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  1. MariaDB Server
  2. MDEV-26473

mysqld got exception 0xc0000005 (rpl_slave_state/rpl_load_gtid_slave_state)

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      Our custom app went through an install on 2021-07-29 where we dumped the master DB (with master info/pos included), imported it into the new slave, and proceeded to run with replication - this started in line 87 of the attached file.

      On 2021-08-04, we upgraded our custom app (does NOT upgrade MariaDB) which runs the following commands between the times shown:

      2021-08-04 10:01:39

      stop slave;
      CHANGE MASTER TO MASTER_CONNECT_RETRY = 1, MASTER_HEARTBEAT_PERIOD = 90, MASTER_USER = 'mvp_repl_slave', MASTER_PASSWORD = '####';
      start slave;
      DELETE FROM user WHERE !((User='root' AND Host='localhost') OR (User='mariadb.sys' AND Host='localhost'));
      FLUSH PRIVILEGES;
      GRANT SELECT, INSERT, UPDATE, DELETE, EXECUTE, CREATE, DROP, CREATE VIEW, SHOW VIEW, FILE, SUPER, REPLICATION CLIENT ON . to mvp_local@'localhost' IDENTIFIED BY '####';
      GRANT SELECT, EXECUTE, SUPER, REPLICATION CLIENT ON . to mvp_peer@'192.168.2.2' IDENTIFIED BY '####';
      GRANT SELECT, EXECUTE, SUPER, REPLICATION CLIENT ON . to mvp_peer@'192.168.2.3' IDENTIFIED BY '####';
      FLUSH PRIVILEGES;

      2021-08-04 10:01:52

      And then stops the service (2021-08-04 10:01:57), and restarts it (2021-08-04 10:02:03).

      This resulted in the following error, which has NOT been readily reproducible:

      ntdll.dll!RtlpUnWaitCriticalSection()
      ntdll.dll!RtlEnterCriticalSection()
      ntdll.dll!RtlEnterCriticalSection()
      mysqld.exe!mysql_manager_submit()[sql_manager.cc:51]
      mysqld.exe!rpl_slave_state::update()[rpl_gtid.cc:358]
      mysqld.exe!rpl_load_gtid_slave_state()[rpl_rli.cc:1930]
      mysqld.exe!binlog_background_thread()[log.cc:10026]
      mysqld.exe!pthread_start()[my_winthread.c:62]
      ucrtbase.dll!o_realloc_base()
      KERNEL32.DLL!BaseThreadInitThunk()
      ntdll.dll!RtlUserThreadStart()

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            Assignee:
            bnestere Brandon Nesterenko
            Reporter:
            paddyK Pat K
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            11 Start watching this issue

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              Created:
              Updated:
              Resolved:

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