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  1. MariaDB Server
  2. MDEV-13835

Crash when flushing tables with Connect

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 10.2.8
    • 10.2.9
    • None
    • Centos 6.9 x86_64
      kernel 2.6.32-696.6.3.el6.x86_64

    Description

      I've got this crash when running FLUSH TABLES:

      170918 15:00:06 [ERROR] mysqld got signal 11 ;
      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,
      or misconfigured. This error can also be caused by malfunctioning hardware.
       
      To report this bug, see https://mariadb.com/kb/en/reporting-bugs
       
      We will try our best to scrape up some info that will hopefully help
      diagnose the problem, but since we have already crashed,
      something is definitely wrong and this may fail.
       
      Server version: 10.2.8-MariaDB-log
      key_buffer_size=1073741824
      read_buffer_size=4194304
      max_used_connections=35
      max_threads=83
      thread_count=42
      It is possible that mysqld could use up to
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 2070214 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x7f3e98110398
      Attempting backtrace. You can use the following information to find out
      where mysqld died. If you see no messages after this, something went
      terribly wrong...
      stack_bottom = 0x7f411297ad80 thread_stack 0x49000
      /usr/sbin/mysqld(my_print_stacktrace+0x2b)[0x7f411371d9ab]
      /usr/sbin/mysqld(handle_fatal_signal+0x4d5)[0x7f41131b4405]
      /lib64/libpthread.so.0(+0x3035c0f7e0)[0x7f41126df7e0]
      /usr/lib64/mysql/plugin/ha_connect.so(_Z13CntCloseTableP7_globalP3TDBbb+0x33)[0x7f40b7cfbdd3]
      /usr/lib64/mysql/plugin/ha_connect.so(_ZN10ha_connect10CloseTableEP7_global+0x29)[0x7f40b7cef539]
      /usr/sbin/mysqld(_Z8closefrmP5TABLE+0x131)[0x7f41130d06e1]
      /usr/sbin/mysqld(_Z8tc_purgeb+0x69)[0x7f4113163559]
      /usr/sbin/mysqld(_Z19close_cached_tablesP3THDP10TABLE_LISTbm+0x87)[0x7f4112ff3a77]
      /usr/sbin/mysqld(_Z20reload_acl_and_cacheP3THDyP10TABLE_LISTPi+0x31e)[0x7f411311595e]
      /usr/sbin/mysqld(_Z21mysql_execute_commandP3THD+0x1047)[0x7f4113035457]
      /usr/sbin/mysqld(_Z11mysql_parseP3THDPcjP12Parser_statebb+0x29a)[0x7f411303c79a]
      /usr/sbin/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcjbb+0x1d3e)[0x7f411303eb6e]
      /usr/sbin/mysqld(_Z10do_commandP3THD+0x14e)[0x7f411303f14e]
      /usr/sbin/mysqld(_Z24do_handle_one_connectionP7CONNECT+0x16f)[0x7f41130fbf4f]
      /usr/sbin/mysqld(handle_one_connection+0x44)[0x7f41130fc074]
      /lib64/libpthread.so.0(+0x3035c07aa1)[0x7f41126d7aa1]
      /lib64/libc.so.6(clone+0x6d)[0x7f4110defbcd]
       
      Trying to get some variables.
      Some pointers may be invalid and cause the dump to abort.
      Query (0x7f3e9805f440): FLUSH TABLES
       
      Connection ID (thread ID): 112966
      Status: NOT_KILLED
       
      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=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on
       
      The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
      information that should help you find out what is causing the crash.
      170918 15:00:08 mysqld_safe Number of processes running now: 0
      170918 15:00:08 mysqld_safe mysqld restarted
      

      I didn't have anything wierd running on my local server...

      Thanks,
      António Fernandes

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            ampf Antonio Fernandes
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              Created:
              Updated:
              Resolved:

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