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  1. MariaDB Server
  2. MDEV-7140

Sporadic buildbot failures in rpl.rpl_semi_sync_uninstall_plugin, 2013: 'Lost connection to MySQL server

Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Won't Fix
    • 5.5(EOL), 10.0(EOL), 10.1(EOL), 10.2(EOL)
    • N/A
    • Tests

    Description

      http://buildbot.askmonty.org/buildbot/builders/kvm-deb-trusty-amd64/builds/606/steps/test_4/logs/stdio

      CURRENT_TEST: rpl.rpl_semi_sync_uninstall_plugin
      --- /usr/share/mysql/mysql-test/suite/rpl/r/rpl_semi_sync_uninstall_plugin.result	2014-11-19 07:12:09.000000000 +0000
      +++ /run/shm/var/4/log/rpl_semi_sync_uninstall_plugin.reject	2014-11-19 15:00:33.507204650 +0000
      @@ -20,28 +20,22 @@
       rpl_semi_sync_slave	DELETED
       [connection master]
       UNINSTALL PLUGIN rpl_semi_sync_master;
      -Warnings:
      -Warning	1620	Plugin is busy and will be uninstalled on shutdown
       select plugin_name,plugin_status from information_schema.plugins where plugin_name like 'rpl_%';
       plugin_name	plugin_status
      -rpl_semi_sync_master	DELETED
       CREATE TABLE t1(i int);
       INSERT INTO t1 values (2);
       DROP TABLE t1;
       [connection slave]
       show status like "Rpl_semi_sync_slave_status";
       Variable_name	Value
      -Rpl_semi_sync_slave_status	ON
      +Rpl_semi_sync_slave_status	OFF
       [connection master]
       show status like "Rpl_semi_sync_master_status";
       Variable_name	Value
      -Rpl_semi_sync_master_status	ON
       show status like "Rpl_semi_sync_master_clients";
       Variable_name	Value
      -Rpl_semi_sync_master_clients	1
       select plugin_name,plugin_status from information_schema.plugins where plugin_name like 'rpl_%';
       plugin_name	plugin_status
      -rpl_semi_sync_master	DELETED
       [connection slave]
       include/stop_slave.inc
       select plugin_name,plugin_status from information_schema.plugins where plugin_name like 'rpl_%';
       
      mysqltest: Result length mismatch
       
       - saving '/run/shm/var/4/log/rpl.rpl_semi_sync_uninstall_plugin-stmt/' to '/run/shm/var/log/rpl.rpl_semi_sync_uninstall_plugin-stmt/'
       
      Retrying test rpl.rpl_semi_sync_uninstall_plugin, attempt(2/3)...
       
      worker[4] > Restart  - not started
      worker[4] > Restart  - not started
      ***Warnings generated in error logs during shutdown after running tests: rpl.rpl_semi_sync_uninstall_plugin
       
      141119 15:00:33 [Warning] Master server does not support semi-sync, fallback to asynchronous replication
       
      worker[4] > Restart [mysqld.1 - pid: 19176, winpid: 19176] - running with different options '--binlog-format=statement --log-bin=master-bin --log-bin=master-bin' != '--log-bin=master-bin --binlog-format=statement --log-bin=master-bin'
      rpl.rpl_semi_sync_uninstall_plugin 'stmt' w4 [ retry-pass ]    130
      

      Also observed on 10.0, 10.1

      Another kind – timeout:
      http://buildbot.askmonty.org/buildbot/builders/labrador/builds/4438/steps/test/logs/stdio

      rpl.rpl_semi_sync_uninstall_plugin 'stmt' [ fail ]  timeout after 900 seconds
              Test ended at 2015-01-06 17:51:50
       
      Test case timeout after 900 seconds
       
      == /private/var/lib/buildslave/maria-slave/labrador/build/mysql-test/var/log/rpl_semi_sync_uninstall_plugin.log == 
      UNINSTALL PLUGIN rpl_semi_sync_master;
      CREATE TABLE t1(i int);
      INSERT INTO t1 values (1);
      DROP TABLE t1;
      [connection slave]
      include/install_semisync.inc
      [connection slave]
      UNINSTALL PLUGIN rpl_semi_sync_slave;
      Warnings:
      Warning	1620	Plugin is busy and will be uninstalled on shutdown
      select plugin_name,plugin_status from information_schema.plugins where plugin_name like 'rpl_%';
      plugin_name	plugin_status
      rpl_semi_sync_slave	DELETED
      [connection master]
      UNINSTALL PLUGIN rpl_semi_sync_master;
      select plugin_name,plugin_status from information_schema.plugins where plugin_name like 'rpl_%';
      plugin_name	plugin_status
      CREATE TABLE t1(i int);
      INSERT INTO t1 values (2);
      DROP TABLE t1;
       
       == /private/var/lib/buildslave/maria-slave/labrador/build/mysql-test/var/tmp/analyze-timeout-mysqld.1.err ==
      mysqltest: Could not open connection 'default' after 500 attempts: 2002 Can't connect to local MySQL server through socket '/private/var/lib/buildslave/maria-slave/labrador/build/mysql-test/var/tmp/mysqld.1.sock' (61 "Connection refused")
       
