Details
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Bug
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Status: Open (View Workflow)
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Major
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Resolution: Unresolved
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10.4.20
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None
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None
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SLES15 SP2, 12GB RAM, 2 Cores
Description
Every operation on a database like "show tables" or "drop database DBNAME" provokes errors ERROR 2013 (HY000): Lost connection to MySQL server during query
or ERROR 2006 (HY000): MySQL server has gone away
No connection. Trying to reconnect...
Current database: *** NONE ***
in the error-log I see:
Version: '10.4.20-MariaDB-log' socket: '/var/lib/mysql/DB2/mysql.sock' port: 3316 MariaDB package
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2021-08-25 11:48:06 0x7f2750151700 InnoDB: Assertion failure in file /home/abuild/rpmbuild/BUILD/mariadb-10.4.20/storage/innobase/handler/ha_innodb.cc line 2132
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InnoDB: Failing assertion: cset == 0
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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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210825 11:48:06 [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: 10.4.20-MariaDB-log
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key_buffer_size=134217728
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read_buffer_size=262144
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max_used_connections=2
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max_threads=1002
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thread_count=8
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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 = 2464509 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: 0x7f26b8008118
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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 = 0x7f2750150cf8 thread_stack 0x49000
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/usr/sbin/mysqld(my_print_stacktrace+0x3c)[0x5609b0aa531c]
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/usr/sbin/mysqld(handle_fatal_signal+0x535)[0x5609b05b9145]
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/lib64/libpthread.so.0(+0x132d0)[0x7f277396d2d0]
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/lib64/libc.so.6(gsignal+0x110)[0x7f2772aa8420]
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/lib64/libc.so.6(abort+0x151)[0x7f2772aa9a01]
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/usr/sbin/mysqld(+0x5b8b62)[0x5609b02ddb62]
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/usr/sbin/mysqld(+0xa214c8)[0x5609b07464c8]
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/usr/sbin/mysqld(+0xbdd30c)[0x5609b090230c]
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/usr/sbin/mysqld(+0xbd03d9)[0x5609b08f53d9]
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/usr/sbin/mysqld(+0xbdb1b9)[0x5609b09001b9]
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/usr/sbin/mysqld(+0xbd2a30)[0x5609b08f7a30]
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/usr/sbin/mysqld(+0xbc8593)[0x5609b08ed593]
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/usr/sbin/mysqld(+0xa23c88)[0x5609b0748c88]
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/usr/sbin/mysqld(+0xa2f1f9)[0x5609b07541f9]
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/usr/sbin/mysqld(_ZN7handler7ha_openEP5TABLEPKcijP11st_mem_rootP4ListI6StringE+0x43)[0x5609b05bd803]
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/usr/sbin/mysqld(_Z21open_table_from_shareP3THDP11TABLE_SHAREPK25st_mysql_const_lex_stringjjjP5TABLEbP4ListI6StringE+0x940)[0x5609b046d090]
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/usr/sbin/mysqld(_Z10open_tableP3THDP10TABLE_LISTP18Open_table_context+0xb59)[0x5609b0358c49]
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/usr/sbin/mysqld(_Z11open_tablesP3THDRK14DDL_options_stPP10TABLE_LISTPjjP19Prelocking_strategy+0x929)[0x5609b035b9f9]
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/usr/sbin/mysqld(_Z30open_normal_and_derived_tablesP3THDP10TABLE_LISTjj+0x6a)[0x5609b035c66a]
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/usr/sbin/mysqld(_Z18mysqld_list_fieldsP3THDP10TABLE_LISTPKc+0x36)[0x5609b04173e6]
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/usr/sbin/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcjbb+0x250a)[0x5609b03c0faa]
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/usr/sbin/mysqld(_Z10do_commandP3THD+0x12f)[0x5609b03c140f]
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/usr/sbin/mysqld(_Z24do_handle_one_connectionP7CONNECT+0x24e)[0x5609b049656e]
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/usr/sbin/mysqld(handle_one_connection+0x34)[0x5609b0496644]
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/lib64/libpthread.so.0(+0x84f9)[0x7f27739624f9]
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/lib64/libc.so.6(clone+0x3f)[0x7f2772b6aecf]
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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 (0x7f26b8017dd0):
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Connection ID (thread ID): 9
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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
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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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Writing a core file...
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Working directory at /var/lib/mysql/DB2
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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
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Max core file size unlimited unlimited bytes
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Max resident set unlimited unlimited bytes
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Max processes 47756 47756 processes
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Max open files 129033 129033 files
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Max locked memory 65536 65536 bytes
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Max address space unlimited unlimited bytes
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Max file locks unlimited unlimited locks
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Max pending signals 47756 47756 signals
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Max msgqueue size 819200 819200 bytes
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Max nice priority 0 0
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Max realtime priority 0 0
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Max realtime timeout unlimited unlimited us
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Core pattern: |/usr/lib/systemd/systemd-coredump %P %u %g %s %t %c %e
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210825 11:48:06 mysqld_safe Number of processes running now: 0
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210825 11:48:06 mysqld_safe mysqld restarted
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