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  1. FreeNAS / TrueNAS
  2. NAS-108153

winbind panic, INTERNAL ERROR: Signal 11

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    • Impact:
      High

      Description

      On multiple systems the winbindd service stops working after some hours of being started.
      A restart of the service gets it back but only for it to fail again hours later.
      I've tried disabling/enabling Trusted Domain, Directory caching etc... no change, still crashes hours later.

      root@nex04[~]# cat /var/log/samba4/log.winbindd
      [2020/10/30 02:04:37.682085,  0] ../../source3/winbindd/winbindd.c:1779(main)
        winbindd version 4.12.7 started.
        Copyright Andrew Tridgell and the Samba Team 1992-2020
      [2020/10/30 02:04:37.711874,  0] ../../source3/winbindd/winbindd_cache.c:3205(initialize_winbindd_cache)
        initialize_winbindd_cache: clearing cache and re-creating with version number 2
      [2020/10/30 02:04:37.759125,  0] ../../lib/util/become_daemon.c:136(daemon_ready)
        daemon_ready: daemon 'winbindd' finished starting up and ready to serve connections
      [2020/10/30 05:00:30.847646,  0] ../../lib/util/fault.c:79(fault_report)
        ===============================================================
      [2020/10/30 05:00:30.847682,  0] ../../lib/util/fault.c:80(fault_report)
        INTERNAL ERROR: Signal 11 in pid 3071 (4.12.7)
        If you are running a recent Samba version, and if you think this problem is not yet fixed in the latest versions, please consider reporting this bug, see https://wiki.samba.org/index.php/Bug_Reporting
      [2020/10/30 05:00:30.847764,  0] ../../lib/util/fault.c:86(fault_report)
        ===============================================================
      [2020/10/30 05:00:30.847770,  0] ../../source3/lib/util.c:830(smb_panic_s3)
        PANIC (pid 3071): internal error
      [2020/10/30 05:00:30.849195,  0] ../../lib/util/fault.c:265(log_stack_trace)
        BACKTRACE: 6 stack frames:
         #0 0x802f39907 <log_stack_trace+0x37> at /usr/local/lib/samba4/libsamba-util.so.0
         #1 0x807578226 <smb_panic_s3+0x56> at /usr/local/lib/samba4/libsmbconf.so.0
         #2 0x802f396f7 <smb_panic+0x17> at /usr/local/lib/samba4/libsamba-util.so.0
         #3 0x802f39ade <log_stack_trace+0x20e> at /usr/local/lib/samba4/libsamba-util.so.0
         #4 0x802f396d9 <fault_setup+0x59> at /usr/local/lib/samba4/libsamba-util.so.0
         #5 0x80f273c20 <_pthread_sigmask+0x530> at /lib/libthr.so.3
      [2020/10/30 05:00:30.849246,  0] ../../source3/lib/dumpcore.c:315(dump_core)
        dumping core in /var/db/system/cores
      root@nex04[~]#
      root@nex04[~]# service winbindd status
      winbindd is not running.
      

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                  Assignee:
                  releng Release Council
                  Reporter:
                  q66 Francis Aitken
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