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  1. MariaDB Server
  2. MDEV-28353

mysql signal 11 during startup one one node wsrep/galera

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    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Critical
    • Resolution: Incomplete
    • Affects Version/s: 10.5.15, 10.5
    • Fix Version/s: N/A
    • Component/s: Galera, wsrep
    • Labels:
      None

      Description

      We can see during startup of mysql following happened on one node. The node goes to crashloop:

      2022/04/18 23:13:22 Peer list updated
      was []
      now [mysql-0.mysql.default.svc.cluster.local mysql-1.mysql.default.svc.cluster.local mysql-2.mysql.default.svc.cluster.local]
      2022/04/18 23:13:22 execing: /opt/galera/on-start.sh with stdin: mysql-0.mysql.default.svc.cluster.local
      mysql-1.mysql.default.svc.cluster.local
      mysql-2.mysql.default.svc.cluster.local
      2022/04/18 23:13:22 *** [Galera] Joining cluster: mysql-1.mysql.default.svc.cluster.local,mysql-2.mysql.default.svc.cluster.local
      2022/04/18 23:13:23 Peer finder exiting
      Galera - Determining recovery position...
      galera-recovery.sh: Attempting to recover GTID positon...
      2022-04-18 23:13:23 0 [Note] mysqld (mysqld 10.5.15-MariaDB-1:10.5.15+maria~focal) starting as process 50 ...
      galera-recovery.sh: Found WSREP position: 53dc9f3e-7e49-11ec-834f-168f1e85b3d4:350053
      Galera recovery position: --wsrep_start_position=53dc9f3e-7e49-11ec-834f-168f1e85b3d4:350053
      2022-04-18 23:13:24 0 [Note] mysqld (mysqld 10.5.15-MariaDB-1:10.5.15+maria~focal) starting as process 1 ...
      2022-04-18 23:13:24 0 [Note] WSREP: Loading provider /usr/lib/galera/libgalera_smm.so initial position: 53dc9f3e-7e49-11ec-834f-168f1e85b3d4:350053
      2022-04-18 23:13:24 0 [Note] WSREP: wsrep_load(): loading provider library '/usr/lib/galera/libgalera_smm.so'
      2022-04-18 23:13:24 0 [Note] WSREP: wsrep_load(): Galera 26.4.11(r67341d07) by Codership Oy <info@codership.com> loaded successfully.
      2022-04-18 23:13:24 0 [Note] WSREP: CRC-32C: using 64-bit x86 acceleration.
      2022-04-18 23:13:24 0 [Note] WSREP: Found saved state: 53dc9f3e-7e49-11ec-834f-168f1e85b3d4:-1, safe_to_bootstrap: 1
      2022-04-18 23:13:24 0 [Note] WSREP: GCache DEBUG: opened preamble:
      Version: 2
      UUID: 53dc9f3e-7e49-11ec-834f-168f1e85b3d4
      Seqno: -1 - -1
      Offset: -1
      Synced: 0
      2022-04-18 23:13:24 0 [Note] WSREP: Recovering GCache ring buffer: version: 2, UUID: 53dc9f3e-7e49-11ec-834f-168f1e85b3d4, offset: -1
      2022-04-18 23:13:24 0 [Note] WSREP: GCache::RingBuffer initial scan...  0.0% (        0/134217752 bytes) complete.
      2022-04-18 23:13:25 0 [Note] WSREP: GCache::RingBuffer initial scan...100.0% (134217752/134217752 bytes) complete.
      2022-04-18 23:13:25 0 [Note] WSREP: Recovering GCache ring buffer: found gapless sequence 297507-350053
      2022-04-18 23:13:25 0 [Note] WSREP: GCache::RingBuffer unused buffers scan...  0.0% (       0/61502152 bytes) complete.
      220418 23:13:25 [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: 10.5.15-MariaDB-1:10.5.15+maria~focal
      key_buffer_size=0
      read_buffer_size=131072
      max_used_connections=0
      max_threads=252
      thread_count=0
      It is possible that mysqld could use up to 
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 554746 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x0
      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 = 0x0 thread_stack 0x49000
      Printing to addr2line failed
      mysqld(my_print_stacktrace+0x32)[0x5573dc90ed32]
      mysqld(handle_fatal_signal+0x485)[0x5573dc356995]
      /lib/x86_64-linux-gnu/libpthread.so.0(+0x153c0)[0x7f1a332cf3c0]
      /usr/lib/galera/libgalera_smm.so(+0x1c4de0)[0x7f1a2d466de0]
      /usr/lib/galera/libgalera_smm.so(+0x1c7ab7)[0x7f1a2d469ab7]
      /usr/lib/galera/libgalera_smm.so(+0x1c903b)[0x7f1a2d46b03b]
      /usr/lib/galera/libgalera_smm.so(+0x1cefea)[0x7f1a2d470fea]
      /usr/lib/galera/libgalera_smm.so(+0x811a6)[0x7f1a2d3231a6]
      /usr/lib/galera/libgalera_smm.so(+0x519f2)[0x7f1a2d2f39f2]
      mysqld(_ZN5wsrep18wsrep_provider_v26C1ERNS_12server_stateERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESA_RKNS_8provider8servicesE+0x1ec)[0x5573dc9ad94c]
      mysqld(_ZN5wsrep8provider13make_providerERNS_12server_stateERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESA_RKNS0_8servicesE+0x54)[0x5573dc9aa714]
      mysqld(_ZN5wsrep12server_state13load_providerERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES8_RKNS_8provider8servicesE+0x1f3)[0x5573dc995a13]
      mysqld(_Z10wsrep_initv+0x193)[0x5573dc629063]
      mysqld(_Z18wsrep_init_startupb+0x16)[0x5573dc6296f6]
      mysqld(+0x69f299)[0x5573dc06d299]
      mysqld(_Z11mysqld_mainiPPc+0x403)[0x5573dc0720c3]
      /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3)[0x7f1a32db60b3]
      mysqld(_start+0x2e)[0x5573dc066d6e]
      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 /var/lib/mysql
      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             unlimited            unlimited            processes 
      Max open files            1048576              1048576              files     
      Max locked memory         67108864             67108864             bytes     
      Max address space         unlimited            unlimited            bytes     
      Max file locks            unlimited            unlimited            locks     
      Max pending signals       63975                63975                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/share/apport/apport %p %s %c %d %P %E 
      

