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  1. MariaDB Server
  2. MDEV-36352

main.partition_explicit_prune sporadically crashes on loong64

Details

    • Bug
    • Status: Open (View Workflow)
    • Minor
    • Resolution: Unresolved
    • 11.8.1
    • None
    • None
    • None

    Description

      After uploading MariaDB 1:11.8.1-2 to Debian I saw this test crashing on arch loong64:

      main.partition_explicit_prune            w14 [ fail ]
              Test ended at 2025-03-21 04:35:53
       
      CURRENT_TEST: main.partition_explicit_prune
      mysqltest: At line 557: query 'TRUNCATE TABLE t2' failed: ER_LOCK_WAIT_TIMEOUT (1205): Lock wait timeout exceeded; try restarting transaction
       
      The result from queries just before the failure was:
      < snip >
      HANDLER_ROLLBACK	1
      HANDLER_TMP_WRITE	24
      HANDLER_WRITE	1
      # 16 locks (2 tables, 1 + 5 subpartitions lock/unlock)
      FLUSH STATUS;
      INSERT IGNORE INTO t2 PARTITION (subp3) SELECT * FROM t1 PARTITION (subp3, `p10-99`, `p100-99999`);
      Warnings:
      Warning	1748	Found a row not matching the given partition set
      Warning	1748	Found a row not matching the given partition set
      Warning	1748	Found a row not matching the given partition set
      SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
      WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
      VARIABLE_NAME	VARIABLE_VALUE
      HANDLER_COMMIT	1
      HANDLER_READ_FIRST	5
      HANDLER_READ_NEXT	5
      HANDLER_TMP_WRITE	24
      HANDLER_WRITE	7
      # 16 locks (2 tables, 1 + 5 subpartitions lock/unlock)
      TRUNCATE TABLE t2;
       
      More results from queries before failure can be found in /<<PKGBUILDDIR>>/builddir/mysql-test/var/14/log/partition_explicit_prune.log
      

      Later down in the log I see the 3rd restart passed:

      main.partition_explicit_prune            w14 [ retry-pass ]  21544
      

      Full log at https://buildd.debian.org/status/fetch.php?pkg=mariadb&arch=loong64&ver=1%3A11.8.1-2&stamp=1742531991&raw=0

      In the previous build of 1:11.8.1-1 the test passed right away: https://buildd.debian.org/status/fetch.php?pkg=mariadb&arch=loong64&ver=1%3A11.8.1-1&stamp=1742370987&raw=0

      Hence this issue seems sporadic.

      I also found MDEV-34824 with failure on same test, but it has a mismatch in value and not a crash.

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              Unassigned Unassigned
              otto Otto Kekäläinen
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                Updated:

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