       == /private/var/lib/buildslave/maria-slave/labrador/build/mysql-test/var/tmp/analyze-timeout-mysqld.2.err ==
      mysqltest: Could not open connection 'default' after 500 attempts: 2002 Can't connect to local MySQL server through socket '/private/var/lib/buildslave/maria-slave/labrador/build/mysql-test/var/tmp/mysqld.2.sock' (61 "Connection refused")
      

      Attachments

        Issue Links

          Activity

            There seem to be more issues than I described. Specifically my hypothesis doesn't seem to explain failure from bug description. I reassign this bug to Elkin for further analysis. What I described above is to be fixed in MDEV-10892, current patch: https://github.com/MariaDB/server/commit/96e982bb1a72db47a41b97bb632b595b347d2956

            svoj Sergey Vojtovich added a comment - There seem to be more issues than I described. Specifically my hypothesis doesn't seem to explain failure from bug description. I reassign this bug to Elkin for further analysis. What I described above is to be fixed in MDEV-10892 , current patch: https://github.com/MariaDB/server/commit/96e982bb1a72db47a41b97bb632b595b347d2956
            alice Alice Sherepa added a comment - - edited

            10.2 http://buildbot.askmonty.org/buildbot/builders/kvm-rpm-centos74-amd64-debug/builds/5090/steps/mtr_centos_mix/logs/stdio

            rpl.rpl_semi_sync_uninstall_plugin 'stmt' w4 [ fail ]
                    Test ended at 2020-10-26 11:01:32
             
            CURRENT_TEST: rpl.rpl_semi_sync_uninstall_plugin
            mysqltest: In included file "./include/wait_condition.inc": 
            included from /usr/share/mysql-test/suite/rpl/t/rpl_semi_sync_uninstall_plugin.test at line 120:
            At line 43: query 'let $success= `$wait_condition`' failed with wrong errno 2013: 'Lost connection to MySQL server during query', instead of 0...
             
            The result from queries just before the failure was:
            < snip >
            show status like "Rpl_semi_sync_slave_status";
            Variable_name	Value
            Rpl_semi_sync_slave_status	ON
            connection master;
            show status like "Rpl_semi_sync_master_status";
            Variable_name	Value
            Rpl_semi_sync_master_status	ON
            show status like "Rpl_semi_sync_master_clients";
            Variable_name	Value
            Rpl_semi_sync_master_clients	1
            select plugin_name,plugin_status from information_schema.plugins where plugin_name like 'rpl_%';
            plugin_name	plugin_status
            rpl_semi_sync_master	DELETED
            connection slave;
            include/stop_slave.inc
            select plugin_name,plugin_status from information_schema.plugins where plugin_name like 'rpl_%';
            plugin_name	plugin_status
            connection master;
            create table t2 (a int);
            drop table t2;
             
            More results from queries before failure can be found in /dev/shm/var/4/log/rpl_semi_sync_uninstall_plugin.log
             
