pool(s) load completed at 210919 13:25:33
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