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  1. MariaDB Server
  2. MDEV-20888

Galera test failure on galera.galera_pc_ignore_sb: 2013: Lost connection to MySQL server during query

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    Description

      It fails sporadically.

      MariaDB Version 10.4.9-MariaDB-debug: Repository: MariaDB/server; branch 10.4; Revision 421d52e89627d85794d7e8e4b70216b14f384178; debug built from sources.

      Galera 26.4.3(r4535): Repository: MariaDB/galera; branch mariadb-4.x; Revision 752664dc3c7065d8e0c73ac99d0028a5f84eb250; debug built from sources.

      Run:

      ./mtr --suite galera --force --big-test --max-test-fail=0 --parallel=auto --testcase-timeout=90 --mysqld=--wsrep-debug=server --timer --timestamp --timediff
      

      stdout.log:

      191018 20:26:11 +27.725 galera.galera_pc_ignore_sb 'innodb'      w3 [ fail ]
              Test ended at 2019-10-18 20:26:11
       
      CURRENT_TEST: galera.galera_pc_ignore_sb
      mysqltest: At line 38: query 'SET GLOBAL wsrep_cluster_address = ''' failed: 2013: Lost connection to MySQL server during query
       
      The result from queries just before the failure was:
      < snip >
      connection node_1;
      connection node_2;
      connection node_1;
      SET @wsrep_cluster_address_orig = @@GLOBAL.wsrep_cluster_address;
      SET @wsrep_provider_options_orig = @@GLOBAL.wsrep_provider_options;
      SET GLOBAL wsrep_provider_options ='pc.ignore_sb=true';
      connection node_2;
      Killing server ...
      connection node_1;
      CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB;
      INSERT INTO t1 VALUES (1);
      DROP TABLE t1;
      SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size';
      VARIABLE_VALUE = 1
      1
      SELECT VARIABLE_VALUE = 'ON' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_ready';
      VARIABLE_VALUE = 'ON'
      1
      SET GLOBAL wsrep_cluster_address = '';
       
      More results from queries before failure can be found in /home/stepan/mariadb/10.4/github/mysql-test/var/3/log/galera_pc_ignore_sb.log
       
       
      Server [mysqld.1 - pid: 2869, winpid: 2869, exit: 256] failed during test run
      Server log from this test:
      ----------SERVER LOG START-----------
      2019-10-18 20:25:44 121 [Note] WSREP: assigned new next trx id: 1628
      2019-10-18 20:25:44 121 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 121 [Note] WSREP: assigned new next trx id: 1629
      2019-10-18 20:25:44 121 [Note] WSREP: wsrep_commit_empty(121)
      2019-10-18 20:25:44 121 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 121 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 121 [Note] WSREP: assigned new next trx id: 1630
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1631
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_commit_empty(122)
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1632
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_commit_empty(122)
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1633
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_commit_empty(122)
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1634
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1635
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_commit_empty(122)
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1636
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_commit_empty(122)
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1637
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_commit_empty(122)
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1638
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_commit_empty(122)
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1639
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_commit_empty(122)
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1640
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_commit_empty(122)
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1641
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_commit_empty(122)
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1642
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_commit_empty(122)
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1643
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_commit_empty(122)
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1644
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_commit_empty(122)
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1645
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_commit_empty(122)
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1646
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_commit_empty(122)
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1647
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_commit_empty(122)
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1634
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1648
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_commit_empty(122)
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1649
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_commit_empty(122)
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1650
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_commit_empty(122)
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1651
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_commit_empty(122)
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 122 [Note] WSREP: assigned new next trx id: 1652
      2019-10-18 20:25:44 123 [Note] WSREP: assigned new next trx id: 1653
      2019-10-18 20:25:44 123 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:25:44 123 [Note] WSREP: wsrep_commit_empty(123)
      2019-10-18 20:25:44 123 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 123 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 123 [Note] WSREP: assigned new next trx id: 1654
      2019-10-18 20:25:44 123 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 8, thd->variables.wsrep_on= 1
      2019-10-18 20:25:44 123 [Note] WSREP: wsrep_commit_empty(123)
      2019-10-18 20:25:44 123 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 123 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 123 [Note] WSREP: assigned new next trx id: 1655
      2019-10-18 20:25:44 123 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 8, thd->variables.wsrep_on= 1
      2019-10-18 20:25:44 123 [Note] WSREP: wsrep_commit_empty(123)
      2019-10-18 20:25:44 123 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:44 123 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:46 124 [Note] WSREP: assigned new next trx id: 1656
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_commit_empty(124)
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:46 124 [Note] WSREP: assigned new next trx id: 1657
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_commit_empty(124)
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:46 124 [Note] WSREP: assigned new next trx id: 1658
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:46 124 [Note] WSREP: assigned new next trx id: 1659
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:46 124 [Note] WSREP: assigned new next trx id: 1660
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_commit_empty(124)
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:46 124 [Note] WSREP: assigned new next trx id: 1661
      2019-10-18 20:25:46 124 [Note] WSREP: refresh_provider_options: pc.ignore_sb=true
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:46 124 [Note] WSREP: assigned new next trx id: 1662
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_commit_empty(124)
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:46 0 [Note] WSREP: (7445e804, 'tcp://0.0.0.0:16042') turning message relay requesting on, nonlive peers: tcp://127.0.0.1:16045 
      2019-10-18 20:25:46 124 [Note] WSREP: assigned new next trx id: 1663
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_commit_empty(124)
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:46 124 [Note] WSREP: assigned new next trx id: 1664
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_commit_empty(124)
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:46 124 [Note] WSREP: assigned new next trx id: 1665
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_commit_empty(124)
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:46 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:47 124 [Note] WSREP: assigned new next trx id: 1666
      2019-10-18 20:25:47 124 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:25:47 124 [Note] WSREP: wsrep_commit_empty(124)
      2019-10-18 20:25:47 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:47 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:47 124 [Note] WSREP: assigned new next trx id: 1667
      2019-10-18 20:25:47 124 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:25:47 124 [Note] WSREP: wsrep_commit_empty(124)
      2019-10-18 20:25:47 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:47 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:47 124 [Note] WSREP: assigned new next trx id: 1668
      2019-10-18 20:25:47 124 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:25:47 0 [Note] WSREP: (7445e804, 'tcp://0.0.0.0:16042') reconnecting to 77b7019b (tcp://127.0.0.1:16045), attempt 0
      2019-10-18 20:25:48 124 [Note] WSREP: wsrep_commit_empty(124)
      2019-10-18 20:25:48 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:48 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:48 124 [Note] WSREP: assigned new next trx id: 1669
      2019-10-18 20:25:48 124 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:25:56 0 [Note] WSREP: evs::proto(7445e804, OPERATIONAL, view_id(REG,7445e804,6)) suspecting node: 77b7019b
      2019-10-18 20:25:56 0 [Note] WSREP: evs::proto(7445e804, OPERATIONAL, view_id(REG,7445e804,6)) suspected node without join message, declaring inactive
      2019-10-18 20:25:57 0 [Warning] WSREP: Ignoring possible split-brain (allowed by configuration) from view:
      view(view_id(REG,7445e804,6) memb {
      	7445e804,0
      	77b7019b,0
      } joined {
      	77b7019b,0
      } left {
      } partitioned {
      })
      to view:
      view(view_id(TRANS,7445e804,6) memb {
      	7445e804,0
      } joined {
      } left {
      } partitioned {
      	77b7019b,0
      })
      2019-10-18 20:25:57 0 [Note] WSREP: Node 7445e804 state prim
      2019-10-18 20:25:57 0 [Note] WSREP: view(view_id(PRIM,7445e804,7) memb {
      	7445e804,0
      } joined {
      } left {
      } partitioned {
      	77b7019b,0
      })
      2019-10-18 20:25:57 0 [Note] WSREP: save pc into disk
      2019-10-18 20:25:58 0 [Note] WSREP: forgetting 77b7019b (tcp://127.0.0.1:16045)
      2019-10-18 20:25:58 0 [Note] WSREP: (7445e804, 'tcp://0.0.0.0:16042') turning message relay requesting off
      2019-10-18 20:25:58 124 [Note] WSREP: wsrep_commit_empty(124)
      2019-10-18 20:25:58 0 [Note] WSREP: New COMPONENT: primary = yes, bootstrap = no, my_idx = 0, memb_num = 1
      2019-10-18 20:25:58 0 [Note] WSREP: STATE_EXCHANGE: sent state UUID: 58ff88a8-f1cc-11e9-9b46-63047bebea11
      2019-10-18 20:25:58 0 [Note] WSREP: STATE EXCHANGE: sent state msg: 58ff88a8-f1cc-11e9-9b46-63047bebea11
      2019-10-18 20:25:58 0 [Note] WSREP: STATE EXCHANGE: got state msg: 58ff88a8-f1cc-11e9-9b46-63047bebea11 from 0 (cnt7glr11.localdomain)
      2019-10-18 20:25:58 0 [Note] WSREP: Quorum results:
      	version    = 6,
      	component  = PRIMARY,
      	conf_id    = 6,
      	members    = 1/1 (joined/total),
      	act_id     = 183,
      	last_appl. = 133,
      	protocols  = 2/10/4 (gcs/repl/appl),
      	vote policy= 0,
      	group UUID = 74779858-f1cb-11e9-bcee-37288baed172
      2019-10-18 20:25:58 0 [Note] WSREP: Flow-control interval: [16, 16]
      2019-10-18 20:25:58 2 [Note] WSREP: ####### processing CC 184, local, ordered
      2019-10-18 20:25:58 2 [Note] WSREP: REPL Protocols: 10 (5, 3)
      2019-10-18 20:25:58 2 [Note] WSREP: ####### My UUID: 7445e804-f1cb-11e9-88a9-169e68e38947
      2019-10-18 20:25:58 2 [Note] WSREP: ####### ST not required
      2019-10-18 20:25:58 2 [Note] WSREP: Skipping cert index reset
      2019-10-18 20:25:58 2 [Note] WSREP: ####### Adjusting cert position: 183 -> 184
      2019-10-18 20:25:58 0 [Note] WSREP: Service thread queue flushed.
      2019-10-18 20:25:58 2 [Note] WSREP: ####### Setting monitor position to 184
      2019-10-18 20:25:58 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:58 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:58 124 [Note] WSREP: assigned new next trx id: 1670
      2019-10-18 20:25:58 124 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:25:58 2 [Note] WSREP: Lowest cert indnex boundary for CC from group: 134
      2019-10-18 20:25:58 2 [Note] WSREP: Min available from gcache for CC from group: 1
      2019-10-18 20:25:58 2 [Note] WSREP: ================================================
      View:
        id: 74779858-f1cb-11e9-bcee-37288baed172:184
        status: primary
        protocol_version: 4
        capabilities: MULTI-MASTER, CERTIFICATION, PARALLEL_APPLYING, REPLAY, ISOLATION, PAUSE, CAUSAL_READ, INCREMENTAL_WS, UNORDERED, PREORDERED, STREAMING, NBO
        final: no
        own_index: 0
        members(1):
      	0: 7445e804-f1cb-11e9-88a9-169e68e38947, cnt7glr11.localdomain
      =================================================
      2019-10-18 20:25:58 2 [Note] WSREP: wsrep_notify_cmd is not defined, skipping notification.
      2019-10-18 20:25:58 2 [Note] WSREP: Restored cluster view:
        id: 74779858-f1cb-11e9-bcee-37288baed172:11
        status: primary
        protocol_version: 4
        capabilities: MULTI-MASTER, CERTIFICATION, PARALLEL_APPLYING, REPLAY, ISOLATION, PAUSE, CAUSAL_READ, INCREMENTAL_WS, UNORDERED, PREORDERED, STREAMING, NBO
        final: no
        own_index: -1
        members(2):
      	0: 7445e804-f1cb-11e9-88a9-169e68e38947, cnt7glr11.localdomain
      	1: 77b7019b-f1cb-11e9-a3f1-bfcbfd6fc077, cnt7glr11.localdomain
       
