mythbuntu-bugs team mailing list archive

[MarcRandolph <mrand@xxxxxxxxx>]

Howdy, and thank you for helping to improve Mythbuntu by opening this
ticket. Unfortunately, through no fault of your own, attached stacktrace
is not useful to the developers. Could you please update to the latest
version of the debug packages by following the "basic backtrace"
directions outlined here:

http://www.mythtv.org/wiki/Debugging#Debugging_with_Ubuntu_packages

The above process should result in a new ticket being opened if you can
reproduce the issue, so I'm going to close this ticket.

** Changed in: mythbuntu
   Importance: Undecided => High

** Changed in: mythbuntu
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/756536

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

Status in Mythbuntu, Ubuntu derivative focused upon MythTV:
  Invalid

Bug description:
  crashed during liveTV

  ProblemType: Crash
  DistroRelease: Ubuntu 11.04
  Package: mythtv-frontend 2:0.24.0+fixes.20110410.2a9d9f5-0ubuntu0mythbuntu3
  ProcVersionSignature: Ubuntu 2.6.38-8.41-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic x86_64
  NonfreeKernelModules: nvidia
  Architecture: amd64
  CrashCounter: 1
  CrashDB: mythbuntu
  Date: Sun Apr 10 14:44:19 2011
  ExecutablePath: /usr/bin/mythfrontend.real
  Installed_mythtv_dbg: 0.0
  ProcCmdline: /usr/bin/mythfrontend.real --logfile /var/log/hostname/mythfrontend.log
  ProcEnviron:
   LANGUAGE=en_US:en
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7f430da56d27 <_ZN6QMutex7tryLockEv+7>:	cmpb   $0x0,(%rdx)
   PC (0x7f430da56d27) ok
   source "$0x0" ok
   destination "(%rdx)" (0x000000a5) not located in a known VMA region (needed writable region)!
  SegvReason: writing NULL VMA
  Signal: 11
  SourcePackage: mythtv
  StacktraceTop:
   QMutex::tryLock() () from /usr/lib/libQtCore.so.4
   PlayerContext::InStateChange() const () from /usr/lib/libhostname-0.24.so.0
   TV::GetState(PlayerContext const*) const () from /usr/lib/libhostname-0.24.so.0
   TV::GetState(int) const () from /usr/lib/libhostname-0.24.so.0
   ?? ()
  Title: mythfrontend.real crashed with SIGSEGV in QMutex::tryLock()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm admin cdrom dialout lpadmin mythtv plugdev sambashare video