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  1. MariaDB MaxScale
  2. MXS-3270

MaxScale 2.5.5 crashes with signal 11

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 2.5.5
    • 2.5.6
    • readwritesplit
    • Ubuntu 18.04.5 LTS, MariaDB Galera cluster, 3 nodes, RWSplit.

    Description

      Hi,
      I've just upgraded MaxScale from 2.4.12, which is working just fine and we're using it for a long time to 2.5.5. After updating configuration to new version MaxScale launched just fine, but as soon as I'm trying to use it it fails with signal11:

      2020-10-30 14:53:44 alert : (2) (RW-Test) MaxScale 2.5.5 received fatal signal 11. Commit ID: 91c3b76195d0057ddbe572bbb8d17f6ac6b09d5e System name: Linux Release string: Ubuntu 18.04.5 LTS
      2020-10-30 14:53:44 alert : (2) (RW-Test) Statement currently being classified: none/unknown
      2020-10-30 14:53:44 notice : (2) (RW-Test) Stmt 5(1970-01-01 10:00:00): START TRANSACTION
      2020-10-30 14:53:44 notice : (2) (RW-Test) Stmt 4(1970-01-01 10:00:00): SELECT XXXXXX
      2020-10-30 14:53:44 notice : (2) (RW-Test) Stmt 3(1970-01-01 10:00:00): SELECT XXXXXX
      2020-10-30 14:53:44 notice : (2) (RW-Test) Stmt 2(1970-01-01 10:00:00): COMMIT
      2020-10-30 14:53:44 notice : (2) (RW-Test) Stmt 1(1970-01-01 10:00:00): START TRANSACTION
      nm: /lib/x86_64-linux-gnu/libc.so.6: no symbols
      2020-10-30 14:53:46 alert : (2) (RW-Test)
      /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(_ZN7Session9QueryInfo20book_server_responseEP6SERVERb+0x33): /usr/include/c++/7/bits/vector.tcc:98
      /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(_ZN7Session20book_server_responseEP6SERVERb+0xfe): server/core/session.cc:1109
      /usr/lib/x86_64-linux-gnu/maxscale/libreadwritesplit.so(_ZN14RWSplitSession11clientReplyEP5GWBUFRKSt6vectorIPN8maxscale8EndpointESaIS5_EERKNS3_5ReplyE+0x196): server/modules/routing/readwritesplit/rwsplitsession.cc:606
      /usr/lib/x86_64-linux-gnu/maxscale/libreadwritesplit.so(_ZN8maxscale6RouterI7RWSplit14RWSplitSessionE11clientReplyEP10mxs_routerP18mxs_router_sessionP5GWBUFRKSt6vectorIPNS_8EndpointESaISC_EERKNS_5ReplyE+0x2a): include/maxscale/router.hh:455
      /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(_ZN15ServiceEndpoint11clientReplyEP5GWBUFRSt6vectorIPN8maxscale8EndpointESaIS5_EERKNS3_5ReplyE+0xae): server/core/service.cc:1848
      /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(_ZN14ServerEndpoint11clientReplyEP5GWBUFRSt6vectorIPN8maxscale8EndpointESaIS5_EERKNS3_5ReplyE+0xbb): server/core/server.cc:981 (discriminator 2)
      /usr/lib/x86_64-linux-gnu/maxscale/libmariadbclient.so(_ZN24MariaDBBackendConnection11normal_readEv+0x51d): server/modules/protocol/MariaDB/mariadb_backend.cc:828
      /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(_ZN3DCB14process_eventsEj+0x6c): server/core/dcb.cc:1291
      /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(_ZN3DCB13event_handlerEPS_j+0x21): server/core/dcb.cc:1350
      /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker15poll_waiteventsEv+0x1ce): maxutils/maxbase/src/worker.cc:879
      /usr/lib/x86_64-linux-gnu/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker3runEPNS_9SemaphoreE+0x53): maxutils/maxbase/src/worker.cc:574
      /usr/lib/x86_64-linux-gnu/libstdc++.so.6(+0xbd6df): ??:?
      /lib/x86_64-linux-gnu/libpthread.so.0(+0x76db): ??:?
      /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f): ??:0

      Configuration:

      [maxscale]
      threads=auto
      retain_last_statements=5
      dump_last_statements=on_error
      admin_secure_gui=false
      admin_host=10.22.20.1
      query_retries=3
       
      [GaleraMonitorTest]
      type=monitor
      module=galeramon
      servers=node1-test,node2-test,node3-test
      user=root
      password=root
      monitor_interval=1000
      disable_master_failback=true
      available_when_donor=true
       
      [RW-Test]
      type=service
      router=readwritesplit
      servers=node1-test,node2-test,node3-test
      user=root
      password=root
      max_slave_connections=100%
      connection_keepalive=30
      master_failure_mode=fail_on_write
      master_accept_reads=true
      disable_sescmd_history=true
      enable_root_user=true
       
      [RWlistener-Test]
      type=listener
      service=RW-Test
      protocol=mariadbclient
      address=10.22.20.1
      port=3308
       
      [node1-test]
      type=server
      address=10.22.23.201
      port=3306
      protocol=mariadbbackend
      priority=3
      persistmaxtime=3600s
      persistpoolmax=100
       
      [node2-test]
      type=server
      address=10.22.23.202
      port=3306
      protocol=mariadbbackend
      priority=2
      persistmaxtime=3600s
      persistpoolmax=100
       
      [node3-test]
      type=server
      address=10.22.23.203
      port=3306
      protocol=mariadbbackend
      priority=1
      persistmaxtime=3600s
      persistpoolmax=100
      

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            markus makela markus makela
            Lt_Flash Yury Kirsanov
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              Updated:
              Resolved:

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