mythbuntu-bugs team mailing list archive

[MarcRandolph <mrand@xxxxxxxxx>]

*** This bug is a duplicate of bug 962981 ***
    https://bugs.launchpad.net/bugs/962981

Todd Howe , can you describe what you might have been doing when this
crash was generated? Was it when the frontend first fired up? Were you
moving around the menus? Opening a screen (recordings? videos?
schedules?)? Or maybe starting up a video or recording for playback? The
log doesn't seem to indicate anything.

Thank you!

** No longer affects: mythtv

** Bug watch added: code.mythtv.org/trac/ #10554
   http://code.mythtv.org/trac/ticket/10554

** Also affects: mythtv via
   http://code.mythtv.org/trac/ticket/10554
   Importance: Unknown
       Status: Unknown

** This bug has been marked a duplicate of bug 962981
   mythfrontend.real crashed with SIGSEGV in QMutex::lock()

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https://bugs.launchpad.net/bugs/953442

Title:
  mythfrontend.real crashed with SIGSEGV in
  QCoreApplication::postEvent()

Status in MythTV:
  Unknown
Status in “mythtv” package in Ubuntu:
  Triaged

Bug description:
  Crashed after changing database configuration password from old value
  to new value (connecting to 0.25 LAN backend for first time)

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: mythtv-frontend 2:0.25.0~master.20120305.6519666-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-18.29-generic 3.2.9
  Uname: Linux 3.2.0-18-generic x86_64
  ApportVersion: 1.94.1-0ubuntu2
  Architecture: amd64
  CrashCounter: 1
  Date: Mon Mar 12 17:15:13 2012
  EcryptfsInUse: Yes
  ExecutablePath: /usr/bin/mythfrontend.real
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
  Installed_mythtv_dbg: 0.0
  ProcCmdline: /usr/bin/mythfrontend.real --syslog local7
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7f3c42e59b04 <_ZN16QCoreApplication9postEventEP7QObjectP6QEventi+36>:	mov    0x40(%r15),%rbx
   PC (0x7f3c42e59b04) ok
   source "0x40(%r15)" (0x00000040) not located in a known VMA region (needed readable region)!
   destination "%rbx" ok
   Stack memory exhausted (SP below stack segment)
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: mythtv
  StacktraceTop:
   QCoreApplication::postEvent(QObject*, QEvent*, int) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
   MythObservable::dispatch(MythEvent const&) () from /usr/lib/libmythbase-0.25.so.0
   MythCoreContext::dispatch(MythEvent const&) () from /usr/lib/libmythbase-0.25.so.0
   ?? ()
   ?? () from /usr/lib/libmythbase-0.25.so.0
  Title: mythfrontend.real crashed with SIGSEGV in QCoreApplication::postEvent()
  UpgradeStatus: Upgraded to precise on 2012-03-10 (2 days ago)
  UserGroups: adm cdrom dip lpadmin mythtv plugdev sambashare sudo

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