             
            Server [mysqld.1 - pid: 14785, winpid: 14785, exit: 256] failed during test run
            Server log from this test:
            ----------SERVER LOG START-----------
            2020-10-26 11:01:14 140450741406016 [Note] /usr/sbin/mysqld (mysqld 10.2.35-MariaDB-debug-log) starting as process 14805 ...
            2020-10-26 11:01:14 140450741406016 [Warning] Could not increase number of max_open_files to more than 1024 (request: 32186)
            2020-10-26 11:01:14 140450741406016 [Warning] Changed limits: max_open_files: 1024  max_connections: 151 (was 151)  table_cache: 421 (was 2000)
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'SEQUENCE' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'partition' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'InnoDB' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_DATAFILES' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_TABLESTATS' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_LOCKS' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_MUTEXES' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_CMPMEM' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_CMP_PER_INDEX' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_CMP' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_FT_DELETED' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_CMP_RESET' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_LOCK_WAITS' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_TABLESPACES_ENCRYPTION' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_BUFFER_PAGE_LRU' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_FIELDS' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_CMPMEM_RESET' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'FEEDBACK' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_COLUMNS' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_FT_INDEX_TABLE' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_CMP_PER_INDEX_RESET' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'user_variables' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_FT_INDEX_CACHE' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_FOREIGN_COLS' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_FT_BEING_DELETED' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_BUFFER_POOL_STATS' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_TRX' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_FOREIGN' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_TABLES' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_FT_DEFAULT_STOPWORD' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_FT_CONFIG' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_BUFFER_PAGE' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_TABLESPACES' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_METRICS' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_INDEXES' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_VIRTUAL' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_TABLESPACES_SCRUBBING' is disabled.
            2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_SEMAPHORE_WAITS' is disabled.
            2020-10-26 11:01:14 140450741406016 [Warning] /usr/sbin/mysqld: unknown option '--loose-pam-debug'
            2020-10-26 11:01:14 140450741406016 [Note] Server socket created on IP: '127.0.0.1'.
            2020-10-26 11:01:14 140450741406016 [Note] Reading of all Master_info entries succeeded
            2020-10-26 11:01:14 140450741406016 [Note] Added new Master_info '' to hash table
            2020-10-26 11:01:14 140450741406016 [Note] /usr/sbin/mysqld: ready for connections.
            Version: '10.2.35-MariaDB-debug-log'  socket: '/dev/shm/var/tmp/4/mysqld.1.sock'  port: 16040  MariaDB Server
            2020-10-26 11:01:15 140450740180736 [Note] Deleted Master_info file '/dev/shm/var/4/mysqld.1/data/master.info'.
            2020-10-26 11:01:15 140450740180736 [Note] Deleted Master_info file '/dev/shm/var/4/mysqld.1/data/relay-log.info'.
            2020-10-26 11:01:15 140450644608768 [Note] Start binlog_dump to slave_server(2), pos(master-bin.000001, 4), using_gtid(0), gtid('')
            2020-10-26 11:01:15 140450644305664 [Note] unregister_replicator OK
            2020-10-26 11:01:15 140450644305664 [Note] Semi-sync replication initialized for transactions.
            2020-10-26 11:01:15 140450644305664 [Note] Semi-sync replication enabled on the master.
            2020-10-26 11:01:15 140450644608768 [Note] Stop asynchronous binlog_dump to slave (server_id: 2)
            2020-10-26 11:01:15 140450641532672 [Note] Start binlog_dump to slave_server(2), pos(master-bin.000001, 1464), using_gtid(0), gtid('')
            2020-10-26 11:01:15 140450641532672 [Note] Start semi-sync binlog_dump to slave (server_id: 2), pos(./master-bin.000001, 1464)
            2020-10-26 11:01:16 140450641532672 [ERROR] Read semi-sync reply network error:  (errno: 1158)
            2020-10-26 11:01:16 140450641532672 [Note] Stop semi-sync binlog_dump to slave (server_id: 2)
            2020-10-26 11:01:16 140450641532672 [Warning] Aborted connection 11 to db: 'unconnected' user: 'root' host: 'localhost' (Unknown error)
            2020-10-26 11:01:26 140450644305664 [Warning] Timeout waiting for reply of binlog (file: master-bin.000001, pos: 2084), semi-sync up to file master-bin.000001, position 1952.
            2020-10-26 11:01:26 140450644305664 [Note] Semi-sync replication switched OFF.
            2020-10-26 11:01:26 140450641532672 [Note] unregister_replicator OK
            201026 11:01:26 [ERROR] mysqld got signal 11 ;
            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: 10.2.35-MariaDB-debug-log
            key_buffer_size=1048576
            read_buffer_size=131072
            max_used_connections=7
            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 = 63104 K  bytes of memory
            Hope that's ok; if not, decrease some variables in the equation.
             
