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  1. MariaDB Server
  2. MDEV-12882

Assertion `mdl_ticket->m_type == MDL_SHARED_UPGRADABLE || mdl_ticket->m_type == MDL_SHARED_NO_WRITE || mdl_ticket->m_type == MDL_SHARED_NO_READ_WRITE || mdl_ticket->m_type == MDL_SHARED_READ' failed in MDL_context::upgrade_shared_lock

    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 10.2
    • Fix Version/s: 10.2.7, 10.3.1
    • Component/s: Locking
    • Labels:
      None

      Description

      --source include/have_innodb.inc
      CREATE TABLE t (a INT) ENGINE=InnoDB;
      LOCK TABLES t AS t1 WRITE CONCURRENT, t AS t2 READ;
      

      10.2 7edadde72eb23e9110db8cea810c023104e9d15e

      mysqld: /data/src/10.2/sql/mdl.cc:2327: bool MDL_context::upgrade_shared_lock(MDL_ticket*, enum_mdl_type, double): Assertion `mdl_ticket->m_type == MDL_SHARED_UPGRADABLE || mdl_ticket->m_type == MDL_SHARED_NO_WRITE || mdl_ticket->m_type == MDL_SHARED_NO_READ_WRITE || mdl_ticket->m_type == MDL_SHARED_READ' failed.
      170523 23:16:49 [ERROR] mysqld got signal 6 ;
       
      #7  0x00007fa10084dee2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
      #8  0x00007fa1030be241 in MDL_context::upgrade_shared_lock (this=0x7fa0a8000c00, mdl_ticket=0x7fa0a8079470, new_type=MDL_SHARED_READ_ONLY, lock_wait_timeout=86400) at /data/src/10.2/sql/mdl.cc:2324
      #9  0x00007fa102f6a3ee in lock_tables_open_and_lock_tables (thd=0x7fa0a8000b00, tables=0x7fa0a8012470) at /data/src/10.2/sql/sql_parse.cc:2800
      #10 0x00007fa102f7020d in mysql_execute_command (thd=0x7fa0a8000b00) at /data/src/10.2/sql/sql_parse.cc:4876
      #11 0x00007fa102f798f0 in mysql_parse (thd=0x7fa0a8000b00, rawbuf=0x7fa0a8012348 "LOCK TABLES t AS t1 WRITE CONCURRENT, t AS t2 READ", length=50, parser_state=0x7fa0f4094200, is_com_multi=false, is_next_command=false) at /data/src/10.2/sql/sql_parse.cc:7874
      #12 0x00007fa102f679c8 in dispatch_command (command=COM_QUERY, thd=0x7fa0a8000b00, packet=0x7fa0a81406b1 "LOCK TABLES t AS t1 WRITE CONCURRENT, t AS t2 READ", packet_length=50, is_com_multi=false, is_next_command=false) at /data/src/10.2/sql/sql_parse.cc:1812
      #13 0x00007fa102f66338 in do_command (thd=0x7fa0a8000b00) at /data/src/10.2/sql/sql_parse.cc:1362
      #14 0x00007fa1030b10cf in do_handle_one_connection (connect=0x7fa105f36420) at /data/src/10.2/sql/sql_connect.cc:1354
      #15 0x00007fa1030b0e5c in handle_one_connection (arg=0x7fa105f36420) at /data/src/10.2/sql/sql_connect.cc:1260
      #16 0x00007fa1034cad02 in pfs_spawn_thread (arg=0x7fa105e99d90) at /data/src/10.2/storage/perfschema/pfs.cc:1862
      #17 0x00007fa102587494 in start_thread (arg=0x7fa0f4095700) at pthread_create.c:333
      #18 0x00007fa10090a93f in clone () from /lib/x86_64-linux-gnu/libc.so.6
      

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            • Assignee:
              svoj Sergey Vojtovich
              Reporter:
              elenst Elena Stepanova
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              • Created:
                Updated:
                Resolved: