[mythtv-commits] Ticket #10670: periodic backend segfault in QMutex::lock() scanning EIT?

MythTV noreply at mythtv.org
Sun Apr 29 19:10:44 UTC 2012

#10670: periodic backend segfault in QMutex::lock() scanning EIT?
     Reporter:  andrew@…         |      Owner:  stuarta
         Type:  Bug Report -     |     Status:  new
  Crash                          |  Milestone:  unknown
     Priority:  minor            |    Version:  0.25-fixes
    Component:  MythTV - EIT     |   Keywords:  EIT segfault QMutex backend
     Severity:  medium           |
Ticket locked:  0                |
 I've had periodic crashes (once every day or two) of mythbackend using
 fixes/0.24 for a while and was hoping upgrading to 0.25 would fix things;
 but no cigar.

 Backtrace (see attached for full trace) shows:

 #0  0xb43508c5 in QMutex::lock() () from /usr/lib/qt4/libQtCore.so.4
 #1  0xb6edd932 in QMutexLocker::QMutexLocker (this=0xade97178, m=0x88) at
 #2  0xb73ba2fd in TVRec::SetChannel (this=0x0, name=..., requestType=4096)
 at tv_rec.cpp:3005
 #3  0xb737be6c in EITScanner::run (this=0x906e248) at eitscanner.cpp:136
 #4  0xb60c691b in MThread::run (this=0x90a4430) at mthread.cpp:319
 #5  0xb60c6f9d in MThreadInternal::run (this=0x90a4bf0) at mthread.cpp:78
 #6  0xb43543dc in ?? () from /usr/lib/qt4/libQtCore.so.4
 #7  0xb41f0d02 in start_thread (arg=0xade97b70) at pthread_create.c:301
 #8  0xb4036eae in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133

Ticket URL: <http://code.mythtv.org/trac/ticket/10670>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center

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