Segfault in mythbackend (libQtCore.so.4.7.4)

[ajm1@…]

Can hit this about every two days, but only if not running within gbd. If running inside of gdb, was able to run 2 or more weeks without hitting.

dmesg:

[213700.275686] mythbackend[1279]: segfault at 48 ip 00007f28f63a8cbd sp 00007f28e6d5dcd0 error 4 in libQtCore.so.4.7.4[7f28f6229000+292000]

mythbackend --version:
Please attach all output as a file in bug reports.
MythTV Version : v0.25-94-gec51a97
MythTV Branch : fixes/0.25
Network Protocol : 72
Library API : 0.25.20120506-1
QT Version : 4.7.4
Options compiled in:
 linux profile use_hidesyms using_alsa using_pulse using_pulseoutput using_backend using_bindings_perl using_bindings_python using_bindings_php using_frontend using_hdhomerun using_ceton using_hdpvr using_libcrypto using_libxml2 using_lirc using_mheg using_opengl_video using_qtwebkit using_qtscript using_qtdbus using_v4l2 using_x11 using_xrandr using_xv using_bindings_perl using_bindings_python using_bindings_php using_mythtranscode using_opengl using_vaapi using_vdpau using_ffmpeg_threads using_mheg using_libxml2

backendlog at time of crash:

May 29 03:17:41 pvr mythbackend[1264]: I ProcessRequest mainserver.cpp:1362 (HandleAnnounce) adding: pvr as a client (events: 1)
May 29 03:18:43 pvr mythbackend[1264]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
May 29 03:23:47 pvr mythbackend[1264]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
May 29 03:24:28 pvr mythbackend[1264]: N Expire autoexpire.cpp:263 (CalcParams) AutoExpire: CalcParams(): Max required Free Space: 1.0 GB w/freq: 15 min
May 29 03:27:28 pvr mythbackend[1264]: I ProcessRequest mainserver.cpp:1360 (HandleAnnounce) MainServer::ANN Monitor
May 29 03:27:28 pvr mythbackend[1264]: I ProcessRequest mainserver.cpp:1362 (HandleAnnounce) adding: pvr as a client (events: 0)
May 29 03:27:28 pvr mythbackend[1264]: I ProcessRequest mainserver.cpp:1360 (HandleAnnounce) MainServer::ANN Monitor
May 29 03:27:28 pvr mythbackend[1264]: I ProcessRequest mainserver.cpp:1362 (HandleAnnounce) adding: pvr as a client (events: 1)
May 29 03:28:52 pvr mythbackend[1264]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
May 29 03:33:54 pvr mythbackend[1264]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
May 29 03:36:28 pvr mythbackend[1264]: I TVRecEvent tv_rec.cpp:1521 (HandlePendingRecordings) TVRec(8): ASK_RECORDING 8 20 0 0
May 29 03:36:49 pvr mythbackend[1264]: I TVRecEvent tv_rec.cpp:1014 (HandleStateChange) TVRec(8): Changing from None to RecordingOnly
May 29 03:36:49 pvr mythbackend[1264]: I TVRecEvent tv_rec.cpp:3459 (TuningCheckForHWChange) TVRec(8): HW Tuner: 8->8
May 29 03:36:49 pvr mythbackend[1264]: I TVRecEvent v4lchannel.cpp:661 (SetInputAndFormat) V4LChannel(/dev/video0): SetInputAndFormat(6, NTSC) (v4l v2) input_switch: 0 mode_switch: 0
May 29 03:36:49 pvr mythbackend[1264]: N Scheduler autoexpire.cpp:263 (CalcParams) AutoExpire: CalcParams(): Max required Free Space: 3.0 GB w/freq: 15 min
May 29 03:36:49 pvr mythbackend[1264]: I Scheduler scheduler.cpp:2460 (HandleRecordingStatusChange) Tuning recording: etalk: channel 3806 on cardid 8, sourceid 3

[sphery]

Resetting defaults and formatting description