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  1. MariaDB Server
  2. MDEV-4316

MariaDB server crash with signal 11

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 10.0.1, 5.5.30, 5.3.12
    • 10.0.2, 5.5.31, 5.3.13
    • None
    • Debian wheezy

    Description

      The server crash in loop (restarted by mysqld_safe), it's
      a shared hosting with more than 1000 databases, but always sames
      request seems to crash the serveur (always phpwebgallery).
      Full crash report that I can see in my syslog file :

      130322 11:04:00 [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.
       
      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: 5.5.30-MariaDB-mariadb1~wheezy
      key_buffer_size=2147483648
      read_buffer_size=1048576
      max_used_connections=15
       
      max_threads=502
      thread_count=1
      It is possible that mysqld could use up to
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 3132316 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x0x7fcab1e4c700
      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 = 0x7fcab4501e70 thread_stack 0x30000
      /usr/sbin/mysqld(my_print_stacktrace+0x2b)[0x7fcb8001ef7b]
      /usr/sbin/mysqld(handle_fatal_signal+0x422)[0x7fcb7fc5d422]
      /lib/x86_64-linux-gnu/libpthread.so.0(+0xf030)[0x7fcb7f364030]
      /usr/sbin/mysqld(+0x790cb9)[0x7fcb7ff23cb9]
      /usr/sbin/mysqld(_ZN15Item_func_match11init_searchEb+0x15b)[0x7fcb7fcb65db]
      /usr/sbin/mysqld(_ZN15Item_func_match11init_searchEb+0x9d)[0x7fcb7fcb651d]
      /usr/sbin/mysqld(_Z12init_ftfuncsP3THDP13st_select_lexb+0x60)[0x7fcb7faec730]
      /usr/sbin/mysqld(_ZN4JOIN8optimizeEv+0x1a18)[0x7fcb7fb6d188]
      /usr/sbin/mysqld(_Z12mysql_selectP3THDPPP4ItemP10TABLE_LISTjR4ListIS1_ES2_jP8st_orderSB_S2_SB_yP13select_resultP18st_select_lex_unitP13st_select
       
      /usr/sbin/mysqld(_Z13handle_selectP3THDP3LEXP13select_resultm+0x2c3)[0x7fcb7fb75203]
      /usr/sbin/mysqld(+0x38e851)[0x7fcb7fb21851]
      /usr/sbin/mysqld(_Z21mysql_execute_commandP3THD+0x4261)[0x7fcb7fb2bbb1]
      /usr/sbin/mysqld(+0x39a677)[0x7fcb7fb2d677]
      /usr/sbin/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcj+0x1b24)[0x7fcb7fb2fad4]
      /usr/sbin/mysqld(_Z24do_handle_one_connectionP3THD+0x21b)[0x7fcb7fbdf9ab]
      /usr/sbin/mysqld(handle_one_connection+0x51)[0x7fcb7fbdfa31]
      /lib/x86_64-linux-gnu/libpthread.so.0(+0x6b50)[0x7fcb7f35bb50]
      /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7fcb7dc7fa7d]
       
      Trying to get some variables.
      Some pointers may be invalid and cause the dump to abort.
      Query (0x7fcb87e63b78): SELECT id, MATCH(ft) AGAINST( "deom da vel" IN BOOLEAN MODE) AS q FROM (
      SELECT
       i.id, CAST( CONCAT_WS(" ",
          IFNULL(i.name,""),
          IFNULL(i.comment,""),
          IFNULL(GROUP_CONCAT(DISTINCT co.content),""),
          IFNULL(GROUP_CONCAT(DISTINCT c.dir),""),
          IFNULL(GROUP_CONCAT(DISTINCT c.name),""),
          IFNULL(GROUP_CONCAT(DISTINCT c.comment),"") ) AS CHAR) AS ft
      FROM (
        (
          phpwebgallery_images i LEFT JOIN phpwebgallery_comments co on i.id=co.image_id
        )
          INNER JOIN
        phpwebgallery_image_category ic on ic.image_id=i.id
        )
          INNER JOIN
        phpwebgallery_categories c on c.id=ic.category_id
       
      GROUP BY i.id) AS Y
      WHERE MATCH(ft) AGAINST( "deom da vel" IN BOOLEAN MODE)
       
      Connection ID (thread ID): 13272
      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=off

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              serg Sergei Golubchik
              profy Aurélien Bras
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                Created:
                Updated:
                Resolved:

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