      2019-10-18 20:25:58 2 [Note] WSREP: Storing cluster view:
        id: 74779858-f1cb-11e9-bcee-37288baed172:184
        status: primary
        protocol_version: 4
        capabilities: MULTI-MASTER, CERTIFICATION, PARALLEL_APPLYING, REPLAY, ISOLATION, PAUSE, CAUSAL_READ, INCREMENTAL_WS, UNORDERED, PREORDERED, STREAMING, NBO
        final: no
        own_index: 0
        members(1):
      	0: 7445e804-f1cb-11e9-88a9-169e68e38947, cnt7glr11.localdomain
       
      2019-10-18 20:25:58 2 [Note] WSREP: SQL: 31 DELETE FROM mysql.wsrep_cluster thd: 2
      2019-10-18 20:25:58 2 [Note] WSREP: SQL: 39 DELETE FROM mysql.wsrep_cluster_members thd: 2
      2019-10-18 20:25:58 2 [Note] WSREP: Set WSREPXid for InnoDB:  74779858-f1cb-11e9-bcee-37288baed172:184
      2019-10-18 20:25:58 2 [Note] WSREP: Read WSREPXid from InnoDB:  74779858-f1cb-11e9-bcee-37288baed172:184
      2019-10-18 20:25:59 124 [Note] WSREP: wsrep_commit_empty(124)
      2019-10-18 20:25:59 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:59 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:59 124 [Note] WSREP: assigned new next trx id: 1673
      2019-10-18 20:25:59 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:25:59 124 [Note] WSREP: TOI Begin
      2019-10-18 20:26:00 0 [Note] WSREP:  cleaning up 77b7019b (tcp://127.0.0.1:16045)
      2019-10-18 20:26:00 124 [Note] WSREP: TO END: 185: CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB
      2019-10-18 20:26:00 124 [Note] WSREP: Set WSREPXid for InnoDB:  74779858-f1cb-11e9-bcee-37288baed172:185
      2019-10-18 20:26:01 124 [Note] WSREP: TO END: -1
      2019-10-18 20:26:01 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:26:01 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:26:01 124 [Note] WSREP: assigned new next trx id: 1674
      2019-10-18 20:26:01 124 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 4, thd->variables.wsrep_on= 1
      2019-10-18 20:26:02 124 [Note] WSREP: wsrep_before_commit: 1, -1
      2019-10-18 20:26:02 124 [Note] WSREP: wsrep_after_commit: 1, 1, 186, 1
      2019-10-18 20:26:02 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:26:02 124 [Note] WSREP: assigned new next trx id: 1675
      2019-10-18 20:26:02 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:26:02 124 [Note] WSREP: TOI Begin
      2019-10-18 20:26:02 124 [Note] WSREP: TO END: 187: DROP TABLE t1
      2019-10-18 20:26:02 124 [Note] WSREP: Set WSREPXid for InnoDB:  74779858-f1cb-11e9-bcee-37288baed172:187
      2019-10-18 20:26:03 124 [Note] WSREP: TO END: -1
      2019-10-18 20:26:03 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:26:03 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:26:03 124 [Note] WSREP: assigned new next trx id: 1676
      2019-10-18 20:26:03 124 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:26:04 124 [Note] WSREP: wsrep_commit_empty(124)
      2019-10-18 20:26:04 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:26:04 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:26:04 124 [Note] WSREP: assigned new next trx id: 1677
      2019-10-18 20:26:04 124 [Note] WSREP: wsrep_sync_wait: thd->variables.wsrep_sync_wait= 15, mask= 1, thd->variables.wsrep_on= 1
      2019-10-18 20:26:04 124 [Note] WSREP: wsrep_commit_empty(124)
      2019-10-18 20:26:04 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:26:04 124 [Note] WSREP: wsrep_thd_binlog_reset
      2019-10-18 20:26:04 124 [Note] WSREP: assigned new next trx id: 1678
      2019-10-18 20:26:04 124 [Note] WSREP: wsrep_cluster_address_update: 
      2019-10-18 20:26:04 124 [Note] WSREP: Stop replication by 124
      2019-10-18 20:26:04 124 [Note] WSREP: Disconnect provider
      2019-10-18 20:26:04 124 [Note] [Debug] WSREP: server cnt7glr11.localdomain state change: synced -> disconnecting
      2019-10-18 20:26:04 124 [Note] WSREP: Server status change synced -> disconnecting
      2019-10-18 20:26:04 124 [Note] WSREP: wsrep_notify_cmd is not defined, skipping notification.
      2019-10-18 20:26:04 124 [Note] WSREP: Closing send monitor...
      2019-10-18 20:26:04 124 [Note] WSREP: Closed send monitor.
      2019-10-18 20:26:04 124 [Note] WSREP: gcomm: terminating thread
      2019-10-18 20:26:04 124 [Note] WSREP: gcomm: joining thread
      2019-10-18 20:26:04 124 [Note] WSREP: gcomm: closing backend
      2019-10-18 20:26:04 124 [Note] WSREP: PC protocol downgrade 1 -> 0
      2019-10-18 20:26:04 124 [Note] WSREP: view((empty))
      2019-10-18 20:26:04 124 [Note] WSREP: gcomm: closed
      2019-10-18 20:26:04 0 [Note] WSREP: New SELF-LEAVE.
      2019-10-18 20:26:04 0 [Note] WSREP: Flow-control interval: [0, 0]
      2019-10-18 20:26:04 0 [Note] WSREP: Received SELF-LEAVE. Closing connection.
      2019-10-18 20:26:04 0 [Note] WSREP: Shifting SYNCED -> CLOSED (TO: 187)
      2019-10-18 20:26:04 0 [Note] WSREP: RECV thread exiting 0: Success
      2019-10-18 20:26:04 2 [Note] WSREP: ####### processing CC -1, local, ordered
      2019-10-18 20:26:04 2 [Note] WSREP: ####### My UUID: 7445e804-f1cb-11e9-88a9-169e68e38947
      2019-10-18 20:26:04 124 [Note] WSREP: recv_thread() joined.
      2019-10-18 20:26:04 124 [Note] WSREP: Closing replication queue.
      2019-10-18 20:26:04 124 [Note] WSREP: Closing slave action queue.
      2019-10-18 20:26:04 2 [Note] WSREP: ####### ST not required
      2019-10-18 20:26:04 2 [Note] WSREP: ================================================
      View:
        id: 74779858-f1cb-11e9-bcee-37288baed172:-1
        status: non-primary
        protocol_version: 4
        capabilities: MULTI-MASTER, CERTIFICATION, PARALLEL_APPLYING, REPLAY, ISOLATION, PAUSE, CAUSAL_READ, INCREMENTAL_WS, UNORDERED, PREORDERED, STREAMING, NBO
        final: yes
        own_index: -1
        members(0):
      =================================================
      2019-10-18 20:26:04 2 [Note] WSREP: Non-primary view
      2019-10-18 20:26:04 2 [Note] [Debug] WSREP: server cnt7glr11.localdomain state change: disconnecting -> disconnected
      2019-10-18 20:26:04 2 [Note] WSREP: Server status change disconnecting -> disconnected
      2019-10-18 20:26:04 2 [Note] WSREP: wsrep_notify_cmd is not defined, skipping notification.
      2019-10-18 20:26:04 2 [Note] WSREP: wsrep_notify_cmd is not defined, skipping notification.
      2019-10-18 20:26:04 2 [Note] WSREP: Applier thread exiting ret: 0 thd: 2
      2019-10-18 20:26:04 2 [Note] WSREP: closing applier 2
      2019-10-18 20:26:04 2 [Note] WSREP: wsrep system thread: 2, 0x7f6bd0000b00 closing
      2019-10-18 20:26:04 2 [Warning] Aborted connection 2 to db: 'unconnected' user: 'unauthenticated' host: '' (This connection closed normally without authentication)
      2019-10-18 20:26:04 2 [Note] WSREP: wsrep running threads now: 1
      2019-10-18 20:26:04 124 [Note] WSREP: closing connection 123
      2019-10-18 20:26:04 124 [Note] WSREP: killing local connection: 123
      2019-10-18 20:26:04 124 [Note] WSREP: waiting for client connections to close: 9
      mysqld: /home/stepan/mariadb/10.4/github/include/mysql/psi/mysql_socket.h:738: inline_mysql_socket_send: Assertion `mysql_socket.fd != -1' failed.
      191018 20:26:04 [ERROR] mysqld got signal 6 ;
      This could be because you hit a bug. It is also possible that this binary
      or one of the libraries it was linked against is corrupt, improperly built,
      or misconfigured. This error can also be caused by malfunctioning hardware.
       
      To report this bug, see https://mariadb.com/kb/en/reporting-bugs
       
      We will try our best to scrape up some info that will hopefully help
      diagnose the problem, but since we have already crashed, 
      something is definitely wrong and this may fail.
       