            Thread pointer: 0x556026392070
            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 = 0x7fbd36c31c88 thread_stack 0x49000
            /usr/sbin/mysqld(my_print_stacktrace+0x2b)[0x55601f0e55f9]
            /usr/sbin/mysqld(handle_fatal_signal+0x30c)[0x55601ea8ab93]
            addr2line: Dwarf Error: Offset (3816030) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (66453762) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (6516329) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (6514020) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (1178796290) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (5390925) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (1273784) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (1023536813) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (1270421) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (1158551555) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (6579297) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3238134144) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (453074177) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (1111240193) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (16777263) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (29426177) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (869989) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (3096661) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (946336404) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (2409103810) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (7173491) greater than or equal to .debug_str size (3937801).
            sigaction.c:0(__restore_rt)[0x7fbd3c0e95e0]
            /usr/sbin/mysqld(+0xd63df6)[0x55601f116df6]
            /usr/sbin/mysqld(+0xd63eb5)[0x55601f116eb5]
            /usr/sbin/mysqld(my_copy_fix_mb+0x4d)[0x55601f106b55]
            /usr/sbin/mysqld(_ZN13String_copier16well_formed_copyEPK15charset_info_stPcjS2_PKcjj+0x75)[0x55601e940471]
            /usr/sbin/mysqld(_ZN15Field_varstring5storeEPKcjPK15charset_info_st+0x111)[0x55601ea7f9f5]
            addr2line: Dwarf Error: Offset (3816030) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (66453762) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (6516329) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (6514020) greater than or equal to .debug_str size (3937801).
            /usr/sbin/mysqld(+0x5747db)[0x55601e9277db]
            /usr/sbin/mysqld(_Z24plugin_foreach_with_maskP3THDPFcS0_PP13st_plugin_intPvEijS4_+0x1ef)[0x55601e8ca917]
            /usr/sbin/mysqld(_Z12fill_pluginsP3THDP10TABLE_LISTP4Item+0x4e)[0x55601e91ea6c]
            addr2line: Dwarf Error: Offset (1178796290) greater than or equal to .debug_str size (3937801).
            /usr/sbin/mysqld(_Z24get_schema_tables_resultP4JOIN23enum_schema_table_state+0x2c5)[0x55601e934e53]
            /usr/sbin/mysqld(_ZN4JOIN10exec_innerEv+0x71f)[0x55601e91a83f]
            addr2line: Dwarf Error: Offset (5390925) greater than or equal to .debug_str size (3937801).
            /usr/sbin/mysqld(_ZN4JOIN4execEv+0x8f)[0x55601e91b11f]
            /usr/sbin/mysqld(_Z12mysql_selectP3THDP10TABLE_LISTjR4ListI4ItemEPS4_jP8st_orderS9_S7_S9_yP13select_resultP18st_select_lex_unitP13st_select_lex+0x84b)[0x55601e9198ea]
            /usr/sbin/mysqld(_Z13handle_selectP3THDP3LEXP13select_resultm+0x139)[0x55601e919b78]
            /usr/sbin/mysqld(+0x4fbe56)[0x55601e8aee56]
            /usr/sbin/mysqld(_Z21mysql_execute_commandP3THD+0x164c)[0x55601e8b7dd3]
            /usr/sbin/mysqld(_Z11mysql_parseP3THDPcjP12Parser_statebb+0x1bc)[0x55601e8c072f]
            /usr/sbin/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcjbb+0xee6)[0x55601e8c26a2]
            addr2line: Dwarf Error: Offset (1273784) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (1023536813) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (1270421) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (1158551555) greater than or equal to .debug_str size (133351).
            /usr/sbin/mysqld(_Z10do_commandP3THD+0x568)[0x55601e8c4928]
            addr2line: Dwarf Error: Offset (6579297) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3238134144) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (453074177) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (1111240193) greater than or equal to .debug_str size (3937801).
            /usr/sbin/mysqld(_Z24do_handle_one_connectionP7CONNECT+0x192)[0x55601e9ac5ac]
            addr2line: Dwarf Error: Offset (16777263) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (29426177) greater than or equal to .debug_str size (3937801).
            /usr/sbin/mysqld(handle_one_connection+0x3d)[0x55601e9ac6e5]
            addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (869989) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (3096661) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (946336404) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (2409103810) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (7173491) greater than or equal to .debug_str size (3937801).
            /usr/sbin/mysqld(+0xce9ed6)[0x55601f09ced6]
            addr2line: Dwarf Error: Offset (40453238) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (39666808) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (1162084995) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (40453238) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (40453238) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (39666808) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (39666808) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (1162084995) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (1162084995) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (7500912) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (1296577539) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (1947296921) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (1296577539) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (1869886857) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (91161724) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (91161724) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (91161724) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (1869886857) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3266249541) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (5390925) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (1869886857) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3266249541) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (30933830) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3266249541) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (30933830) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3266249541) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (30933830) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Could not find abbrev number 7659.
            addr2line: Dwarf Error: Offset (1076627413) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (168624504) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Could not find abbrev number 7659.
            addr2line: Dwarf Error: Could not find abbrev number 7659.
            addr2line: Dwarf Error: Could not find abbrev number 7659.
            addr2line: Dwarf Error: Offset (1076627413) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (168624504) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (1076627413) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (168624504) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Could not find abbrev number 7659.
            addr2line: Dwarf Error: Offset (42336295) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (1073753946) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3741516189) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3741516189) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3741516189) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3741516189) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3741516189) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3741516189) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (7628147) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3355640826) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3355640826) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3355640826) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3355640826) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3355640826) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (27362604) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (50331648) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (27362604) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (27362604) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (27362604) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (7628147) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (27362604) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (2542797623) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (28542252) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (27362604) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (757183234) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (757183234) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (757183234) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (50331649) greater than or equal to .debug_str size (3937801).
            addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351).
            addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351).
            pthread_create.c:0(start_thread)[0x7fbd3c0e1e25]
            /lib64/libc.so.6(clone+0x6d)[0x7fbd3a6b834d]
             
            Trying to get some variables.
            Some pointers may be invalid and cause the dump to abort.
            Query (0x5560263a2088): select count(*) = 0 from information_schema.plugins where plugin_name like 'rpl_%'
             
            Connection ID (thread ID): 9
            Status: NOT_KILLED
             
            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=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on
             
            The manual page at https://mariadb.com/kb/en/how-to-produce-a-full-stack-trace-for-mysqld/ contains
            information that should help you find out what is causing the crash.
            Writing a core file...
            Working directory at /dev/shm/var/4/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-------------
             
             
             - found 'core.14805' (0/0)
             
            Trying 'dbx' to get a backtrace
            gdb not found, cannot get the stack trace
             - deleting it, already saved 0
             - saving '/dev/shm/var/4/log/rpl.rpl_semi_sync_uninstall_plugin-stmt/' to '/dev/shm/var/log/rpl.rpl_semi_sync_uninstall_plugin-stmt/'
            
