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["Peter D." <1017259@xxxxxxxxxxxxxxxxxx>]

While watching live TV I switched to a console with <ctrl><alt><F1> and
back again.

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https://bugs.launchpad.net/bugs/1017259

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

Status in Mythbuntu, Ubuntu derivative focused upon MythTV:
  New

Bug description:
  This crash happened after the following actions:
  I entered the file path's for the video files, covers and fanart.
  Then I opened the video gallery and mythtv asked if it should scan for video files.
  I awnsered it and after mythtv was finished with scanning I browsed through my movies.
  mythtv was scanning for covers in the background.
  When I wanted to leave the video part of mythtv it stopped reacting and a moment later the crash report popped up.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: mythtv-frontend 2:0.25.0+fixes.20120622.73bc45e-0ubuntu0mythbuntu4 [origin: LP-PPA-mythbuntu-0.25]
  ProcVersionSignature: Ubuntu 3.2.0-25.40-generic 3.2.18
  Uname: Linux 3.2.0-25-generic x86_64
  NonfreeKernelModules: wl
  .var.log.mythtv.mythavtest.log:
   
  .var.log.mythtv.mythbackend.log:
   
  .var.log.mythtv.mythccextractor.log:
   
  .var.log.mythtv.mythcommflag.log:
   
  .var.log.mythtv.mythfilldatabase.log:
   
  .var.log.mythtv.mythjobqueue.log:
   
  .var.log.mythtv.mythlcdserver.log:
   
  .var.log.mythtv.mythmediaserver.log:
   
  .var.log.mythtv.mythmetadatalookup.log:
   
  .var.log.mythtv.mythpreviewgen.log:
   
  .var.log.mythtv.mythshutdown.log:
   
  .var.log.mythtv.mythtranscode.log:
   
  .var.log.mythtv.mythtv.setup.log:
   
  .var.log.mythtv.mythutil.log:
   
  .var.log.mythtv.mythwelcome.log:
   
  ApportVersion: 2.0.1-0ubuntu8
  Architecture: amd64
  CrashDB: mythbuntu
  Date: Sun Jun 24 23:35:31 2012
  ExecutablePath: /usr/bin/mythfrontend.real
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328)
  Installed_mythtv_dbg: 0.0
  MythTVDirectoryPermissions:
   total 16
   drwxrwsr-x 2 mythtv mythtv 4096 mei 27 15:34 bare-client
   drwxrwsr-x 2 mythtv mythtv 4096 jun 22 04:06 music
   drwxrwxr-x 3 mythtv mythtv 4096 mei 27 17:51 pictures
   drwxr-xr-x 2 root   root   4096 jun 22 04:06 videos
  ProcCmdline: /usr/bin/mythfrontend.real --syslog local7
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=nl_NL.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7fc24ae5393e <_ZN6QMutex4lockEv+14>:	mov    (%rdi),%rbx
   PC (0x7fc24ae5393e) ok
   source "(%rdi)" (0x80000004a) not located in a known VMA region (needed readable region)!
   destination "%rbx" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: mythtv
  StacktraceTop:
   QMutex::lock() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
   QCoreApplication::postEvent(QObject*, QEvent*, int) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
   MetadataFactory::customEvent(QEvent*) () from /usr/lib/libmythmetadata-0.25.so.0
   QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
   QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
  Title: mythfrontend.real crashed with SIGSEGV in QMutex::lock()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin mythtv plugdev sambashare sudo
  modified.conffile..etc.mythtv.session.settings: [deleted]

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