      Server version: 10.4.9-MariaDB-debug-log
      key_buffer_size=1048576
      read_buffer_size=131072
      max_used_connections=3
      max_threads=153
      thread_count=9
      It is possible that mysqld could use up to 
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 63617 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x7f6b70000b00
      Attempting backtrace. You can use the following information to find out
      where mysqld died. If you see no messages after this, something went
      terribly wrong...
      stack_bottom = 0x7f6bd815fd30 thread_stack 0x49000
      mysys/stacktrace.c:269(my_print_stacktrace)[0x555b10451434]
      sql/signal_handler.cc:209(handle_fatal_signal)[0x555b0fbbda53]
      sigaction.c:0(__restore_rt)[0x7f6be97815d0]
      :0(__GI_raise)[0x7f6be7a6f207]
      :0(__GI_abort)[0x7f6be7a708f8]
      :0(__assert_fail_base)[0x7f6be7a68026]
      :0(__GI___assert_fail)[0x7f6be7a680d2]
      psi/mysql_socket.h:740(inline_mysql_socket_send)[0x555b104bf8f4]
      vio/viosocket.c:300(vio_write)[0x555b104c05b3]
      sql/net_serv.cc:681(net_real_write)[0x555b0fd3e056]
      sql/net_serv.cc:384(net_flush)[0x555b0fd3d710]
      sql/net_serv.cc:521(net_write_command)[0x555b0fd3db56]
      sql/protocol.cc:476(net_send_error_packet(THD*, unsigned int, char const*, char const*))[0x555b0f732ec8]
      sql/protocol.cc:672(Protocol::send_error(unsigned int, char const*, char const*))[0x555b0f733776]
      sql/protocol.cc:598(Protocol::end_statement())[0x555b0f733370]
      sql/sql_parse.cc:1253(do_command(THD*))[0x555b0f85635a]
      sql/sql_connect.cc:1412(do_handle_one_connection(CONNECT*))[0x555b0f9e0593]
      sql/sql_connect.cc:1317(handle_one_connection)[0x555b0f9e02c2]
      perfschema/pfs.cc:1864(pfs_spawn_thread)[0x555b103df8d1]
      pthread_create.c:0(start_thread)[0x7f6be9779dd5]
      /lib64/libc.so.6(clone+0x6d)[0x7f6be7b36ead]
       
      Trying to get some variables.
      Some pointers may be invalid and cause the dump to abort.
      Query (0x0): 
      Connection ID (thread ID): 123
      Status: KILL_CONNECTION
       
      Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on
       
      The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
      information that should help you find out what is causing the crash.
      Writing a core file...
      Working directory at /home/stepan/mariadb/10.4/github/mysql-test/var/3/mysqld.1/data
      Resource Limits:
      Limit                     Soft Limit           Hard Limit           Units     
      Max cpu time              unlimited            unlimited            seconds   
      Max file size             unlimited            unlimited            bytes     
      Max data size             unlimited            unlimited            bytes     
      Max stack size            8388608              unlimited            bytes     
      Max core file size        unlimited            unlimited            bytes     
      Max resident set          unlimited            unlimited            bytes     
      Max processes             4096                 23005                processes 
      Max open files            1024                 1024                 files     
      Max locked memory         65536                65536                bytes     
      Max address space         unlimited            unlimited            bytes     
      Max file locks            unlimited            unlimited            locks     
      Max pending signals       23005                23005                signals   
      Max msgqueue size         819200               819200               bytes     
      Max nice priority         0                    0                    
      Max realtime priority     0                    0                    
      Max realtime timeout      unlimited            unlimited            us        
      Core pattern: |/usr/libexec/abrt-hook-ccpp %s %c %p %u %g %t e %P %I %h
       
      ----------SERVER LOG END-------------
       
       
       - found 'core.2870' (0/5)
       
