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[Bug 1198742] Re: mythlcdserver crashed with SIGSEGV in QMetaObject::activate()

 

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/1198742

Title:
  mythlcdserver crashed with SIGSEGV in QMetaObject::activate()

Status in Mythbuntu, Ubuntu derivative focused upon MythTV:
  Expired

Bug description:
  This happens sporadically, usually within 10 minutes of starting
  mythfrontend.  After the crash happens, Myth loses its connection to
  my LCD screen (antec Fusion, driver imonlcd), and the screen displays
  generic (non-Myth) debug information until mythfrontend is quit and
  restarted.

  ProblemType: Crash
  DistroRelease: Ubuntu 13.04
  Package: mythtv-frontend 2:0.26.0+fixes.20130707.28128e3-0ubuntu0mythbuntu1 [origin: LP-PPA-mythbuntu-0.26]
  ProcVersionSignature: Ubuntu 3.8.0-26.38-generic 3.8.13.2
  Uname: Linux 3.8.0-26-generic x86_64
  NonfreeKernelModules: nvidia
  .var.log.mythtv.mythavtest.log:
   
  .var.log.mythtv.mythccextractor.log:
   
  .var.log.mythtv.mythjobqueue.log:
   
  .var.log.mythtv.mythmediaserver.log:
   
  .var.log.mythtv.mythshutdown.log:
   
  .var.log.mythtv.mythutil.log:
   
  .var.log.mythtv.mythwelcome.log:
   
  ApportVersion: 2.9.2-0ubuntu8.1
  Architecture: amd64
  CrashDB: mythbuntu
  Date: Sun Jul  7 17:34:51 2013
  ExecutablePath: /usr/bin/mythlcdserver
  InstallationDate: Installed on 2012-08-03 (337 days ago)
  InstallationMedia: Mythbuntu 12.04 "Precise Pangolin" - Release amd64 (20120425)
  Installed_mythtv_dbg: 0.0
  MarkForUpload: True
  ProcCmdline: /usr/bin/mythlcdserver --verbose general --loglevel info --syslog local7
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x4050bf:	lock incl (%rax)
   PC (0x004050bf) ok
   source "(%rax)" (0x00000021) not located in a known VMA region (needed readable region)!
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: mythtv
  StacktraceTop:
   ?? ()
   ?? ()
   QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
   QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
   QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
  Title: mythlcdserver crashed with SIGSEGV in QMetaObject::activate()
  UpgradeStatus: Upgraded to raring on 2013-07-07 (0 days ago)
  UserGroups: adm cdrom dip lpadmin mythtv plugdev sambashare sudo video

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References