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  1. MariaDB Server
  2. MDEV-29744

safe_mutex: Found wrong usage of mutex 'LOCK_commit_ordered' and 'LOCK_global_system_variables', or of mutex 'LOCK_global_system_variables' and 'LOCK_log', on setting max_binlog_size or binlog_checksum and START TRANSACTION

Details

    Description

      # mysqld options required for replay: --log-bin
      		 
      SET GLOBAL max_binlog_size=98304;  # A valid and arbritary setting
      		 
      START TRANSACTION WITH CONSISTENT SNAPSHOT;

      Leads to:

      10.11.0 6ebdd3013a18b01dbecec76b870810329eb76586 (Debug)

      		 
      safe_mutex: Found wrong usage of mutex 'LOCK_commit_ordered' and 'LOCK_global_system_variables'

      And

      # mysqld options required for replay: --log-bin
      		 
      START TRANSACTION WITH CONSISTENT SNAPSHOT;
      		 
      SET GLOBAL max_binlog_size=98304;  # A valid and arbritary setting

      Leads to:

      10.11.0 6ebdd3013a18b01dbecec76b870810329eb76586 (Debug)

      		 
      safe_mutex: Found wrong usage of mutex 'LOCK_global_system_variables' and 'LOCK_log'

      Bug confirmed present in:
      MariaDB: 10.3.37 (dbg), 10.4.27 (dbg), 10.5.18 (dbg), 10.6.10 (dbg), 10.7.6 (dbg), 10.8.5 (dbg), 10.9.3 (dbg), 10.10.2 (dbg), 10.11.0 (dbg)

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          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. MDEV-35197 Wrong locking order of LOCK_log and LOCK_global_system_variables, potential deadlock of server

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-35197 Wrong locking order of LOCK_log and LOCK_global_system_variables, potential deadlock of server

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed

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              knielsen Kristian Nielsen
              Roel Roel Van de Paar
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                Created:
                Updated:
                Resolved:

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