      Trying 'dbx' to get a backtrace
       
      Trying 'gdb' to get a backtrace from coredump /home/stepan/mariadb/10.4/github/mysql-test/var/3/log/galera.galera_pc_ignore_sb-innodb/mysqld.1/data/core.2870
      Core generated by '/home/stepan/mariadb/10.4/github/sql/mysqld'
      Output from gdb follows. The first stack trace is from the failing thread.
      The following stack traces are from all threads (so the failing one is
      duplicated).
      --------------------------
      [New LWP 2998]
      [New LWP 2875]
      [New LWP 2923]
      [New LWP 2943]
      [New LWP 2871]
      [New LWP 2870]
      [New LWP 2931]
      [New LWP 2928]
      [New LWP 2872]
      [New LWP 2934]
      [New LWP 4022]
      [New LWP 2877]
      [New LWP 2936]
      [New LWP 2878]
      [New LWP 2939]
      [New LWP 2929]
      [New LWP 2944]
      [New LWP 2968]
      [New LWP 2933]
      [New LWP 2942]
      [New LWP 2937]
      [New LWP 2935]
      [New LWP 2938]
      [New LWP 2932]
      [New LWP 2940]
      [New LWP 2881]
      [New LWP 2941]
      [New LWP 2880]
      [New LWP 2997]
      [New LWP 2879]
      [Thread debugging using libthread_db enabled]
      Using host libthread_db library "/lib64/libthread_db.so.1".
      Core was generated by `/home/stepan/mariadb/10.4/github/sql/mysqld --defaults-group-suffix=.1 --defaul'.
      Program terminated with signal 6, Aborted.
      #0  0x00007f6be977e9d1 in pthread_kill () from /lib64/libpthread.so.0
      #0  0x00007f6be977e9d1 in pthread_kill () from /lib64/libpthread.so.0
      #1  0x0000555b10451522 in my_write_core (sig=6) at /home/stepan/mariadb/10.4/github/mysys/stacktrace.c:481
      #2  0x0000555b0fbbddda in handle_fatal_signal (sig=6) at /home/stepan/mariadb/10.4/github/sql/signal_handler.cc:343
      #3  <signal handler called>
      #4  0x00007f6be7a6f207 in raise () from /lib64/libc.so.6
      #5  0x00007f6be7a708f8 in abort () from /lib64/libc.so.6
      #6  0x00007f6be7a68026 in __assert_fail_base () from /lib64/libc.so.6
      #7  0x00007f6be7a680d2 in __assert_fail () from /lib64/libc.so.6
      #8  0x0000555b104bf8f4 in inline_mysql_socket_send (src_file=0x555b10a4b380 "/home/stepan/mariadb/10.4/github/vio/viosocket.c", src_line=301, mysql_socket=..., buf=0x7f6b7019caf0, n=34, flags=64) at /home/stepan/mariadb/10.4/github/include/mysql/psi/mysql_socket.h:738
      #9  0x0000555b104c05b3 in vio_write (vio=0x555b1230cee0, buf=0x7f6b7019caf0 "\036", size=34) at /home/stepan/mariadb/10.4/github/vio/viosocket.c:300
      #10 0x0000555b0fd3e056 in net_real_write (net=0x7f6b70000df8, packet=0x7f6b7019caf0 "\036", len=34) at /home/stepan/mariadb/10.4/github/sql/net_serv.cc:681
      #11 0x0000555b0fd3d710 in net_flush (net=0x7f6b70000df8) at /home/stepan/mariadb/10.4/github/sql/net_serv.cc:383
      #12 0x0000555b0fd3db56 in net_write_command (net=0x7f6b70000df8, command=255 '\377', header=0x555b1051e680 "", head_len=0, packet=0x7f6bd815f160 "\207\a#70100Connection was killed", len=29) at /home/stepan/mariadb/10.4/github/sql/net_serv.cc:521
      #13 0x0000555b0f732ec8 in net_send_error_packet (thd=0x7f6b70000b00, sql_errno=1927, err=0x7f6b700064eb "Connection was killed", sqlstate=0x7f6b700064d0 "70100") at /home/stepan/mariadb/10.4/github/sql/protocol.cc:476
      #14 0x0000555b0f733776 in Protocol::send_error (this=0x7f6b700010c8, sql_errno=1927, err_msg=0x7f6b700064eb "Connection was killed", sql_state=0x7f6b700064d0 "70100") at /home/stepan/mariadb/10.4/github/sql/protocol.cc:672
      #15 0x0000555b0f733370 in Protocol::end_statement (this=0x7f6b700010c8) at /home/stepan/mariadb/10.4/github/sql/protocol.cc:598
      #16 0x0000555b0f85635a in do_command (thd=0x7f6b70000b00) at /home/stepan/mariadb/10.4/github/sql/sql_parse.cc:1250
      #17 0x0000555b0f9e0593 in do_handle_one_connection (connect=0x555b128dbf20) at /home/stepan/mariadb/10.4/github/sql/sql_connect.cc:1412
      #18 0x0000555b0f9e02c2 in handle_one_connection (arg=0x555b128dbf20) at /home/stepan/mariadb/10.4/github/sql/sql_connect.cc:1316
      #19 0x0000555b103df8d1 in pfs_spawn_thread (arg=0x555b128cab60) at /home/stepan/mariadb/10.4/github/storage/perfschema/pfs.cc:1862
      #20 0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #21 0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 30 (Thread 0x7f6bc25fd700 (LWP 2879)):
      #0  0x00007f6be934a644 in __io_getevents_0_4 () from /lib64/libaio.so.1
      #1  0x0000555b0fefe1d9 in LinuxAIOHandler::collect (this=0x7f6bc25fcb00) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:1809
      #2  0x0000555b0fefe822 in LinuxAIOHandler::poll (this=0x7f6bc25fcb00, m1=0x7f6bc25fcba8, m2=0x7f6bc25fcbb0, request=0x7f6bc25fcbe0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:1968
      #3  0x0000555b0fefe985 in os_aio_linux_handler (global_segment=1, m1=0x7f6bc25fcba8, m2=0x7f6bc25fcbb0, request=0x7f6bc25fcbe0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:2022
      #4  0x0000555b0ff036ec in os_aio_handler (segment=1, m1=0x7f6bc25fcba8, m2=0x7f6bc25fcbb0, request=0x7f6bc25fcbe0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:5561
      #5  0x0000555b101b9925 in fil_aio_wait (segment=1) at /home/stepan/mariadb/10.4/github/storage/innobase/fil/fil0fil.cc:4357
      #6  0x0000555b1002b26e in io_handler_thread (arg=0x555b112618c8 <n+8>) at /home/stepan/mariadb/10.4/github/storage/innobase/srv/srv0start.cc:324
      #7  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #8  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 29 (Thread 0x7f6bd81ab700 (LWP 2997)):
      #0  0x00007f6be977d965 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1  0x0000555b10456b95 in safe_cond_wait (cond=0x555b111e2fe0 <COND_slave_background>, mp=0x555b111e6260 <LOCK_slave_background>, file=0x555b10522e40 "/home/stepan/mariadb/10.4/github/include/mysql/psi/mysql_thread.h", line=1167) at /home/stepan/mariadb/10.4/github/mysys/thr_mutex.c:492
      #2  0x0000555b0f7488de in inline_mysql_cond_wait (that=0x555b111e2fe0 <COND_slave_background>, mutex=0x555b111e6260 <LOCK_slave_background>, src_file=0x555b105239a0 "/home/stepan/mariadb/10.4/github/sql/slave.cc", src_line=519) at /home/stepan/mariadb/10.4/github/include/mysql/psi/mysql_thread.h:1167
      #3  0x0000555b0f74a21b in handle_slave_background (arg=0x0) at /home/stepan/mariadb/10.4/github/sql/slave.cc:519
      #4  0x0000555b103df8d1 in pfs_spawn_thread (arg=0x555b128d6b80) at /home/stepan/mariadb/10.4/github/storage/perfschema/pfs.cc:1862
      #5  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #6  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 28 (Thread 0x7f6bc1dfc700 (LWP 2880)):
      #0  0x00007f6be934a644 in __io_getevents_0_4 () from /lib64/libaio.so.1
      #1  0x0000555b0fefe1d9 in LinuxAIOHandler::collect (this=0x7f6bc1dfbb00) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:1809
      #2  0x0000555b0fefe822 in LinuxAIOHandler::poll (this=0x7f6bc1dfbb00, m1=0x7f6bc1dfbba8, m2=0x7f6bc1dfbbb0, request=0x7f6bc1dfbbe0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:1968
      #3  0x0000555b0fefe985 in os_aio_linux_handler (global_segment=2, m1=0x7f6bc1dfbba8, m2=0x7f6bc1dfbbb0, request=0x7f6bc1dfbbe0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:2022
      #4  0x0000555b0ff036ec in os_aio_handler (segment=2, m1=0x7f6bc1dfbba8, m2=0x7f6bc1dfbbb0, request=0x7f6bc1dfbbe0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:5561
      #5  0x0000555b101b9925 in fil_aio_wait (segment=2) at /home/stepan/mariadb/10.4/github/storage/innobase/fil/fil0fil.cc:4357
      #6  0x0000555b1002b26e in io_handler_thread (arg=0x555b112618d0 <n+16>) at /home/stepan/mariadb/10.4/github/storage/innobase/srv/srv0start.cc:324
      #7  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #8  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 27 (Thread 0x7f6bb17fa700 (LWP 2941)):
      #0  0x00007f6be977d965 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1  0x0000555b0ff0c7a3 in os_event::wait (this=0x555b124d36a0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:158
      #2  0x0000555b0ff0c297 in os_event::wait_low (this=0x555b124d36a0, reset_sig_count=1) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:325
      #3  0x0000555b0ff0c59a in os_event_wait_low (event=0x555b124d36a0, reset_sig_count=0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:502
      #4  0x0000555b1012a2b2 in buf_dump_thread () at /home/stepan/mariadb/10.4/github/storage/innobase/buf/buf0dump.cc:833
      #5  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #6  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 26 (Thread 0x7f6bc15fb700 (LWP 2881)):
      #0  0x00007f6be934a644 in __io_getevents_0_4 () from /lib64/libaio.so.1
      #1  0x0000555b0fefe1d9 in LinuxAIOHandler::collect (this=0x7f6bc15fab00) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:1809
      #2  0x0000555b0fefe822 in LinuxAIOHandler::poll (this=0x7f6bc15fab00, m1=0x7f6bc15faba8, m2=0x7f6bc15fabb0, request=0x7f6bc15fabe0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:1968
      #3  0x0000555b0fefe985 in os_aio_linux_handler (global_segment=3, m1=0x7f6bc15faba8, m2=0x7f6bc15fabb0, request=0x7f6bc15fabe0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:2022
      #4  0x0000555b0ff036ec in os_aio_handler (segment=3, m1=0x7f6bc15faba8, m2=0x7f6bc15fabb0, request=0x7f6bc15fabe0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:5561
      #5  0x0000555b101b9925 in fil_aio_wait (segment=3) at /home/stepan/mariadb/10.4/github/storage/innobase/fil/fil0fil.cc:4357
      #6  0x0000555b1002b26e in io_handler_thread (arg=0x555b112618d8 <n+24>) at /home/stepan/mariadb/10.4/github/storage/innobase/srv/srv0start.cc:324
      #7  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #8  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 25 (Thread 0x7f6bb1ffb700 (LWP 2940)):
      #0  0x00007f6be977d965 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1  0x0000555b0ff0c7a3 in os_event::wait (this=0x555b124d3520) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:158
      #2  0x0000555b0ff0c297 in os_event::wait_low (this=0x555b124d3520, reset_sig_count=750) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:325
      #3  0x0000555b0ff0c59a in os_event_wait_low (event=0x555b124d3520, reset_sig_count=0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:502
      #4  0x0000555b10024754 in srv_resume_thread (slot=0x555b1101df10 <srv_sys+1360>, sig_count=0, wait=true, timeout_usec=0) at /home/stepan/mariadb/10.4/github/storage/innobase/srv/srv0srv.cc:909
      #5  0x0000555b10028a15 in srv_worker_thread (arg=0x0) at /home/stepan/mariadb/10.4/github/storage/innobase/srv/srv0srv.cc:2517
      #6  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #7  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 24 (Thread 0x7f6bb9ffb700 (LWP 2932)):
      #0  0x00007f6be977dd12 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1  0x0000555b0ff0c12c in os_event::timed_wait (this=0x555b124d35a0, abstime=0x7f6bb9ffabb0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:275
      #2  0x0000555b0ff0c3d5 in os_event::wait_time_low (this=0x555b124d35a0, time_in_usec=1000000, reset_sig_count=1) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:385
      #3  0x0000555b0ff0c575 in os_event_wait_time_low (event=0x555b124d35a0, time_in_usec=1000000, reset_sig_count=1) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:485
      #4  0x0000555b10026bb5 in srv_error_monitor_thread () at /home/stepan/mariadb/10.4/github/storage/innobase/srv/srv0srv.cc:1851
      #5  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #6  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 23 (Thread 0x7f6bb2ffd700 (LWP 2938)):
      #0  0x00007f6be977d965 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1  0x0000555b0ff0c7a3 in os_event::wait (this=0x555b124d3420) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:158
      #2  0x0000555b0ff0c297 in os_event::wait_low (this=0x555b124d3420, reset_sig_count=886) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:325
      #3  0x0000555b0ff0c59a in os_event_wait_low (event=0x555b124d3420, reset_sig_count=0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:502
      #4  0x0000555b10024754 in srv_resume_thread (slot=0x555b1101dd10 <srv_sys+848>, sig_count=0, wait=true, timeout_usec=0) at /home/stepan/mariadb/10.4/github/storage/innobase/srv/srv0srv.cc:909
      #5  0x0000555b10028a15 in srv_worker_thread (arg=0x0) at /home/stepan/mariadb/10.4/github/storage/innobase/srv/srv0srv.cc:2517
      #6  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #7  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 22 (Thread 0x7f6bb3fff700 (LWP 2935)):
      #0  0x00007f6be977dd12 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1  0x0000555b0ff0c12c in os_event::timed_wait (this=0x555b1266f790, abstime=0x7f6bb3ffeb70) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:275
      #2  0x0000555b0ff0c3d5 in os_event::wait_time_low (this=0x555b1266f790, time_in_usec=5000000, reset_sig_count=1) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:385
      #3  0x0000555b0ff0c575 in os_event_wait_time_low (event=0x555b1266f790, time_in_usec=5000000, reset_sig_count=1) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:485
      #4  0x0000555b1009498f in ib_wqueue_timedwait (wq=0x555b12668c50, wait_in_usecs=5000000) at /home/stepan/mariadb/10.4/github/storage/innobase/ut/ut0wqueue.cc:163
      #5  0x0000555b10207669 in fts_optimize_thread (arg=0x555b12668c50) at /home/stepan/mariadb/10.4/github/storage/innobase/fts/fts0opt.cc:2865
      #6  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #7  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 21 (Thread 0x7f6bb37fe700 (LWP 2937)):
      #0  0x00007f6be977d965 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1  0x0000555b0ff0c7a3 in os_event::wait (this=0x555b124d33a0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:158
      #2  0x0000555b0ff0c297 in os_event::wait_low (this=0x555b124d33a0, reset_sig_count=297) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:325
      #3  0x0000555b0ff0c59a in os_event_wait_low (event=0x555b124d33a0, reset_sig_count=297) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:502
      #4  0x0000555b10024754 in srv_resume_thread (slot=0x555b1101dc10 <srv_sys+592>, sig_count=297, wait=true, timeout_usec=0) at /home/stepan/mariadb/10.4/github/storage/innobase/srv/srv0srv.cc:909
      #5  0x0000555b10028ecc in srv_purge_coordinator_suspend (slot=0x555b1101dc10 <srv_sys+592>, rseg_history_len=5) at /home/stepan/mariadb/10.4/github/storage/innobase/srv/srv0srv.cc:2657
      #6  0x0000555b100291fd in srv_purge_coordinator_thread (arg=0x0) at /home/stepan/mariadb/10.4/github/storage/innobase/srv/srv0srv.cc:2738
      #7  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #8  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 20 (Thread 0x7f6bb0ff9700 (LWP 2942)):
      #0  0x00007f6be9780e3d in nanosleep () from /lib64/libpthread.so.0
      #1  0x0000555b0ff0cae0 in os_thread_sleep (tm=1000000) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0thread.cc:225
      #2  0x0000555b100ff1ff in btr_defragment_thread () at /home/stepan/mariadb/10.4/github/storage/innobase/btr/btr0defragment.cc:705
      #3  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #4  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 19 (Thread 0x7f6bb97fa700 (LWP 2933)):
      #0  0x00007f6be977dd12 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1  0x0000555b0ff0c12c in os_event::timed_wait (this=0x555b124d3620, abstime=0x7f6bb97f9d30) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:275
      #2  0x0000555b0ff0c3d5 in os_event::wait_time_low (this=0x555b124d3620, time_in_usec=5000000, reset_sig_count=1) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:385
      #3  0x0000555b0ff0c575 in os_event_wait_time_low (event=0x555b124d3620, time_in_usec=5000000, reset_sig_count=1) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:485
      #4  0x0000555b1002663b in srv_monitor_thread () at /home/stepan/mariadb/10.4/github/storage/innobase/srv/srv0srv.cc:1687
      #5  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #6  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 18 (Thread 0x7f6bd81f6700 (LWP 2968)):
      #0  0x00007f6be7a7040a in sigwaitinfo () from /lib64/libc.so.6
      #1  0x0000555b0f715964 in my_sigwait (set=0x7f6bd81f5cf0, sig=0x7f6bd81f5cb4, code=0x7f6bd81f5cb8) at /home/stepan/mariadb/10.4/github/include/my_pthread.h:198
      #2  0x0000555b0f71c2dd in signal_hand (arg=0x0) at /home/stepan/mariadb/10.4/github/sql/mysqld.cc:3243
      #3  0x0000555b103df8d1 in pfs_spawn_thread (arg=0x555b127b1b90) at /home/stepan/mariadb/10.4/github/storage/perfschema/pfs.cc:1862
      #4  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #5  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 17 (Thread 0x7f6b8f7fe700 (LWP 2944)):
      #0  0x00007f6be977d965 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1  0x0000555b10456b95 in safe_cond_wait (cond=0x7f6b8f7fdc70, mp=0x7f6b8f7fdcb0, file=0x555b107429e0 "/home/stepan/mariadb/10.4/github/include/mysql/psi/mysql_thread.h", line=1178) at /home/stepan/mariadb/10.4/github/mysys/thr_mutex.c:492
      #2  0x0000555b0fdff589 in inline_mysql_cond_wait (that=0x7f6b8f7fdc70, mutex=0x7f6b8f7fdcb0, src_file=0x555b107444f8 "/home/stepan/mariadb/10.4/github/storage/innobase/handler/ha_innodb.cc", src_line=288) at /home/stepan/mariadb/10.4/github/include/mysql/psi/mysql_thread.h:1178
      #3  0x0000555b0fe04e81 in thd_destructor_proxy () at /home/stepan/mariadb/10.4/github/storage/innobase/handler/ha_innodb.cc:288
      #4  0x0000555b103df8d1 in pfs_spawn_thread (arg=0x555b1277c0a0) at /home/stepan/mariadb/10.4/github/storage/perfschema/pfs.cc:1862
      #5  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #6  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 16 (Thread 0x7f6bbb7fe700 (LWP 2929)):
      #0  0x00007f6be977dd12 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1  0x0000555b0ff0c12c in os_event::timed_wait (this=0x555b124d3720, abstime=0x7f6bbb7fdb00) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:275
      #2  0x0000555b0ff0c3d5 in os_event::wait_time_low (this=0x555b124d3720, time_in_usec=1000000, reset_sig_count=2) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:385
      #3  0x0000555b0ff0c575 in os_event_wait_time_low (event=0x555b124d3720, time_in_usec=1000000, reset_sig_count=2) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:485
      #4  0x0000555b10136784 in pc_sleep_if_needed (next_loop_time=201293146, sig_count=2, cur_time=201292146) at /home/stepan/mariadb/10.4/github/storage/innobase/buf/buf0flu.cc:2643
      #5  0x0000555b10137928 in buf_flush_page_cleaner_coordinator () at /home/stepan/mariadb/10.4/github/storage/innobase/buf/buf0flu.cc:3102
      #6  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #7  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 15 (Thread 0x7f6bb27fc700 (LWP 2939)):
      #0  0x00007f6be977d965 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1  0x0000555b0ff0c7a3 in os_event::wait (this=0x555b124d34a0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:158
      #2  0x0000555b0ff0c297 in os_event::wait_low (this=0x555b124d34a0, reset_sig_count=777) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:325
      #3  0x0000555b0ff0c59a in os_event_wait_low (event=0x555b124d34a0, reset_sig_count=0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:502
      #4  0x0000555b10024754 in srv_resume_thread (slot=0x555b1101de10 <srv_sys+1104>, sig_count=0, wait=true, timeout_usec=0) at /home/stepan/mariadb/10.4/github/storage/innobase/srv/srv0srv.cc:909
      #5  0x0000555b10028a15 in srv_worker_thread (arg=0x0) at /home/stepan/mariadb/10.4/github/storage/innobase/srv/srv0srv.cc:2517
      #6  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #7  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 14 (Thread 0x7f6bc2dfe700 (LWP 2878)):
      #0  0x00007f6be934a644 in __io_getevents_0_4 () from /lib64/libaio.so.1
      #1  0x0000555b0fefe1d9 in LinuxAIOHandler::collect (this=0x7f6bc2dfdb00) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:1809
      #2  0x0000555b0fefe822 in LinuxAIOHandler::poll (this=0x7f6bc2dfdb00, m1=0x7f6bc2dfdba8, m2=0x7f6bc2dfdbb0, request=0x7f6bc2dfdbe0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:1968
      #3  0x0000555b0fefe985 in os_aio_linux_handler (global_segment=0, m1=0x7f6bc2dfdba8, m2=0x7f6bc2dfdbb0, request=0x7f6bc2dfdbe0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:2022
      #4  0x0000555b0ff036ec in os_aio_handler (segment=0, m1=0x7f6bc2dfdba8, m2=0x7f6bc2dfdbb0, request=0x7f6bc2dfdbe0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:5561
      #5  0x0000555b101b9925 in fil_aio_wait (segment=0) at /home/stepan/mariadb/10.4/github/storage/innobase/fil/fil0fil.cc:4357
      #6  0x0000555b1002b26e in io_handler_thread (arg=0x555b112618c0 <n>) at /home/stepan/mariadb/10.4/github/storage/innobase/srv/srv0start.cc:324
      #7  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #8  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 13 (Thread 0x7f6bbaffd700 (LWP 2936)):
      #0  0x00007f6be9780e3d in nanosleep () from /lib64/libpthread.so.0
      #1  0x0000555b0ff0cae0 in os_thread_sleep (tm=1000000) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0thread.cc:225
      #2  0x0000555b10028191 in srv_master_sleep () at /home/stepan/mariadb/10.4/github/storage/innobase/srv/srv0srv.cc:2334
      #3  0x0000555b100282f9 in srv_master_thread (arg=0x0) at /home/stepan/mariadb/10.4/github/storage/innobase/srv/srv0srv.cc:2375
      #4  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #5  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 12 (Thread 0x7f6bc3fff700 (LWP 2877)):
      #0  0x00007f6be977dd12 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1  0x0000555b10456e97 in safe_cond_timedwait (cond=0x555b11a72520 <COND_checkpoint>, mp=0x555b11a72460 <LOCK_checkpoint>, abstime=0x7f6bc3ffecb0, file=0x555b108bf580 "/home/stepan/mariadb/10.4/github/include/mysql/psi/mysql_thread.h", line=1204) at /home/stepan/mariadb/10.4/github/mysys/thr_mutex.c:546
      #2  0x0000555b102ae535 in inline_mysql_cond_timedwait (that=0x555b11a72520 <COND_checkpoint>, mutex=0x555b11a72460 <LOCK_checkpoint>, abstime=0x7f6bc3ffecb0, src_file=0x555b108bf5c8 "/home/stepan/mariadb/10.4/github/storage/maria/ma_servicethread.c", src_line=116) at /home/stepan/mariadb/10.4/github/include/mysql/psi/mysql_thread.h:1204
      #3  0x0000555b102aea79 in my_service_thread_sleep (control=0x555b11024780 <checkpoint_control>, sleep_time=30000000000) at /home/stepan/mariadb/10.4/github/storage/maria/ma_servicethread.c:115
      #4  0x0000555b102a2936 in ma_checkpoint_background (arg=0x1e) at /home/stepan/mariadb/10.4/github/storage/maria/ma_checkpoint.c:707
      #5  0x0000555b103df8d1 in pfs_spawn_thread (arg=0x555b1248b270) at /home/stepan/mariadb/10.4/github/storage/perfschema/pfs.cc:1862
      #6  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #7  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 11 (Thread 0x7f6bd80ca700 (LWP 4022)):
      #0  0x00007f6be7afde2d in nanosleep () from /lib64/libc.so.6
      #1  0x00007f6be7afdcc4 in sleep () from /lib64/libc.so.6
      #2  0x0000555b0facdcd0 in wsrep_close_client_connections (wait_to_end=1 '\001', except_caller_thd=0x7f6b6c000b00) at /home/stepan/mariadb/10.4/github/sql/wsrep_mysqld.cc:2344
      #3  0x0000555b0fac768a in wsrep_stop_replication (thd=0x7f6b6c000b00) at /home/stepan/mariadb/10.4/github/sql/wsrep_mysqld.cc:943
      #4  0x0000555b0fad9f2e in wsrep_cluster_address_update (self=0x555b1120b7e0 <Sys_wsrep_cluster_address>, thd=0x7f6b6c000b00, type=SHOW_OPT_GLOBAL) at /home/stepan/mariadb/10.4/github/sql/wsrep_var.cc:483
      #5  0x0000555b0f7431a8 in sys_var::update (this=0x555b1120b7e0 <Sys_wsrep_cluster_address>, thd=0x7f6b6c000b00, var=0x7f6b6c01dc50) at /home/stepan/mariadb/10.4/github/sql/set_var.cc:209
      #6  0x0000555b0f744f44 in set_var::update (this=0x7f6b6c01dc50, thd=0x7f6b6c000b00) at /home/stepan/mariadb/10.4/github/sql/set_var.cc:837
      #7  0x0000555b0f744bbe in sql_set_variables (thd=0x7f6b6c000b00, var_list=0x7f6b6c005930, free=true) at /home/stepan/mariadb/10.4/github/sql/set_var.cc:740
      #8  0x0000555b0f8629bb in mysql_execute_command (thd=0x7f6b6c000b00) at /home/stepan/mariadb/10.4/github/sql/sql_parse.cc:4944
      #9  0x0000555b0f86cff7 in mysql_parse (thd=0x7f6b6c000b00, rawbuf=0x7f6b6c01dae8 "SET GLOBAL wsrep_cluster_address = ''", length=37, parser_state=0x7f6bd80c9030, is_com_multi=false, is_next_command=false) at /home/stepan/mariadb/10.4/github/sql/sql_parse.cc:7912
      #10 0x0000555b0f86c5aa in wsrep_mysql_parse (thd=0x7f6b6c000b00, rawbuf=0x7f6b6c01dae8 "SET GLOBAL wsrep_cluster_address = ''", length=37, parser_state=0x7f6bd80c9030, is_com_multi=false, is_next_command=false) at /home/stepan/mariadb/10.4/github/sql/sql_parse.cc:7716
      #11 0x0000555b0f8582b9 in dispatch_command (command=COM_QUERY, thd=0x7f6b6c000b00, packet=0x7f6b6c0159b1 "SET GLOBAL wsrep_cluster_address = ''", packet_length=37, is_com_multi=false, is_next_command=false) at /home/stepan/mariadb/10.4/github/sql/sql_parse.cc:1826
      #12 0x0000555b0f8569cc in do_command (thd=0x7f6b6c000b00) at /home/stepan/mariadb/10.4/github/sql/sql_parse.cc:1359
      #13 0x0000555b0f9e0593 in do_handle_one_connection (connect=0x555b128dbf20) at /home/stepan/mariadb/10.4/github/sql/sql_connect.cc:1412
      #14 0x0000555b0f9e02c2 in handle_one_connection (arg=0x555b128dbf20) at /home/stepan/mariadb/10.4/github/sql/sql_connect.cc:1316
      #15 0x0000555b103df8d1 in pfs_spawn_thread (arg=0x555b128378c0) at /home/stepan/mariadb/10.4/github/storage/perfschema/pfs.cc:1862
      #16 0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #17 0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 10 (Thread 0x7f6bb8ff9700 (LWP 2934)):
      #0  0x00007f6be977dd12 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1  0x0000555b0ff0c12c in os_event::timed_wait (this=0x555b12740580, abstime=0x7f6bb8ff8d70) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:275
      #2  0x0000555b0ff0c3d5 in os_event::wait_time_low (this=0x555b12740580, time_in_usec=10000000, reset_sig_count=1) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:385
      #3  0x0000555b0ff0c575 in os_event_wait_time_low (event=0x555b12740580, time_in_usec=10000000, reset_sig_count=0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:485
      #4  0x0000555b101a0af6 in dict_stats_thread () at /home/stepan/mariadb/10.4/github/storage/innobase/dict/dict0stats_bg.cc:476
      #5  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #6  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 9 (Thread 0x7f6be0881700 (LWP 2872)):
      #0  0x00007f6be977d965 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1  0x00007f6be16d8dd7 in gu::Lock::wait (cond=..., this=0x7f6be0880bf0) at galerautils/src/gu_lock.hpp:45
      #2  0x00007f6be16d8e69 in galera::ServiceThd::thd_func (arg=0x555b12383768) at galera/src/galera_service_thd.cpp:30
      #3  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #4  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 8 (Thread 0x7f6bbbfff700 (LWP 2928)):
      #0  0x00007f6be934a644 in __io_getevents_0_4 () from /lib64/libaio.so.1
      #1  0x0000555b0fefe1d9 in LinuxAIOHandler::collect (this=0x7f6bbbffeb00) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:1809
      #2  0x0000555b0fefe822 in LinuxAIOHandler::poll (this=0x7f6bbbffeb00, m1=0x7f6bbbffeba8, m2=0x7f6bbbffebb0, request=0x7f6bbbffebe0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:1968
      #3  0x0000555b0fefe985 in os_aio_linux_handler (global_segment=5, m1=0x7f6bbbffeba8, m2=0x7f6bbbffebb0, request=0x7f6bbbffebe0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:2022
      #4  0x0000555b0ff036ec in os_aio_handler (segment=5, m1=0x7f6bbbffeba8, m2=0x7f6bbbffebb0, request=0x7f6bbbffebe0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:5561
      #5  0x0000555b101b9925 in fil_aio_wait (segment=5) at /home/stepan/mariadb/10.4/github/storage/innobase/fil/fil0fil.cc:4357
      #6  0x0000555b1002b26e in io_handler_thread (arg=0x555b112618e8 <n+40>) at /home/stepan/mariadb/10.4/github/storage/innobase/srv/srv0start.cc:324
      #7  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #8  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 7 (Thread 0x7f6bba7fc700 (LWP 2931)):
      #0  0x00007f6be977dd12 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1  0x0000555b0ff0c12c in os_event::timed_wait (this=0x555b1270e560, abstime=0x7f6bba7fbd50) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:275
      #2  0x0000555b0ff0c3d5 in os_event::wait_time_low (this=0x555b1270e560, time_in_usec=1000000, reset_sig_count=1) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:385
      #3  0x0000555b0ff0c575 in os_event_wait_time_low (event=0x555b1270e560, time_in_usec=1000000, reset_sig_count=1) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:485
      #4  0x0000555b0fece953 in lock_wait_timeout_thread () at /home/stepan/mariadb/10.4/github/storage/innobase/lock/lock0wait.cc:522
      #5  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #6  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 6 (Thread 0x7f6be9b8a880 (LWP 2870)):
      #0  0x00007f6be7b2c20d in poll () from /lib64/libc.so.6
      #1  0x0000555b0f722b2b in handle_connections_sockets () at /home/stepan/mariadb/10.4/github/sql/mysqld.cc:6455
      #2  0x0000555b0f721dc6 in mysqld_main (argc=163, argv=0x555b12209130) at /home/stepan/mariadb/10.4/github/sql/mysqld.cc:5891
      #3  0x0000555b0f7158e5 in main (argc=24, argv=0x7fff9608f7b8) at /home/stepan/mariadb/10.4/github/sql/main.cc:25
       
