mythbuntu-bugs team mailing list archive

[Charlie Kempson <charlie.kempson@xxxxxxxxxxxx>]

** Attachment added: ".var.log.mythtv.mythbackend.log.txt"
   http://launchpadlibrarian.net/42887600/.var.log.mythtv.mythbackend.log.txt

** Attachment added: ".var.log.mythtv.mythfrontend.log.txt"
   http://launchpadlibrarian.net/42887601/.var.log.mythtv.mythfrontend.log.txt

** Attachment added: "Dependencies.txt"
   http://launchpadlibrarian.net/42887602/Dependencies.txt

** Attachment added: "Disassembly.txt"
   http://launchpadlibrarian.net/42887603/Disassembly.txt

** Attachment added: "MythTVDirectoryPermissions.txt"
   http://launchpadlibrarian.net/42887604/MythTVDirectoryPermissions.txt

** Attachment added: "ProcMaps.txt"
   http://launchpadlibrarian.net/42887605/ProcMaps.txt

** Attachment added: "ProcStatus.txt"
   http://launchpadlibrarian.net/42887606/ProcStatus.txt

** Attachment added: "Registers.txt"
   http://launchpadlibrarian.net/42887607/Registers.txt

** Attachment added: "Stacktrace.txt"
   http://launchpadlibrarian.net/42887608/Stacktrace.txt

** Attachment added: "ThreadStacktrace.txt"
   http://launchpadlibrarian.net/42887609/ThreadStacktrace.txt

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mythfrontend.real crashed with SIGSEGV in QMutex::lock()
https://bugs.launchpad.net/bugs/553999
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Status in “mythtv” package in Ubuntu: New

Bug description:
Binary package hint: mythtv

Occurred immediately after inserting a DVD in the drive and hitting Play DVD.  I note that Ubuntu desktop mounted the drive and also asked if I wanted to play it.  Suggest it may have been a contention issue?

Lucid beta 1 version of MythTV.

mythtv:
  Installed: 0.23.0+fixes23820-0ubuntu1
  Candidate: 0.23.0+fixes23820-0ubuntu1
  Version table:
 *** 0.23.0+fixes23820-0ubuntu1 0
        500 http://au.archive.ubuntu.com/ubuntu/ lucid/multiverse Packages
        100 /var/lib/dpkg/status

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: mythtv-frontend 0.23.0+fixes23820-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-18.27-generic 2.6.32.10+drm33.1
Uname: Linux 2.6.32-18-generic i686
Architecture: i386
Date: Fri Apr  2 20:17:53 2010
ExecutablePath: /usr/bin/mythfrontend.real
Installed_mythplugins-dbg: 0.0
Installed_mythtv-dbg: 0.0
ProcCmdline: /usr/bin/mythfrontend.real
ProcEnviron:
 LANG=en_AU.utf8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x21f3f37 <_ZN6QMutex4lockEv+23>:	mov    (%edi),%edx
 PC (0x021f3f37) ok
 source "(%edi)" (0x00000049) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: mythtv
StacktraceTop:
 QMutex::lock() () from /usr/lib/libQtCore.so.4
 QCoreApplication::postEvent(QObject*, QEvent*, int) ()
 QCoreApplication::postEvent(QObject*, QEvent*) ()
 MythObservable::dispatch(MythEvent const&) ()
 MythContext::dispatch(MythEvent const&) ()
Title: mythfrontend.real crashed with SIGSEGV in QMutex::lock()
UserGroups: adm admin cdrom dialout lpadmin mythtv netdev plugdev sambashare
XsessionErrors:
 (polkit-gnome-authentication-agent-1:1907): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (gnome-terminal:2156): Gtk-CRITICAL **: gtk_accel_map_unlock_path: assertion `entry != NULL && entry->lock_count > 0' failed
 (gnome-terminal:5447): Gtk-CRITICAL **: gtk_accel_map_unlock_path: assertion `entry != NULL && entry->lock_count > 0' failed
 (gnome-terminal:13984): Gtk-CRITICAL **: gtk_accel_map_unlock_path: assertion `entry != NULL && entry->lock_count > 0' failed
 (<unknown>:20048): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed