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  1. MariaDB MaxScale
  2. MXS-3226

Fatal: MaxScale 2.4.4 received fatal signal 11 (maxscale crash)

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    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: 2.4.4
    • Fix Version/s: N/A
    • Component/s: readwritesplit
    • Labels:
      None
    • Environment:
      CentOS Linux release 7.7.1908 (Core)

      Description

      Our maxscale crashed frequently.
      16 core cpu , 8G ram
      ----------------------------------------------------------------------------------------------------
      2020-10-06 20:37:04 alert : Fatal: MaxScale 2.4.4 received fatal signal 11. Commit ID: 231f68b6dc70804b785df356679601ab3eb8e379 System name: Linux Release string: NAME="CentOS Linux"
      2020-10-06 20:37:05 alert :
      /usr/lib64/maxscale/libreadwritesplit.so(_ZN14RWSplitSession17handle_got_targetEP5GWBUFPN8maxscale9RWBackendEb+0xab): include/maxscale/protocol/mysql.hh:633
      /usr/lib64/maxscale/libreadwritesplit.so(_ZN14RWSplitSession17route_single_stmtEP5GWBUF+0x667): server/modules/routing/readwritesplit/rwsplit_route_stmt.cc:375
      /usr/lib64/maxscale/libreadwritesplit.so(_ZN14RWSplitSession10routeQueryEP5GWBUF+0x216): server/modules/routing/readwritesplit/rwsplitsession.cc:162
      /usr/lib64/maxscale/libreadwritesplit.so(_ZN8maxscale6RouterI7RWSplit14RWSplitSessionE10routeQueryEP10mxs_routerP18mxs_router_sessionP5GWBUF+0x21): include/maxscale/router.hh:452
      /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(+0x102440): server/core/session.cc:1065
      /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker4tickEv+0x22f): maxutils/maxbase/include/maxbase/worker.hh:790
      /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase11WorkerTimer6handleEPNS_6WorkerEj+0x57): maxutils/maxbase/src/worker.cc:256
      /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker15poll_waiteventsEv+0x196): maxutils/maxbase/src/worker.cc:858
      /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker3runEPNS_9SemaphoreE+0x53): maxutils/maxbase/src/worker.cc:559
      /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(+0x1b4e9f): thread48.o:?
      /lib64/libpthread.so.0(+0x7e65): pthread_create.c:?
      /lib64/libc.so.6(clone+0x6d): ??:?
      ---------------------------------------------------------------------------------------------
      /etc/maxscale.cnf

      [enode1]
      type=server
      address=10.1.0.138
      port=3306
      protocol=mariadbbackend
      priority=2

      [enode2]
      type=server
      address=10.1.0.139
      port=3306
      protocol=mariadbbackend
      priority=3

      [enode3]
      type=server
      address=10.1.0.130
      port=3306
      protocol=mariadbbackend
      priority=1

      [ESTORE_Monitor]
      type=monitor
      module=galeramon
      servers=enode1,enode2,enode3
      user=maxscale_monitor
      password=xxxxxxxxxxxxxxxxxxxxxxxxxxxx
      monitor_interval=3000ms
      use_priority=true
      #disable_master_failback=true

      [ESTORE_Service]
      type=service
      router=readwritesplit
      #slave_selection_criteria=LEAST_CURRENT_OPERATIONS
      slave_selection_criteria=LEAST_GLOBAL_CONNECTIONS
      servers=enode1,enode2,enode3
      user=maxscale_monitor
      password=xxxxxxxxxxxxxxxxxxxxxxxxxx
      enable_root_user=1
      connection_timeout=1800s
      max_connections=1500
      max_slave_connections=1
      log_auth_warnings=true
      master_accept_reads=true
      master_failure_mode=fail_on_write
      master_reconnection=true
      max_sescmd_history=50
      prune_sescmd_history=true

      [ESTORE_Listener]
      type=listener
      service=ESTORE_Service
      protocol=mariadbclient
      address=0.0.0.0
      port=3308

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            Assignee:
            Unassigned Unassigned
            Reporter:
            xman13a steven lin
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              Updated:
              Resolved:

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