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[Apport retracing service <739119@xxxxxxxxxxxxxxxxxx>]

** Attachment added: "ThreadStacktrace.txt"
   https://bugs.edge.launchpad.net/bugs/739119/+attachment/2176818/+files/ThreadStacktrace.txt

** Changed in: mythtv (Ubuntu)
       Status: Triaged => Invalid

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https://bugs.launchpad.net/bugs/739119

Title:
  mythfrontend.real crashed with SIGSEGV in QMutex::lock()

Status in MythTV:
  New
Status in “mythtv” package in Ubuntu:
  Invalid

Bug description:
  Binary package hint: mythtv

  Crashed while in the watch recordings menu.

  ProblemType: Crash
  DistroRelease: Ubuntu 10.04
  Package: mythtv-frontend 2:0.24.0+fixes.20110312.40fc454-0ubuntu0mythbuntu1
  ProcVersionSignature: Ubuntu 2.6.32-29.58-generic 2.6.32.28+drm33.13
  Uname: Linux 2.6.32-29-generic i686
  NonfreeKernelModules: nvidia
  Architecture: i386
  CrashCounter: 1
  CrashDB: mythbuntu
  Date: Sun Mar 20 21:51:34 2011
  ExecutablePath: /usr/bin/mythfrontend.real
  Installed_mythtv_dbg: 2:0.24.0+fixes.20110312.40fc454-0ubuntu0mythbuntu1
  ProcCmdline: /usr/bin/mythfrontend.real --logfile /var/log/mythtv/mythfrontend.log
  ProcCwd: /home/supermario
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x45e101b <_ZN6QMutex4lockEv+251>:	lock xadd %edx,0x4(%eax)
   PC (0x045e101b) ok
   source "%edx" ok
   destination "0x4(%eax)" (0x00620004) in non-writable VMA region: 0x00617000-0x00622000 r-xp /usr/lib/libiec61883.so.0.1.1
  SegvReason: writing VMA /usr/lib/libiec61883.so.0.1.1
  Signal: 11
  SourcePackage: mythtv
  StacktraceTop:
   QMutex::lock() () from /usr/lib/libQtCore.so.4
   ThreadPool::ThreadTerminating (this=0x8a049c8, 
   WorkerThread::run (this=0x8a05098) at threadpool.cpp:271
   ?? () from /usr/lib/libQtCore.so.4
   start_thread (arg=0xb6083b70) at pthread_create.c:300
  Title: mythfrontend.real crashed with SIGSEGV in QMutex::lock()
  UserGroups: adm admin cdrom dialout lpadmin mythtv plugdev sambashare video
  XsessionErrors: (polkit-gnome-authentication-agent-1:2379): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed

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