      Thread 5 (Thread 0x7f6be2212700 (LWP 2871)):
      #0  0x00007f6be977dd12 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1  0x0000555b10456e97 in safe_cond_timedwait (cond=0x555b11a84c20 <COND_timer>, mp=0x555b11a84b60 <LOCK_timer>, abstime=0x7f6be2211d70, file=0x555b10908150 "/home/stepan/mariadb/10.4/github/include/mysql/psi/mysql_thread.h", line=1204) at /home/stepan/mariadb/10.4/github/mysys/thr_mutex.c:546
      #2  0x0000555b10457eda in inline_mysql_cond_timedwait (that=0x555b11a84c20 <COND_timer>, mutex=0x555b11a84b60 <LOCK_timer>, abstime=0x7f6be2211d70, src_file=0x555b10908198 "/home/stepan/mariadb/10.4/github/mysys/thr_timer.c", src_line=292) at /home/stepan/mariadb/10.4/github/include/mysql/psi/mysql_thread.h:1204
      #3  0x0000555b10458a9d in timer_handler (arg=0x0) at /home/stepan/mariadb/10.4/github/mysys/thr_timer.c:292
      #4  0x0000555b103df8d1 in pfs_spawn_thread (arg=0x555b1234f270) at /home/stepan/mariadb/10.4/github/storage/perfschema/pfs.cc:1862
      #5  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #6  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 4 (Thread 0x7f6b8ffff700 (LWP 2943)):
      #0  0x00007f6be977d965 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1  0x0000555b0ff0c7a3 in os_event::wait (this=0x555b124d37a0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:158
      #2  0x0000555b0ff0c297 in os_event::wait_low (this=0x555b124d37a0, reset_sig_count=1) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:325
      #3  0x0000555b0ff0c59a in os_event_wait_low (event=0x555b124d37a0, reset_sig_count=0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0event.cc:502
      #4  0x0000555b1010fc05 in buf_resize_thread () at /home/stepan/mariadb/10.4/github/storage/innobase/buf/buf0buf.cc:3199
      #5  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #6  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 3 (Thread 0x7f6bc0dfa700 (LWP 2923)):
      #0  0x00007f6be934a644 in __io_getevents_0_4 () from /lib64/libaio.so.1
      #1  0x0000555b0fefe1d9 in LinuxAIOHandler::collect (this=0x7f6bc0df9b00) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:1809
      #2  0x0000555b0fefe822 in LinuxAIOHandler::poll (this=0x7f6bc0df9b00, m1=0x7f6bc0df9ba8, m2=0x7f6bc0df9bb0, request=0x7f6bc0df9be0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:1968
      #3  0x0000555b0fefe985 in os_aio_linux_handler (global_segment=4, m1=0x7f6bc0df9ba8, m2=0x7f6bc0df9bb0, request=0x7f6bc0df9be0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:2022
      #4  0x0000555b0ff036ec in os_aio_handler (segment=4, m1=0x7f6bc0df9ba8, m2=0x7f6bc0df9bb0, request=0x7f6bc0df9be0) at /home/stepan/mariadb/10.4/github/storage/innobase/os/os0file.cc:5561
      #5  0x0000555b101b9925 in fil_aio_wait (segment=4) at /home/stepan/mariadb/10.4/github/storage/innobase/fil/fil0fil.cc:4357
      #6  0x0000555b1002b26e in io_handler_thread (arg=0x555b112618e0 <n+32>) at /home/stepan/mariadb/10.4/github/storage/innobase/srv/srv0start.cc:324
      #7  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #8  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 2 (Thread 0x7f6be0080700 (LWP 2875)):
      #0  0x00007f6be977d965 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
      #1  0x0000555b10456b95 in safe_cond_wait (cond=0x7f6bd4015a68, mp=0x7f6bd40159b8, file=0x555b105d0fa0 "/home/stepan/mariadb/10.4/github/include/mysql/psi/mysql_thread.h", line=1178) at /home/stepan/mariadb/10.4/github/mysys/thr_mutex.c:492
      #2  0x0000555b0fade834 in inline_mysql_cond_wait (that=0x7f6bd4015a68, mutex=0x7f6bd40159b8, src_file=0x555b105d11c0 "/home/stepan/mariadb/10.4/github/sql/wsrep_thd.h", src_line=69) at /home/stepan/mariadb/10.4/github/include/mysql/psi/mysql_thread.h:1178
      #3  0x0000555b0fae1a96 in Wsrep_thd_queue::pop_front (this=0x7f6bd4015960) at /home/stepan/mariadb/10.4/github/sql/wsrep_thd.h:69
      #4  0x0000555b0fae04a3 in wsrep_rollback_process (rollbacker=0x7f6bd4001d50, arg=0x555b123db160) at /home/stepan/mariadb/10.4/github/sql/wsrep_thd.cc:266
      #5  0x0000555b0facf4fe in start_wsrep_THD (arg=0x555b123db160) at /home/stepan/mariadb/10.4/github/sql/wsrep_mysqld.cc:2708
      #6  0x0000555b103df8d1 in pfs_spawn_thread (arg=0x555b123e5180) at /home/stepan/mariadb/10.4/github/storage/perfschema/pfs.cc:1862
      #7  0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #8  0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      Thread 1 (Thread 0x7f6bd8160700 (LWP 2998)):
      #0  0x00007f6be977e9d1 in pthread_kill () from /lib64/libpthread.so.0
      #1  0x0000555b10451522 in my_write_core (sig=6) at /home/stepan/mariadb/10.4/github/mysys/stacktrace.c:481
      #2  0x0000555b0fbbddda in handle_fatal_signal (sig=6) at /home/stepan/mariadb/10.4/github/sql/signal_handler.cc:343
      #3  <signal handler called>
      #4  0x00007f6be7a6f207 in raise () from /lib64/libc.so.6
      #5  0x00007f6be7a708f8 in abort () from /lib64/libc.so.6
      #6  0x00007f6be7a68026 in __assert_fail_base () from /lib64/libc.so.6
      #7  0x00007f6be7a680d2 in __assert_fail () from /lib64/libc.so.6
      #8  0x0000555b104bf8f4 in inline_mysql_socket_send (src_file=0x555b10a4b380 "/home/stepan/mariadb/10.4/github/vio/viosocket.c", src_line=301, mysql_socket=..., buf=0x7f6b7019caf0, n=34, flags=64) at /home/stepan/mariadb/10.4/github/include/mysql/psi/mysql_socket.h:738
      #9  0x0000555b104c05b3 in vio_write (vio=0x555b1230cee0, buf=0x7f6b7019caf0 "\036", size=34) at /home/stepan/mariadb/10.4/github/vio/viosocket.c:300
      #10 0x0000555b0fd3e056 in net_real_write (net=0x7f6b70000df8, packet=0x7f6b7019caf0 "\036", len=34) at /home/stepan/mariadb/10.4/github/sql/net_serv.cc:681
      #11 0x0000555b0fd3d710 in net_flush (net=0x7f6b70000df8) at /home/stepan/mariadb/10.4/github/sql/net_serv.cc:383
      #12 0x0000555b0fd3db56 in net_write_command (net=0x7f6b70000df8, command=255 '\377', header=0x555b1051e680 "", head_len=0, packet=0x7f6bd815f160 "\207\a#70100Connection was killed", len=29) at /home/stepan/mariadb/10.4/github/sql/net_serv.cc:521
      #13 0x0000555b0f732ec8 in net_send_error_packet (thd=0x7f6b70000b00, sql_errno=1927, err=0x7f6b700064eb "Connection was killed", sqlstate=0x7f6b700064d0 "70100") at /home/stepan/mariadb/10.4/github/sql/protocol.cc:476
      #14 0x0000555b0f733776 in Protocol::send_error (this=0x7f6b700010c8, sql_errno=1927, err_msg=0x7f6b700064eb "Connection was killed", sql_state=0x7f6b700064d0 "70100") at /home/stepan/mariadb/10.4/github/sql/protocol.cc:672
      #15 0x0000555b0f733370 in Protocol::end_statement (this=0x7f6b700010c8) at /home/stepan/mariadb/10.4/github/sql/protocol.cc:598
      #16 0x0000555b0f85635a in do_command (thd=0x7f6b70000b00) at /home/stepan/mariadb/10.4/github/sql/sql_parse.cc:1250
      #17 0x0000555b0f9e0593 in do_handle_one_connection (connect=0x555b128dbf20) at /home/stepan/mariadb/10.4/github/sql/sql_connect.cc:1412
      #18 0x0000555b0f9e02c2 in handle_one_connection (arg=0x555b128dbf20) at /home/stepan/mariadb/10.4/github/sql/sql_connect.cc:1316
      #19 0x0000555b103df8d1 in pfs_spawn_thread (arg=0x555b128cab60) at /home/stepan/mariadb/10.4/github/storage/perfschema/pfs.cc:1862
      #20 0x00007f6be9779dd5 in start_thread () from /lib64/libpthread.so.0
      #21 0x00007f6be7b36ead in clone () from /lib64/libc.so.6
       
      worker[2] 191018 20:35:06 +1740.274 mysql-test-run: WARNING: Waited 60 seconds for /home/stepan/mariadb/10.4/github/mysql-test/var/2/run/mysqld.2.pid to be created, still waiting for 120 seconds...
      worker[2] 191018 20:36:06 +60.146 mysql-test-run: WARNING: Waited 120 seconds for /home/stepan/mariadb/10.4/github/mysql-test/var/2/run/mysqld.2.pid to be created, still waiting for 60 seconds...
      worker[2] 191018 20:37:06 +60.244 mysql-test-run: WARNING: Timeout after mysql-test-run waited 180 seconds for the process [mysqld.2 - pid: 13256, winpid: 13256] to create a pid file.
      Compressed file /home/stepan/mariadb/10.4/github/mysql-test/var/3/log/galera.galera_pc_ignore_sb-innodb/mysqld.1/data/core.2870
       - saving '/home/stepan/mariadb/10.4/github/mysql-test/var/3/log/galera.galera_pc_ignore_sb-innodb/' to '/home/stepan/mariadb/10.4/github/mysql-test/var/log/galera.galera_pc_ignore_sb-innodb/'
      ***Warnings generated in error logs during shutdown after running tests: galera.galera_many_indexes galera.galera_nopk_large_varchar galera.galera_kill_smallchanges galera.galera_lock_table galera.galera_mdev_10812 galera.galera_nopk_bit galera.galera_mdl_race galera.galera_last_committed_id galera.galera_pc_ignore_sb galera.galera_nopk_blob galera.galera_parallel_apply_lock_table galera.galera_parallel_simple galera.galera_nopk_unicode galera.galera_multi_database galera.galera_myisam_transactions galera.galera_myisam_autocommit galera.galera_kill_ddl
       
