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  1. MariaDB Server
  2. MDEV-37102

rpl.rpl_semi_sync_master_disable_with_slave Fails with Result Length Mismatch

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    • Q3/2025 Maintenance

    Description

      rpl.rpl_semi_sync_master_disable_with_slave fails on buildbot runs after MDEV-36359 (Crash after disabling semi sync + start a master switchover process). Only seen in 11.4+ so far, so I'll mark the affects/fix version appropriately; though the test was added in 10.6, so earlier versions may still be affected.

      Failure output:

      rpl.rpl_semi_sync_master_disable_with_slave 'mix' w3 [ fail ]
              Test ended at 2025-06-24 07:00:30
       
      CURRENT_TEST: rpl.rpl_semi_sync_master_disable_with_slave
      --- /home/buildbot/amd64-ubuntu-2004-debug/build/mysql-test/suite/rpl/r/rpl_semi_sync_master_disable_with_slave.result	2025-06-24 06:47:05.000000000 +0000
      +++ /home/buildbot/amd64-ubuntu-2004-debug/build/mysql-test/suite/rpl/r/rpl_semi_sync_master_disable_with_slave.reject	2025-06-24 07:00:30.230102172 +0000
      @@ -14,7 +14,7 @@
       # Control State
       SELECT STATE FROM information_schema.PROCESSLIST WHERE ID = @binlog_dump_tid;
       STATE
      -Master has sent all binlog to slave; waiting for more updates
      +Writing to net
       SHOW STATUS LIKE 'Rpl_semi_sync_master_clients';
       Variable_name	Value
       Rpl_semi_sync_master_clients	1
       
      Result length mismatch
      

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              ParadoxV5 Jimmy Hú
              bnestere Brandon Nesterenko
              Jimmy Hú Jimmy Hú
              Brandon Nesterenko Brandon Nesterenko
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                Updated:
                Resolved:

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