mythbuntu-bugs team mailing list archive

[Thomas Mashos <998348@xxxxxxxxxxxxxxxxxx>]

We really do appreciate you opening this ticket to help improve
Mythbuntu, but it needs to be closed for a number of reasons. The
biggest one is that upstream has moved on to a new version and believes
this to be fixed. Could you please verify if this issue still exists in
the latest version?

Please do not let the closing of this ticket dissuade you from opening a
new ticket if this (or any other) problem occurs with the newer
versions.

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

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https://bugs.launchpad.net/bugs/998348

Title:
  mythfrontend.real crashed with SIGSEGV in operator!=()

Status in Mythbuntu, Ubuntu derivative focused upon MythTV:
  Expired

Bug description:
  Crash while attempting to change channels in livetv

  ProblemType: Crash
  DistroRelease: Ubuntu 11.04
  Package: mythtv-frontend 2:0.24.2+fixes.20120409.e9a0ecb-0ubuntu0mythbuntu3
  ProcVersionSignature: Ubuntu 2.6.38-15.59-generic 2.6.38.8
  Uname: Linux 2.6.38-15-generic x86_64
  Architecture: amd64
  CrashCounter: 1
  CrashDB: mythbuntu
  Date: Sat May 12 09:11:26 2012
  ExecutablePath: /usr/bin/mythfrontend.real
  Installed_mythtv_dbg: 2:0.24.2+fixes.20120409.e9a0ecb-0ubuntu0mythbuntu3
  ProcCmdline: /usr/bin/mythfrontend.real --logfile /var/log/mythtv/mythfrontend.log
  ProcEnviron:
   LANGUAGE=en_GB:en
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7f850cd6f949 <QReadWriteLock::lockForRead()+265>:	mov    0x10(%rax),%eax
   PC (0x7f850cd6f949) ok
   source "0x10(%rax)" (0x00000050) not located in a known VMA region (needed readable region)!
   destination "%eax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: mythtv
  StacktraceTop:
   operator!= (this=0x1426358) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:75
   detach (this=0x1426358) at ../../include/QtCore/../../src/corelib/tools/qhash.h:299
   find (this=0x1426358) at ../../include/QtCore/../../src/corelib/tools/qhash.h:865
   QReadWriteLock::lockForRead (this=0x1426358) at thread/qreadwritelock.cpp:155
   TV::GetPlayerReadLock (this=0x1426140, which=-1, file=0x5e3d5b "guidegrid.cpp", location=1482) at tv_play.cpp:11902
  Title: mythfrontend.real crashed with SIGSEGV in operator!=()
  UpgradeStatus: Upgraded to natty on 2012-03-18 (54 days ago)
  UserGroups: adm admin cdrom dialout kvm libvirtd lpadmin mythtv plugdev sambashare

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