      mysqld: /home/stepan/mariadb/10.4/github/include/mysql/psi/mysql_socket.h:738: inline_mysql_socket_send: Assertion `mysql_socket.fd != -1' failed.
      Attempting backtrace. You can use the following information to find out
      

      All logs from the local run: 191018_HDD_galera_pc_ignore_sb.zip.

      It fails sporadically on bb also. F.e.: http://buildbot.askmonty.org/buildbot/builders/kvm-rpm-centos74-amd64-debug/builds/2845 :

      galera.galera_pc_ignore_sb 'innodb'      w2 [ fail ]
              Test ended at 2019-10-18 06:52:20
       
      CURRENT_TEST: galera.galera_pc_ignore_sb
      mysqltest: At line 38: query 'SET GLOBAL wsrep_cluster_address = ''' failed: 2013: Lost connection to MySQL server during query
       
      The result from queries just before the failure was:
      < snip >
      connection node_1;
      connection node_2;
      connection node_1;
      SET @wsrep_cluster_address_orig = @@GLOBAL.wsrep_cluster_address;
      SET @wsrep_provider_options_orig = @@GLOBAL.wsrep_provider_options;
      SET GLOBAL wsrep_provider_options ='pc.ignore_sb=true';
      connection node_2;
      Killing server ...
      connection node_1;
      CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB;
      INSERT INTO t1 VALUES (1);
      DROP TABLE t1;
      SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size';
      VARIABLE_VALUE = 1
      1
      SELECT VARIABLE_VALUE = 'ON' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_ready';
      VARIABLE_VALUE = 'ON'
      1
      SET GLOBAL wsrep_cluster_address = '';
       
      More results from queries before failure can be found in /dev/shm/var/2/log/galera_pc_ignore_sb.log
       