      Config:

        mariadb.cnf: |
          [client]
          default-character-set = utf8
          [mysqld]
          core-file
          unix_socket = OFF
          performance_schema = ON
          character-set-server = utf8
          collation-server = utf8_general_ci
          ignore-db-dirs = lost+found 
          max_connections = 250
          interactive_timeout = 450 
          wait_timeout = 450
          table_definition_cache = 2100
          # InnoDB tuning
          innodb_buffer_pool_size = 7000MB
          innodb_log_file_size = 1600MB
          innodb_buffer_pool_size = 8400MB
          innodb_log_file_size = 2G
        galera.cnf: |
          [galera]
          user = mysql
          bind-address = 0.0.0.0
          default_storage_engine = InnoDB
          binlog_format = ROW
          innodb_autoinc_lock_mode = 2
          innodb_flush_log_at_trx_commit = 0
          query_cache_size = 0
          query_cache_type = 0
          binlog_cache_size = 61440
          # MariaDB Galera settings
          wsrep_on=ON
          wsrep_provider=/usr/lib/galera/libgalera_smm.so
          wsrep_sst_method=rsync
          wsrep_slave_threads=8
          wsrep_sync_wait=7
          # Cluster settings (automatically updated)
          wsrep_cluster_address=gcomm://
          wsrep_cluster_name=mysql
          wsrep_node_address=127.0.0.1
      

      Core file afterwards (one time download)
      https://file.io/pwReOYmUcUEb

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            Assignee:
            jplindst Jan Lindström
            Reporter:
            jaroslav Jaroslav
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              Dates

              Created:
              Updated:
              Resolved:

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