            

            alice Alice Sherepa added a comment - - edited 10.2 http://buildbot.askmonty.org/buildbot/builders/kvm-rpm-centos74-amd64-debug/builds/5090/steps/mtr_centos_mix/logs/stdio rpl.rpl_semi_sync_uninstall_plugin 'stmt' w4 [ fail ] Test ended at 2020-10-26 11:01:32   CURRENT_TEST: rpl.rpl_semi_sync_uninstall_plugin mysqltest: In included file "./include/wait_condition.inc": included from /usr/share/mysql-test/suite/rpl/t/rpl_semi_sync_uninstall_plugin.test at line 120: At line 43: query 'let $success= `$wait_condition`' failed with wrong errno 2013: 'Lost connection to MySQL server during query', instead of 0...   The result from queries just before the failure was: < snip > show status like "Rpl_semi_sync_slave_status"; Variable_name Value Rpl_semi_sync_slave_status ON connection master; show status like "Rpl_semi_sync_master_status"; Variable_name Value Rpl_semi_sync_master_status ON show status like "Rpl_semi_sync_master_clients"; Variable_name Value Rpl_semi_sync_master_clients 1 select plugin_name,plugin_status from information_schema.plugins where plugin_name like 'rpl_%'; plugin_name plugin_status rpl_semi_sync_master DELETED connection slave; include/stop_slave.inc select plugin_name,plugin_status from information_schema.plugins where plugin_name like 'rpl_%'; plugin_name plugin_status connection master; create table t2 (a int); drop table t2;   More results from queries before failure can be found in /dev/shm/var/4/log/rpl_semi_sync_uninstall_plugin.log     Server [mysqld.1 - pid: 14785, winpid: 14785, exit: 256] failed during test run Server log from this test: ----------SERVER LOG START----------- 2020-10-26 11:01:14 140450741406016 [Note] /usr/sbin/mysqld (mysqld 10.2.35-MariaDB-debug-log) starting as process 14805 ... 2020-10-26 11:01:14 140450741406016 [Warning] Could not increase number of max_open_files to more than 1024 (request: 32186) 2020-10-26 11:01:14 140450741406016 [Warning] Changed limits: max_open_files: 1024 max_connections: 151 (was 151) table_cache: 421 (was 2000) 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'SEQUENCE' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'partition' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'InnoDB' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_DATAFILES' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_TABLESTATS' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_LOCKS' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_MUTEXES' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_CMPMEM' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_CMP_PER_INDEX' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_CMP' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_FT_DELETED' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_CMP_RESET' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_LOCK_WAITS' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_TABLESPACES_ENCRYPTION' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_BUFFER_PAGE_LRU' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_FIELDS' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_CMPMEM_RESET' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'FEEDBACK' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_COLUMNS' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_FT_INDEX_TABLE' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_CMP_PER_INDEX_RESET' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'user_variables' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_FT_INDEX_CACHE' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_FOREIGN_COLS' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_FT_BEING_DELETED' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_BUFFER_POOL_STATS' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_TRX' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_FOREIGN' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_TABLES' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_FT_DEFAULT_STOPWORD' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_FT_CONFIG' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_BUFFER_PAGE' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_TABLESPACES' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_METRICS' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_INDEXES' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_VIRTUAL' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_TABLESPACES_SCRUBBING' is disabled. 2020-10-26 11:01:14 140450741406016 [Note] Plugin 'INNODB_SYS_SEMAPHORE_WAITS' is disabled. 2020-10-26 11:01:14 140450741406016 [Warning] /usr/sbin/mysqld: unknown option '--loose-pam-debug' 2020-10-26 11:01:14 140450741406016 [Note] Server socket created on IP: '127.0.0.1'. 2020-10-26 11:01:14 140450741406016 [Note] Reading of all Master_info entries succeeded 2020-10-26 11:01:14 140450741406016 [Note] Added new Master_info '' to hash table 2020-10-26 11:01:14 140450741406016 [Note] /usr/sbin/mysqld: ready for connections. Version: '10.2.35-MariaDB-debug-log' socket: '/dev/shm/var/tmp/4/mysqld.1.sock' port: 16040 MariaDB Server 2020-10-26 11:01:15 140450740180736 [Note] Deleted Master_info file '/dev/shm/var/4/mysqld.1/data/master.info'. 2020-10-26 11:01:15 140450740180736 [Note] Deleted Master_info file '/dev/shm/var/4/mysqld.1/data/relay-log.info'. 2020-10-26 11:01:15 140450644608768 [Note] Start binlog_dump to slave_server(2), pos(master-bin.000001, 4), using_gtid(0), gtid('') 2020-10-26 11:01:15 140450644305664 [Note] unregister_replicator OK 2020-10-26 11:01:15 140450644305664 [Note] Semi-sync replication initialized for transactions. 2020-10-26 11:01:15 140450644305664 [Note] Semi-sync replication enabled on the master. 2020-10-26 11:01:15 140450644608768 [Note] Stop asynchronous binlog_dump to slave (server_id: 2) 2020-10-26 11:01:15 140450641532672 [Note] Start binlog_dump to slave_server(2), pos(master-bin.000001, 1464), using_gtid(0), gtid('') 2020-10-26 11:01:15 140450641532672 [Note] Start semi-sync binlog_dump to slave (server_id: 2), pos(./master-bin.000001, 1464) 2020-10-26 11:01:16 140450641532672 [ERROR] Read semi-sync reply network error: (errno: 1158) 2020-10-26 11:01:16 140450641532672 [Note] Stop semi-sync binlog_dump to slave (server_id: 2) 2020-10-26 11:01:16 140450641532672 [Warning] Aborted connection 11 to db: 'unconnected' user: 'root' host: 'localhost' (Unknown error) 2020-10-26 11:01:26 140450644305664 [Warning] Timeout waiting for reply of binlog (file: master-bin.000001, pos: 2084), semi-sync up to file master-bin.000001, position 1952. 2020-10-26 11:01:26 140450644305664 [Note] Semi-sync replication switched OFF. 2020-10-26 11:01:26 140450641532672 [Note] unregister_replicator OK 201026 11:01:26 [ERROR] mysqld got signal 11 ; 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: 10.2.35-MariaDB-debug-log key_buffer_size=1048576 read_buffer_size=131072 max_used_connections=7 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 = 63104 K bytes of memory Hope that's ok; if not, decrease some variables in the equation.   Thread pointer: 0x556026392070 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 = 0x7fbd36c31c88 thread_stack 0x49000 /usr/sbin/mysqld(my_print_stacktrace+0x2b)[0x55601f0e55f9] /usr/sbin/mysqld(handle_fatal_signal+0x30c)[0x55601ea8ab93] addr2line: Dwarf Error: Offset (3816030) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (66453762) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (6516329) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (6514020) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (1178796290) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (5390925) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (1273784) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (1023536813) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (1270421) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (1158551555) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (6579297) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3238134144) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (453074177) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (1111240193) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (16777263) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (29426177) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (869989) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (3096661) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (946336404) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (2409103810) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (7173491) greater than or equal to .debug_str size (3937801). sigaction.c:0(__restore_rt)[0x7fbd3c0e95e0] /usr/sbin/mysqld(+0xd63df6)[0x55601f116df6] /usr/sbin/mysqld(+0xd63eb5)[0x55601f116eb5] /usr/sbin/mysqld(my_copy_fix_mb+0x4d)[0x55601f106b55] /usr/sbin/mysqld(_ZN13String_copier16well_formed_copyEPK15charset_info_stPcjS2_PKcjj+0x75)[0x55601e940471] /usr/sbin/mysqld(_ZN15Field_varstring5storeEPKcjPK15charset_info_st+0x111)[0x55601ea7f9f5] addr2line: Dwarf Error: Offset (3816030) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (66453762) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (6516329) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (6514020) greater than or equal to .debug_str size (3937801). /usr/sbin/mysqld(+0x5747db)[0x55601e9277db] /usr/sbin/mysqld(_Z24plugin_foreach_with_maskP3THDPFcS0_PP13st_plugin_intPvEijS4_+0x1ef)[0x55601e8ca917] /usr/sbin/mysqld(_Z12fill_pluginsP3THDP10TABLE_LISTP4Item+0x4e)[0x55601e91ea6c] addr2line: Dwarf Error: Offset (1178796290) greater than or equal to .debug_str size (3937801). /usr/sbin/mysqld(_Z24get_schema_tables_resultP4JOIN23enum_schema_table_state+0x2c5)[0x55601e934e53] /usr/sbin/mysqld(_ZN4JOIN10exec_innerEv+0x71f)[0x55601e91a83f] addr2line: Dwarf Error: Offset (5390925) greater than or equal to .debug_str size (3937801). /usr/sbin/mysqld(_ZN4JOIN4execEv+0x8f)[0x55601e91b11f] /usr/sbin/mysqld(_Z12mysql_selectP3THDP10TABLE_LISTjR4ListI4ItemEPS4_jP8st_orderS9_S7_S9_yP13select_resultP18st_select_lex_unitP13st_select_lex+0x84b)[0x55601e9198ea] /usr/sbin/mysqld(_Z13handle_selectP3THDP3LEXP13select_resultm+0x139)[0x55601e919b78] /usr/sbin/mysqld(+0x4fbe56)[0x55601e8aee56] /usr/sbin/mysqld(_Z21mysql_execute_commandP3THD+0x164c)[0x55601e8b7dd3] /usr/sbin/mysqld(_Z11mysql_parseP3THDPcjP12Parser_statebb+0x1bc)[0x55601e8c072f] /usr/sbin/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcjbb+0xee6)[0x55601e8c26a2] addr2line: Dwarf Error: Offset (1273784) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (1023536813) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (1270421) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (1158551555) greater than or equal to .debug_str size (133351). /usr/sbin/mysqld(_Z10do_commandP3THD+0x568)[0x55601e8c4928] addr2line: Dwarf Error: Offset (6579297) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3238134144) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (453074177) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (1111240193) greater than or equal to .debug_str size (3937801). /usr/sbin/mysqld(_Z24do_handle_one_connectionP7CONNECT+0x192)[0x55601e9ac5ac] addr2line: Dwarf Error: Offset (16777263) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (29426177) greater than or equal to .debug_str size (3937801). /usr/sbin/mysqld(handle_one_connection+0x3d)[0x55601e9ac6e5] addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (869989) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (3096661) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (946336404) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (2409103810) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (7173491) greater than or equal to .debug_str size (3937801). /usr/sbin/mysqld(+0xce9ed6)[0x55601f09ced6] addr2line: Dwarf Error: Offset (40453238) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (39666808) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (1162084995) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (40453238) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (40453238) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (39666808) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (39666808) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (1162084995) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (1162084995) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (7500912) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (1296577539) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (1947296921) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (1296577539) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (1869886857) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (91161724) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (91161724) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (91161724) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (1869886857) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3266249541) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (5390925) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (1869886857) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3266249541) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (30933830) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3266249541) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (30933830) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3266249541) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (30933830) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Could not find abbrev number 7659. addr2line: Dwarf Error: Offset (1076627413) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (168624504) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Could not find abbrev number 7659. addr2line: Dwarf Error: Could not find abbrev number 7659. addr2line: Dwarf Error: Could not find abbrev number 7659. addr2line: Dwarf Error: Offset (1076627413) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (168624504) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (1076627413) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (168624504) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Could not find abbrev number 7659. addr2line: Dwarf Error: Offset (42336295) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (1073753946) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3741516189) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3741516189) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3741516189) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3741516189) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3741516189) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3741516189) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (7628147) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3355640826) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3355640826) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3355640826) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3355640826) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3355640826) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (3942842858) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (4211278330) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (27362604) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (50331648) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (27362604) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (27362604) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (27362604) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (7628147) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (27362604) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (2542797623) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (28542252) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (27362604) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (757183234) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (757183234) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (757183234) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (757183238) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (50331649) greater than or equal to .debug_str size (3937801). addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351). addr2line: Dwarf Error: Offset (870871) greater than or equal to .debug_str size (133351). pthread_create.c:0(start_thread)[0x7fbd3c0e1e25] /lib64/libc.so.6(clone+0x6d)[0x7fbd3a6b834d]   Trying to get some variables. Some pointers may be invalid and cause the dump to abort. Query (0x5560263a2088): select count(*) = 0 from information_schema.plugins where plugin_name like 'rpl_%'   Connection ID (thread ID): 9 Status: NOT_KILLED   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=off,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on   The manual page at https://mariadb.com/kb/en/how-to-produce-a-full-stack-trace-for-mysqld/ contains information that should help you find out what is causing the crash. Writing a core file... Working directory at /dev/shm/var/4/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-------------     - found 'core.14805' (0/0)   Trying 'dbx' to get a backtrace gdb not found, cannot get the stack trace - deleting it, already saved 0 - saving '/dev/shm/var/4/log/rpl.rpl_semi_sync_uninstall_plugin-stmt/' to '/dev/shm/var/log/rpl.rpl_semi_sync_uninstall_plugin-stmt/'
            alice Alice Sherepa added a comment - http://buildbot.askmonty.org/buildbot/builders/kvm-fulltest2/builds/27228
            alice Alice Sherepa added a comment -

