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  1. MariaDB Server
  2. MDEV-35050

Found wrong usage of mutex upon setting plugin session variables

Details

    Description

      SET session_track_system_variables="*";
      		 
      SET mhnsw_min_limit = 10;

      bb-11.6-MDEV-32887-vector fe9092a8

      		 
      safe_mutex: Found wrong usage of mutex 'LOCK_plugin' and 'LOCK_global_system_variables'
      		 
      Mutex currently locked (in reverse order):
      		 
      LOCK_global_system_variables      /data/bld/preview-11.7-bb-11.6-MDEV-32887-vector-asan/sql/session_tracker.cc  line 457
      		 
      LOCK_plugin                       /data/bld/preview-11.7-bb-11.6-MDEV-32887-vector-asan/sql/session_tracker.cc  line 441

      Reproducible with any of 3 mhnsw_x session variables.

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          causes

          Bug - A problem which impairs or prevents the functions of the product. MDEV-35086 Trying to lock mutex when the mutex was already locked (session_tracker.cc), server hangs

          • Blocker - Blocks development and/or testing work, production could not run.
          • Closed

          Activity

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            elenst Elena Stepanova created issue -
            elenst Elena Stepanova made changes -
            Field Original Value New Value
            elenst Elena Stepanova made changes -
            Description {code:sql}
            SET session_track_system_variables="*";
            SET SESSION mhnsw_min_limit = 10;
            {code}

            {noformat:title=bb-11.6-MDEV-32887-vector fe9092a8}
            safe_mutex: Found wrong usage of mutex 'LOCK_plugin' and 'LOCK_global_system_variables'
            Mutex currently locked (in reverse order):
            LOCK_global_system_variables /data/bld/preview-11.7-bb-11.6-MDEV-32887-vector-asan/sql/session_tracker.cc line 457
            LOCK_plugin /data/bld/preview-11.7-bb-11.6-MDEV-32887-vector-asan/sql/session_tracker.cc line 441
            {noformat}

            Reproducible with any of 3 {{mhnsw_x}} session variables.             		{code:sql}
            SET session_track_system_variables="*";
            SET mhnsw_min_limit = 10;
            {code}

            {noformat:title=bb-11.6-MDEV-32887-vector fe9092a8}
            safe_mutex: Found wrong usage of mutex 'LOCK_plugin' and 'LOCK_global_system_variables'
            Mutex currently locked (in reverse order):
            LOCK_global_system_variables /data/bld/preview-11.7-bb-11.6-MDEV-32887-vector-asan/sql/session_tracker.cc line 457
            LOCK_plugin /data/bld/preview-11.7-bb-11.6-MDEV-32887-vector-asan/sql/session_tracker.cc line 441
            {noformat}

            Reproducible with any of 3 {{mhnsw_x}} session variables.
            serg Sergei Golubchik made changes -
            serg Sergei Golubchik made changes -
            Affects Version/s 10.5 [ 23123 ]
            Affects Version/s 10.6 [ 24028 ]
            Affects Version/s 10.11 [ 27614 ]
            Affects Version/s 11.2 [ 28603 ]
            Affects Version/s 11.4 [ 29301 ]
            Affects Version/s N/A [ 14700 ]
            serg Sergei Golubchik made changes -
            Fix Version/s 10.5 [ 23123 ]
            Fix Version/s 10.6 [ 24028 ]
            Fix Version/s 10.11 [ 27614 ]
            Fix Version/s 11.7 [ 29815 ]
            serg Sergei Golubchik made changes -
            Component/s Vector search [ 20205 ]
            serg Sergei Golubchik made changes -
            Status Open [ 1 ] In Progress [ 3 ]
            serg Sergei Golubchik made changes -
            Status In Progress [ 3 ] Stalled [ 10000 ]
            serg Sergei Golubchik made changes -
            Summary Found wrong usage of mutex upon setting mhnsw_x session variables Found wrong usage of mutex upon setting plugin session variables
            serg Sergei Golubchik made changes -
            Status Stalled [ 10000 ] In Testing [ 10301 ]
            serg Sergei Golubchik made changes -
            Status In Testing [ 10301 ] Stalled [ 10000 ]
            serg Sergei Golubchik made changes -
            Assignee Sergei Golubchik [ serg ] Oleksandr Byelkin [ sanja ]
            Status Stalled [ 10000 ] In Review [ 10002 ]
            sanja Oleksandr Byelkin made changes -
            Assignee Oleksandr Byelkin [ sanja ] Sergei Golubchik [ serg ]
            Status In Review [ 10002 ] Stalled [ 10000 ]
            serg Sergei Golubchik made changes -
            Fix Version/s 10.5.27 [ 29902 ]
            Fix Version/s 10.6.20 [ 29903 ]
            Fix Version/s 10.11.10 [ 29904 ]
            Fix Version/s 11.2.6 [ 29906 ]
            Fix Version/s 11.4.4 [ 29907 ]
            Fix Version/s 11.6.2 [ 29908 ]
            Fix Version/s 10.5 [ 23123 ]
            Fix Version/s 10.6 [ 24028 ]
            Fix Version/s 10.11 [ 27614 ]
            Resolution Fixed [ 1 ]
            Status Stalled [ 10000 ] Closed [ 6 ]
            elenst Elena Stepanova made changes -

            People

              serg Sergei Golubchik
              elenst Elena Stepanova
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              Dates

                Created:
                Updated:
                Resolved:

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