mythbuntu-bugs team mailing list archive

[MarcRandolph <mrand@xxxxxxxxx>]

Howdy, and thank you for helping to improve Mythbuntu by opening this
ticket.  I've forwarded the important information to the MythTV
developers - we'll see what they find!

** Bug watch added: code.mythtv.org/trac/ #10564
   http://code.mythtv.org/trac/ticket/10564

** Also affects: mythtv via
   http://code.mythtv.org/trac/ticket/10564
   Importance: Unknown
       Status: Unknown

** Visibility changed to: Public

** Changed in: mythtv (Ubuntu)
   Importance: Medium => High

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

-- 
You received this bug notification because you are a member of Mythbuntu
Bug Team, which is subscribed to mythtv in Ubuntu.
https://bugs.launchpad.net/bugs/946257

Title:
  mythbackend crashed with SIGSEGV in __pthread_mutex_lock()

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

Bug description:
  Not sure whats going on

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: mythtv-backend 2:0.25.0~master.20120223.532cee8-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-17.27-generic-pae 3.2.6
  Uname: Linux 3.2.0-17-generic-pae i686
  NonfreeKernelModules: nvidia
  ApportVersion: 1.94-0ubuntu1
  Architecture: i386
  CrashCounter: 1
  Date: Sun Mar  4 10:54:27 2012
  ExecutablePath: /usr/bin/mythbackend
  Installed_mythtv_dbg: 0.0
  ProcCmdline: /usr/bin/mythbackend --syslog local7 --user mythtv
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
  SegvAnalysis:
   Segfault happened at: 0xb6723cb7 <pthread_mutex_lock+23>:	mov    0xc(%esi),%edi
   PC (0xb6723cb7) ok
   source "0xc(%esi)" (0x0000000c) not located in a known VMA region (needed readable region)!
   destination "%edi" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: mythtv
  StacktraceTop:
   pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
   QWaitCondition::wakeAll() () from /usr/lib/i386-linux-gnu/libQtCore.so.4
   PreviewGenerator::TeardownAll() () from /usr/lib/libmythtv-0.25.so.0
   PreviewGenerator::deleteLater() () from /usr/lib/libmythtv-0.25.so.0
   PreviewGeneratorQueue::~PreviewGeneratorQueue() () from /usr/lib/libmythtv-0.25.so.0
  Title: mythbackend crashed with SIGSEGV in pthread_mutex_lock()
  UpgradeStatus: Upgraded to precise on 2012-02-26 (6 days ago)
  UserGroups: audio cdrom dialout video

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