            from http://buildbot.askmonty.org/buildbot/builders/kvm-rpm-centos74-amd64-debug/builds/6256/steps/mtr/logs/stdio 10.2 a35cde8cd8364edc0a2375

            rpl.rpl_semi_sync_uninstall_plugin 'stmt' w2 [ fail ]
                    Test ended at 2021-04-27 00:01:26
             
            CURRENT_TEST: rpl.rpl_semi_sync_uninstall_plugin
            mysqltest: In included file "./include/wait_condition.inc": 
            included from /usr/share/mysql-test/suite/rpl/t/rpl_semi_sync_uninstall_plugin.test at line 120:
            At line 43: query 'let $success= `$wait_condition`' failed with wrong errno 2013: 'Lost connection to MySQL server during query', instead of 0...
             
            210427  0:01:19 [ERROR] mysqld got signal 11 ;
             
            Server version: 10.2.38-MariaDB-debug-log
             
            stack_bottom = 0x7f2fc085fc88 thread_stack 0x49000
            mysys/stacktrace.c:172(my_print_stacktrace)[0x5649dc857469]
            sql/signal_handler.cc:221(handle_fatal_signal)[0x5649dc1f9c61]
            sigaction.c:0(__restore_rt)[0x7f2fc5d175e0]
            strings/ctype-utf8.c:5394(my_charlen_utf8)[0x5649dc095c07]
            strings/ctype-mb.ic:187(my_well_formed_char_length_utf8)[0x5649dc038a3d]
            strings/ctype-mb.c:406(my_copy_fix_mb)[0x5649dc08ce5c]
            sql/sql_string.cc:1086(String_copier::well_formed_copy(charset_info_st const*, char*, unsigned int, charset_info_st const*, char const*, unsigned int, unsigned int))[0x5649dc0a32ea]
            sql/field.cc:7708(Field_varstring::store(char const*, unsigned int, charset_info_st const*))[0x5649dc088c2e]
            sql/sql_show.cc:179(schema_table_store_record(THD*, TABLE*))[0x5649dc08950d]
            sql/sql_plugin.cc:2411(plugin_foreach_with_mask(THD*, char (*)(THD*, st_plugin_int**, void*), int, unsigned int, void*))[0x5649dc087cd3]
            sql/sql_show.cc:286(fill_plugins(THD*, TABLE_LIST*, Item*))[0x5649dc087f61]
            sql/sql_show.cc:8472(get_schema_tables_result(JOIN*, enum_schema_table_state))[0x5649dc01cc36]
            sql/sql_select.cc:3614(JOIN::exec_inner())[0x5649dc025f68]
            sql/sql_select.cc:3447(JOIN::exec())[0x5649dc02e819]
            sql/sql_select.cc:3851(mysql_select(THD*, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*))[0x5649dc030776]
            sql/sql_select.cc:373(handle_select(THD*, LEX*, select_result*, unsigned long))[0x5649dc032a38]
            sql/sql_parse.cc:6274(st_select_lex::add_table_to_list(THD*, Table_ident*, st_mysql_lex_string*, unsigned long, thr_lock_type, enum_mdl_type, List<Index_hint>*, List<String>*, st_mysql_lex_string*))[0x5649dc11af01]
            sql/sql_parse.cc:3585(mysql_execute_command(THD*))[0x5649dc11b03a]
            sql/sql_parse.cc:7797(mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool))[0x5649dc80ed56]
            pthread_create.c:0(start_thread)[0x7f2fc5d0fe25]
            /lib64/libc.so.6(clone+0x6d)[0x7f2fc42e634d]
             