       
      Server [mysqld.1 - pid: 9462, winpid: 9462, exit: 256] failed during test run
      Server log from this test:
      ----------SERVER LOG START-----------
      2019-10-18  6:51:34 0 [Note] WSREP: (b601cae5, 'tcp://0.0.0.0:16002') turning message relay requesting on, nonlive peers: tcp://127.0.0.1:16005 
      2019-10-18  6:51:35 0 [Note] WSREP: (b601cae5, 'tcp://0.0.0.0:16002') reconnecting to 8924cc31 (tcp://127.0.0.1:16005), attempt 0
      2019-10-18  6:51:44 0 [Note] WSREP: evs::proto(b601cae5, OPERATIONAL, view_id(REG,8924cc31,8)) suspecting node: 8924cc31
      2019-10-18  6:51:44 0 [Note] WSREP: evs::proto(b601cae5, OPERATIONAL, view_id(REG,8924cc31,8)) suspected node without join message, declaring inactive
      2019-10-18  6:51:45 0 [Warning] WSREP: Ignoring possible split-brain (allowed by configuration) from view:
      view(view_id(REG,8924cc31,8) memb {
      	8924cc31,0
      	b601cae5,0
      } joined {
      	8924cc31,0
      } left {
      } partitioned {
      })
      to view:
      view(view_id(TRANS,8924cc31,8) memb {
      	b601cae5,0
      } joined {
      } left {
      } partitioned {
      	8924cc31,0
      })
      2019-10-18  6:51:45 0 [Note] WSREP: Node b601cae5 state prim
      2019-10-18  6:51:45 0 [Note] WSREP: view(view_id(PRIM,b601cae5,9) memb {
      	b601cae5,0
      } joined {
      } left {
      } partitioned {
      	8924cc31,0
      })
      2019-10-18  6:51:45 0 [Note] WSREP: save pc into disk
      2019-10-18  6:51:45 0 [Note] WSREP: forgetting 8924cc31 (tcp://127.0.0.1:16005)
      2019-10-18  6:51:45 0 [Note] WSREP: (b601cae5, 'tcp://0.0.0.0:16002') turning message relay requesting off
      2019-10-18  6:51:45 0 [Note] WSREP: New COMPONENT: primary = yes, bootstrap = no, my_idx = 0, memb_num = 1
      2019-10-18  6:51:45 0 [Note] WSREP: STATE_EXCHANGE: sent state UUID: bfc92fd0-f173-11e9-bee0-b62792e4e0eb
      2019-10-18  6:51:45 0 [Note] WSREP: STATE EXCHANGE: sent state msg: bfc92fd0-f173-11e9-bee0-b62792e4e0eb
      2019-10-18  6:51:45 0 [Note] WSREP: STATE EXCHANGE: got state msg: bfc92fd0-f173-11e9-bee0-b62792e4e0eb from 0 (centos74-amd64)
      2019-10-18  6:51:45 0 [Note] WSREP: Quorum results:
      	version    = 6,
      	component  = PRIMARY,
      	conf_id    = 8,
      	members    = 1/1 (joined/total),
      	act_id     = 639,
      	last_appl. = 556,
      	protocols  = 2/10/4 (gcs/repl/appl),
      	vote policy= 0,
      	group UUID = b605f425-f171-11e9-9134-2ece42c1d40d
      2019-10-18  6:51:45 0 [Note] WSREP: Flow-control interval: [16, 16]
      2019-10-18  6:51:45 1 [Note] WSREP: ####### processing CC 640, local, ordered
      2019-10-18  6:51:45 1 [Note] WSREP: REPL Protocols: 10 (5, 3)
      2019-10-18  6:51:45 1 [Note] WSREP: ####### My UUID: b601cae5-f171-11e9-bbc2-635c41196fbe
      2019-10-18  6:51:45 1 [Note] WSREP: ####### ST not required
      2019-10-18  6:51:45 1 [Note] WSREP: Skipping cert index reset
      2019-10-18  6:51:45 1 [Note] WSREP: ####### Adjusting cert position: 639 -> 640
      2019-10-18  6:51:45 0 [Note] WSREP: Service thread queue flushed.
      2019-10-18  6:51:45 1 [Note] WSREP: ####### Setting monitor position to 640
      2019-10-18  6:51:45 1 [Note] WSREP: Lowest cert indnex boundary for CC from group: 557
      2019-10-18  6:51:45 1 [Note] WSREP: Min available from gcache for CC from group: 1
      2019-10-18  6:51:45 1 [Note] WSREP: ================================================
      View:
        id: b605f425-f171-11e9-9134-2ece42c1d40d:640
        status: primary
        protocol_version: 4
        capabilities: MULTI-MASTER, CERTIFICATION, PARALLEL_APPLYING, REPLAY, ISOLATION, PAUSE, CAUSAL_READ, INCREMENTAL_WS, UNORDERED, PREORDERED, STREAMING, NBO
        final: no
        own_index: 0
        members(1):
      	0: b601cae5-f171-11e9-bbc2-635c41196fbe, centos74-amd64
      =================================================
      2019-10-18  6:51:45 1 [Note] WSREP: wsrep_notify_cmd is not defined, skipping notification.
      2019-10-18  6:51:46 401 [Note] WSREP: Stop replication by 401
      2019-10-18  6:51:46 401 [Note] WSREP: Server status change synced -> disconnecting
      2019-10-18  6:51:46 401 [Note] WSREP: wsrep_notify_cmd is not defined, skipping notification.
      2019-10-18  6:51:46 401 [Note] WSREP: Closing send monitor...
      2019-10-18  6:51:46 401 [Note] WSREP: Closed send monitor.
      2019-10-18  6:51:46 401 [Note] WSREP: gcomm: terminating thread
      2019-10-18  6:51:46 401 [Note] WSREP: gcomm: joining thread
      2019-10-18  6:51:46 401 [Note] WSREP: gcomm: closing backend
      2019-10-18  6:51:46 401 [Note] WSREP: PC protocol downgrade 1 -> 0
      2019-10-18  6:51:46 401 [Note] WSREP: view((empty))
      2019-10-18  6:51:46 401 [Note] WSREP: gcomm: closed
      2019-10-18  6:51:46 0 [Note] WSREP: New SELF-LEAVE.
      2019-10-18  6:51:46 0 [Note] WSREP: Flow-control interval: [0, 0]
      2019-10-18  6:51:46 0 [Note] WSREP: Received SELF-LEAVE. Closing connection.
      2019-10-18  6:51:46 0 [Note] WSREP: Shifting SYNCED -> CLOSED (TO: 643)
      2019-10-18  6:51:46 0 [Note] WSREP: RECV thread exiting 0: Success
      2019-10-18  6:51:46 1 [Note] WSREP: ####### processing CC -1, local, ordered
      2019-10-18  6:51:46 1 [Note] WSREP: ####### My UUID: b601cae5-f171-11e9-bbc2-635c41196fbe
      2019-10-18  6:51:46 1 [Note] WSREP: ####### ST not required
      2019-10-18  6:51:46 401 [Note] WSREP: recv_thread() joined.
      2019-10-18  6:51:46 401 [Note] WSREP: Closing replication queue.
      2019-10-18  6:51:46 401 [Note] WSREP: Closing slave action queue.
      2019-10-18  6:51:46 1 [Note] WSREP: ================================================
      View:
        id: b605f425-f171-11e9-9134-2ece42c1d40d:-1
        status: non-primary
        protocol_version: 4
        capabilities: MULTI-MASTER, CERTIFICATION, PARALLEL_APPLYING, REPLAY, ISOLATION, PAUSE, CAUSAL_READ, INCREMENTAL_WS, UNORDERED, PREORDERED, STREAMING, NBO
        final: yes
        own_index: -1
        members(0):
      =================================================
      2019-10-18  6:51:46 1 [Note] WSREP: Non-primary view
      2019-10-18  6:51:46 1 [Note] WSREP: Server status change disconnecting -> disconnected
      2019-10-18  6:51:46 1 [Note] WSREP: wsrep_notify_cmd is not defined, skipping notification.
      2019-10-18  6:51:46 1 [Note] WSREP: wsrep_notify_cmd is not defined, skipping notification.
      2019-10-18  6:51:46 1 [Note] WSREP: Applier thread exiting ret: 0 thd: 1
      2019-10-18  6:51:46 1 [Warning] Aborted connection 1 to db: 'unconnected' user: 'unauthenticated' host: '' (This connection closed normally without authentication)
      2019-10-18  6:51:46 401 [Note] WSREP: killing local connection: 400
      mysqld: /home/buildbot/buildbot/padding_for_CPACK_RPM_BUILD_SOURCE_DIRS_PREFIX/mariadb-10.4.9/include/mysql/psi/mysql_socket.h:779: inline_mysql_socket_recv: Assertion `mysql_socket.fd != -1' failed.
      191018  6:51:46 [ERROR] mysqld got signal 6 ;
      This could be because you hit a bug. It is also possible that this binary
      or one of the libraries it was linked against is corrupt, improperly built,
      or misconfigured. This error can also be caused by malfunctioning hardware.
       
      To report this bug, see https://mariadb.com/kb/en/reporting-bugs
       
      We will try our best to scrape up some info that will hopefully help
      diagnose the problem, but since we have already crashed, 
      something is definitely wrong and this may fail.
       
      Server version: 10.4.9-MariaDB-debug-log
      key_buffer_size=1048576
      read_buffer_size=131072
      max_used_connections=4
      max_threads=153
      thread_count=10
      It is possible that mysqld could use up to 
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 63617 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x7f4910000b00
      Attempting backtrace. You can use the following information to find out
      where mysqld died. If you see no messages after this, something went
      terribly wrong...
      stack_bottom = 0x7f49800acd18 thread_stack 0x49000
      /usr/sbin/mysqld(my_print_stacktrace+0x2b)[0x55ff9bc6be0f]
      /usr/sbin/mysqld(handle_fatal_signal+0x311)[0x55ff9b52bc03]
      addr2line: Dwarf Error: Offset (553653692) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (6516329) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (6514020) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Could not find abbrev number 132.
      addr2line: Dwarf Error: Offset (2317714945) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (6514020) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (6516329) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (7500912) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (357957653) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Could not find abbrev number 145.
      addr2line: Dwarf Error: Offset (7628135) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (307209474) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (307182594) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (771780965) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (771780965) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (3020123438) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (7628147) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (6514020) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (7628147) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (7628147) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Could not find abbrev number 132.
      addr2line: Dwarf Error: Offset (7628135) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (2583696734) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (27722132) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (4148101552) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (27722132) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (4148101552) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      sigaction.c:0(__restore_rt)[0x7f4992f7f5e0]
      :0(__GI_raise)[0x7f499148b1f7]
      :0(__GI_abort)[0x7f499148c8e8]
      :0(__assert_fail_base)[0x7f4991484266]
      :0(__GI___assert_fail)[0x7f4991484312]
      /usr/sbin/mysqld(vio_read+0x19b)[0x55ff9bcc0d96]
      /usr/sbin/mysqld(+0xa4bb7d)[0x55ff9b666b7d]
      /usr/sbin/mysqld(my_net_read_packet_reallen+0x39)[0x55ff9b667b57]
      /usr/sbin/mysqld(my_net_read_packet+0x1d)[0x55ff9b667dbd]
      /usr/sbin/mysqld(_Z10do_commandP3THD+0x1a4)[0x55ff9b2ccc89]
      /usr/sbin/mysqld(_Z24do_handle_one_connectionP7CONNECT+0x1fd)[0x55ff9b3d1f50]
      /usr/sbin/mysqld(handle_one_connection+0x3d)[0x55ff9b3d2022]
      /usr/sbin/mysqld(+0xffb0ad)[0x55ff9bc160ad]
      addr2line: Dwarf Error: Offset (553653692) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (6516329) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (6514020) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Could not find abbrev number 132.
      addr2line: Dwarf Error: Offset (2317714945) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (6514020) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (6516329) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (7500912) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (357957653) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Could not find abbrev number 145.
      addr2line: Dwarf Error: Offset (7628135) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (307209474) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (307182594) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (771780965) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (771780965) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (3020123438) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (7628147) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (6514020) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (7628147) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (7628147) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Could not find abbrev number 132.
      addr2line: Dwarf Error: Offset (7628135) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (2583696734) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (7628147) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (402855515) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (316437256) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (402855515) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (316437256) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (402855515) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (316437256) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (7628147) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (316437256) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (316437256) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (316437256) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (316437256) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (316437256) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (316437256) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (316437256) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (316437256) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (316437256) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (316437256) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (2952898305) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (2952898305) greater than or equal to .debug_str size (3412120).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      addr2line: Dwarf Error: Offset (3791853002) greater than or equal to .debug_str size (1482733).
      pthread_create.c:0(start_thread)[0x7f4992f77e25]
      /lib64/libc.so.6(clone+0x6d)[0x7f499154e34d]
       
      Trying to get some variables.
      Some pointers may be invalid and cause the dump to abort.
      Query (0x0): 
      Connection ID (thread ID): 400
      Status: KILL_CONNECTION
       
      Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on
       
      The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
      information that should help you find out what is causing the crash.
      Writing a core file...
      Working directory at /dev/shm/var/2/mysqld.1/data
      Resource Limits:
      Limit                     Soft Limit           Hard Limit           Units     
      Max cpu time              unlimited            unlimited            seconds   
      Max file size             unlimited            unlimited            bytes     
      Max data size             unlimited            unlimited            bytes     
      Max stack size            8388608              unlimited            bytes     
      Max core file size        unlimited            unlimited            bytes     
      Max resident set          unlimited            unlimited            bytes     
      Max processes             4096                 23142                processes 
      Max open files            1024                 1024                 files     
      Max locked memory         65536                65536                bytes     
      Max address space         unlimited            unlimited            bytes     
      Max file locks            unlimited            unlimited            locks     
      Max pending signals       23142                23142                signals   
      Max msgqueue size         819200               819200               bytes     
      Max nice priority         0                    0                    
      Max realtime priority     0                    0                    
      Max realtime timeout      unlimited            unlimited            us        
      Core pattern: core
       
      ----------SERVER LOG END-------------
      

      Bb logs: build_2845.zip.

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              jplindst Jan Lindström (Inactive)
              stepan.patryshev Stepan Patryshev (Inactive)
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