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  1. MariaDB Server
  2. MDEV-23053

Crash on start up as an galera member

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Incomplete
    • 10.4.13
    • N/A
    • Galera
    • None
    • CentOS 7.8 x86_64

    Description

      Today on of our galera members crash's on the start up. The second start up trigged by systemd was successfully.

      Here the logs:
      systemd:

      2020-06-30T06:39:03+0200 sl-it-t-galera2 systemd[1]: Started MariaDB 10.4.13 database server.
      2020-06-30T06:39:06+0200 sl-it-t-galera2 systemd[1]: mariadb.service: main process exited, code=killed, status=6/ABRT
      2020-06-30T06:39:06+0200 sl-it-t-galera2 systemd[1]: Unit mariadb.service entered failed state.
      2020-06-30T06:39:06+0200 sl-it-t-galera2 systemd[1]: mariadb.service failed.
      2020-06-30T06:39:11+0200 sl-it-t-galera2 systemd[1]: mariadb.service holdoff time over, scheduling restart.
      2020-06-30T06:39:11+0200 sl-it-t-galera2 systemd[1]: Stopped MariaDB 10.4.13 database server.
      2020-06-30T06:39:11+0200 sl-it-t-galera2 systemd[1]: Starting MariaDB 10.4.13 database server...
      

      MariaDB:

      2020-06-30  6:39:03 2 [Warning] WSREP: server: sl-it-t-galera2 unallowed state transition: joined -> joiner
       
      mysqld: /home/buildbot/buildbot/padding_for_CPACK_RPM_BUILD_SOURCE_DIRS_PREFIX/mariadb-10.4.13/wsrep-lib/src/server_state.cpp:1356: void wsrep::server_state::state(wsrep::unique_lock<wsrep::mutex>&, wsrep::server_state::state): Assertion `0' failed.
      200630  6:39:03 [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: 10.4.13-MariaDB
      key_buffer_size=134217728
      read_buffer_size=131072
      max_used_connections=0
      max_threads=153
      thread_count=8
      It is possible that mysqld could use up to 
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 467752 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x7f87d80009a8
      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 = 0x7f87e9ff9d20 thread_stack 0x49000
      /usr/sbin/mysqld(my_print_stacktrace+0x2e)[0x55b73429a6ce]
      /usr/sbin/mysqld(handle_fatal_signal+0x30f)[0x55b733d30f7f]
      sigaction.c:0(__restore_rt)[0x7f87fea6f630]
      :0(__GI_raise)[0x7f87fcd40387]
      :0(__GI_abort)[0x7f87fcd41a78]
      :0(__assert_fail_base)[0x7f87fcd391a6]
      :0(__GI___assert_fail)[0x7f87fcd39252]
      /usr/sbin/mysqld(_ZN5wsrep12server_state5stateERNS_11unique_lockINS_5mutexEEENS0_5stateE+0x642)[0x55b734328642]
      /usr/sbin/mysqld(_ZN5wsrep12server_state15prepare_for_sstEv+0x3d)[0x55b73432881d]
      /usr/sbin/mysqld(+0xeb651b)[0x55b73433751b]
      /usr/lib64/galera-4/libgalera_smm.so(+0x1a858b)[0x7f87f951558b]
      /usr/lib64/galera-4/libgalera_smm.so(+0x1a9081)[0x7f87f9516081]
      /usr/lib64/galera-4/libgalera_smm.so(+0x1a93de)[0x7f87f95163de]
      /usr/lib64/galera-4/libgalera_smm.so(+0x180a40)[0x7f87f94eda40]
      src/replicator_smm.cpp:2644(galera::ReplicatorSMM::process_st_required(void*, int, wsrep_view_info const*))[0x7f87f94edbee]
      src/replicator_smm.cpp:2834(operator())[0x7f87f9514afb]
      src/gcs_action_source.cpp:155(galera::GcsActionSource::dispatch(void*, gcs_action const&, bool&))[0x7f87f9527518]
      /usr/sbin/mysqld(_ZN5wsrep18wsrep_provider_v2611run_applierEPNS_21high_priority_serviceE+0xe)[0x55b73433692e]
      /usr/sbin/mysqld(+0x825e42)[0x55b733ca6e42]
      /usr/sbin/mysqld(_Z15start_wsrep_THDPv+0x35d)[0x55b733c9b72d]
      pthread_create.c:0(start_thread)[0x7f87fea67ea5]
      /lib64/libc.so.6(clone+0x6d)[0x7f87fce088dd]
       
      Trying to get some variables.
      Some pointers may be invalid and cause the dump to abort.
      Query (0x0): 
      Connection ID (thread ID): 2
      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=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 /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        0                    unlimited            bytes     
      Max resident set          unlimited            unlimited            bytes     
      Max processes             31119                31119                processes 
      Max open files            33000                33000                files     
      Max locked memory         65536                65536                bytes     
      Max address space         unlimited            unlimited            bytes     
      Max file locks            unlimited            unlimited            locks     
      Max pending signals       31119                31119                signals   
      Max msgqueue size         819200               819200               bytes     
      Max nice priority         0                    0                    
      Max realtime priority     0                    0                    
      Max realtime timeout      unlimited            unlimited            us        
      2020-06-30  6:39:14 0 [Note] WSREP: Loading provider /usr/lib64/galera-4/libgalera_smm.so initial position: b7cd80dc-3e9a-11ea-8787-073665549b8d:6722
      wsrep loader: [INFO] wsrep_load(): loading provider library '/usr/lib64/galera-4/libgalera_smm.so'
      wsrep loader: [INFO] wsrep_load(): Galera 26.4.4(r4599) by Codership Oy <info@codership.com> loaded successfully.
      2020-06-30  6:39:14 0 [Note] WSREP: CRC-32C: using hardware acceleration.
      2020-06-30  6:39:14 0 [Note] WSREP: disabling SSL compression
      2020-06-30  6:39:14 0 [Note] WSREP: SSL cipher list set to 'ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384'
      2020-06-30  6:39:14 0 [Note] WSREP: Found saved state: 00000000-0000-0000-0000-000000000000:-1, safe_to_bootstrap: 0
      2020-06-30  6:39:14 0 [Note] WSREP: GCache DEBUG: opened preamble:
      Version: 2
      UUID: b7cd80dc-3e9a-11ea-8787-073665549b8d
      Seqno: -1 - -1
      Offset: -1
      Synced: 0
      

      I have attached the abrt catch (which contains the core dump) of the os as abrt.tar.xz

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            jplindst Jan Lindström (Inactive)
            mdcsystems MDC systems
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              Updated:
              Resolved:

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