            Trying to get some variables.
            Some pointers may be invalid and cause the dump to abort.
            Query (0x5649e408e088): select count(*) = 0 from information_schema.plugins where plugin_name like 'rpl_%'
             
            Connection ID (thread ID): 9
            Status: NOT_KILLED
            

            alice Alice Sherepa added a comment - from http://buildbot.askmonty.org/buildbot/builders/kvm-rpm-centos74-amd64-debug/builds/6256/steps/mtr/logs/stdio 10.2 a35cde8cd8364edc0a2375 rpl.rpl_semi_sync_uninstall_plugin 'stmt' w2 [ fail ] Test ended at 2021-04-27 00:01:26   CURRENT_TEST: rpl.rpl_semi_sync_uninstall_plugin mysqltest: In included file "./include/wait_condition.inc": included from /usr/share/mysql-test/suite/rpl/t/rpl_semi_sync_uninstall_plugin.test at line 120: At line 43: query 'let $success= `$wait_condition`' failed with wrong errno 2013: 'Lost connection to MySQL server during query', instead of 0...   210427 0:01:19 [ERROR] mysqld got signal 11 ;   Server version: 10.2.38-MariaDB-debug-log   stack_bottom = 0x7f2fc085fc88 thread_stack 0x49000 mysys/stacktrace.c:172(my_print_stacktrace)[0x5649dc857469] sql/signal_handler.cc:221(handle_fatal_signal)[0x5649dc1f9c61] sigaction.c:0(__restore_rt)[0x7f2fc5d175e0] strings/ctype-utf8.c:5394(my_charlen_utf8)[0x5649dc095c07] strings/ctype-mb.ic:187(my_well_formed_char_length_utf8)[0x5649dc038a3d] strings/ctype-mb.c:406(my_copy_fix_mb)[0x5649dc08ce5c] sql/sql_string.cc:1086(String_copier::well_formed_copy(charset_info_st const*, char*, unsigned int, charset_info_st const*, char const*, unsigned int, unsigned int))[0x5649dc0a32ea] sql/field.cc:7708(Field_varstring::store(char const*, unsigned int, charset_info_st const*))[0x5649dc088c2e] sql/sql_show.cc:179(schema_table_store_record(THD*, TABLE*))[0x5649dc08950d] sql/sql_plugin.cc:2411(plugin_foreach_with_mask(THD*, char (*)(THD*, st_plugin_int**, void*), int, unsigned int, void*))[0x5649dc087cd3] sql/sql_show.cc:286(fill_plugins(THD*, TABLE_LIST*, Item*))[0x5649dc087f61] sql/sql_show.cc:8472(get_schema_tables_result(JOIN*, enum_schema_table_state))[0x5649dc01cc36] sql/sql_select.cc:3614(JOIN::exec_inner())[0x5649dc025f68] sql/sql_select.cc:3447(JOIN::exec())[0x5649dc02e819] sql/sql_select.cc:3851(mysql_select(THD*, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*))[0x5649dc030776] sql/sql_select.cc:373(handle_select(THD*, LEX*, select_result*, unsigned long))[0x5649dc032a38] sql/sql_parse.cc:6274(st_select_lex::add_table_to_list(THD*, Table_ident*, st_mysql_lex_string*, unsigned long, thr_lock_type, enum_mdl_type, List<Index_hint>*, List<String>*, st_mysql_lex_string*))[0x5649dc11af01] sql/sql_parse.cc:3585(mysql_execute_command(THD*))[0x5649dc11b03a] sql/sql_parse.cc:7797(mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool))[0x5649dc80ed56] pthread_create.c:0(start_thread)[0x7f2fc5d0fe25] /lib64/libc.so.6(clone+0x6d)[0x7f2fc42e634d]   Trying to get some variables. Some pointers may be invalid and cause the dump to abort. Query (0x5649e408e088): select count(*) = 0 from information_schema.plugins where plugin_name like 'rpl_%'   Connection ID (thread ID): 9 Status: NOT_KILLED
            alice Alice Sherepa added a comment - http://buildbot.askmonty.org/buildbot/builders/kvm-rpm-centos74-amd64-debug/builds/6524/steps/mtr/logs/stdio

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              Elkin Andrei Elkin
              elenst Elena Stepanova
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