[mythtv-commits] Ticket #11318: Segfault in mythbackend (mainserver/autoexpire?)

[MythTV]

#11318: Segfault in mythbackend (mainserver/autoexpire?)
--------------------------------+-----------------------------
 Reporter:  verycoldpenguin@…   |          Owner:  stuartm
     Type:  Bug Report - Crash  |         Status:  accepted
 Priority:  minor               |      Milestone:  0.27
Component:  MythTV - General    |        Version:  Master Head
 Severity:  medium              |     Resolution:
 Keywords:                      |  Ticket locked:  0
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Comment (by michael@…):

 Any progress on this, since upgrading from a smoothly working 0.26 to
 0.27, with a slave backend connected, the master backend will eventually
 segfault.  If slave backends are not connected the master backend is
 stable.

 Final lines of MBE Log prior to crash.

 Jul 28 19:44:44 mythone mythlogserver: mythbackend[24529]: I
 ProcessRequest mainserver.cpp:1430 (HandleAnnounce) MainServer::ANN
 Playback
 Jul 28 19:44:44 mythone mythlogserver: mythbackend[24529]: I
 ProcessRequest mainserver.cpp:1432 (HandleAnnounce) adding: mythone as a
 client (events: 0)
 Jul 28 19:44:44 mythone mythlogserver: mythbackend[24529]: I
 ProcessRequest mainserver.cpp:1430 (HandleAnnounce) MainServer::ANN
 Monitor
 Jul 28 19:44:44 mythone mythlogserver: mythbackend[24529]: I
 ProcessRequest mainserver.cpp:1432 (HandleAnnounce) adding: mythone as a
 client (events: 1)
 Jul 28 19:44:50 mythone mythlogserver: mythbackend[24529]: I Scheduler
 scheduler.cpp:2204 (HandleReschedule) Scheduled 550 items in 14.5 = 1.28
 match + 4.24 check + 9.02 place
 Jul 28 19:44:50 mythone mythlogserver: mythbackend[24529]: I Scheduler
 scheduler.cpp:2262 (HandleRunSchedulerStartup) Scheduler: AUTO-Startup
 assumed
 Jul 28 19:44:52 mythone mythlogserver: mythbackend[24529]: I TVRecEvent
 tv_rec.cpp:1565 (HandlePendingRecordings) TVRec[3]: ASK_RECORDING 3 0 0 0
 Jul 28 19:44:52 mythone mythlogserver: mythbackend[24529]: I TVRecEvent
 tv_rec.cpp:1048 (HandleStateChange) TVRec[3]: Changing from None to
 RecordingOnly
 Jul 28 19:44:52 mythone mythlogserver: mythbackend[24529]: I TVRecEvent
 tv_rec.cpp:3597 (TuningCheckForHWChange) TVRec[3]: HW Tuner: 3->3
 Jul 28 19:44:53 mythone mythlogserver: mythbackend[24529]: I TVRecEvent
 tv_rec.cpp:1565 (HandlePendingRecordings) TVRec[1]: ASK_RECORDING 1 0 0 0
 Jul 28 19:44:53 mythone mythlogserver: mythbackend[24529]: I TVRecEvent
 tv_rec.cpp:1565 (HandlePendingRecordings) TVRec[2]: ASK_RECORDING 2 0 0 0
 Jul 28 19:44:55 mythone mythlogserver: mythbackend[24529]: E Scheduler
 mythsocket.cpp:353 (SendReceiveStringList) MythSocket(1a30b20:83): Got
 MythEvent on non-event socket
 Jul 28 19:44:55 mythone mythlogserver: mythbackend[24529]: E Scheduler
 playbacksock.cpp:94 (SendReceiveStringList)
 PlaybackSock::SendReceiveStringList(): No response.
 Jul 28 19:44:55 mythone mythlogserver: mythbackend[24529]: C CoreContext
 signalhandling.cpp:305 (handleSignal) Received Segmentation fault: Code
 128, PID 0, UID 0, Value 0x7f3bae625838
 Jul 28 19:44:55 mythone mythlogserver: mythbackend[24529]: E
 ProcessRequest mainserver.cpp:873 (ProcessRequestWork) Unknown command:
 tv01

 Log snipped from SBE as MBE Crashed.

 Jul 28 19:44:22 tv01 mythlogserver: mythbackend[1054]: E ProcessRequest
 mainserver.cpp:869 (ProcessRequestWork) Got 'UNKNOWN_COMMAND' out of
 sequence.
 Jul 28 19:44:24 tv01 mythlogserver: mythbackend[1054]: N CoreContext
 mainserver.cpp:6207 (reconnectTimeout) Connecting to master server:
 10.0.11.230:6543
 Jul 28 19:44:24 tv01 mythlogserver: mythbackend[1054]: E
 MythSocketThread(-1) mythsocket.cpp:639 (ConnectToHostReal)
 MythSocket(cc8240:-1): Failed to connect to (10.0.11.230:6543) Connection
 refused

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Ticket URL: <http://code.mythtv.org/trac/ticket/11318#comment:8>
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