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[MarcRandolph <mrand@xxxxxxxxx>]

Thank you for helping to improve Mythbuntu by opening this ticket. Unfortunately, this backtrace attached is not useful to the
developers. Could you please follow the "basic backtrace" directions outlined below and attempt to recreate the crash?

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

The above process should result in a new ticket being opened, so I'm
going to close this one.

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

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

** Visibility changed to: Public

-- 
mythfrontend.real crashed with SIGSEGV in QString::operator<()
https://bugs.launchpad.net/bugs/549753
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Status in “mythtv” package in Ubuntu: Invalid

Bug description:
Binary package hint: mythtv

i performed update-manager -d and upgraded to lucid on this mythfrontend terminal, but not on the backend. This crash occurred when I tried to start mythfrontend the first time after the upgrade.

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: mythtv-frontend 0.23.0+fixes23789-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1
Uname: Linux 2.6.32-17-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Sat Mar 27 14:01:25 2010
ExecutablePath: /usr/bin/mythfrontend.real
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
Installed_mythplugins-dbg: 0.0
Installed_mythtv-dbg: 0.0
MythTVDirectoryPermissions:
 total 4
 drwxrwxr-x 3 mythtv mythtv 4096 2010-02-02 08:21 pictures
ProcCmdline: /usr/bin/mythfrontend.real --logfile /var/log/mythtv/mythfrontend.log
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x359a514 <_ZNK7QStringltERKS_+20>:	mov    0x8(%eax),%edx
 PC (0x0359a514) ok
 source "0x8(%eax)" (0x00000008) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: mythtv
StacktraceTop:
 QString::operator<(QString const&) const ()
 bool qMapLessThanKey<QString>(QString const&, QString const&) ()
 QMap<QString, MythImage*>::mutableFindNode(QMapData::Node**, QString const&) const () from /usr/lib/libmythui-0.23.so.0
 QMap<QString, MythImage*>::operator[](QString const&) ()
 MythUIHelper::LoadCacheImage(QString, QString, ImageCacheMode) () from /usr/lib/libmythui-0.23.so.0
Title: mythfrontend.real crashed with SIGSEGV in QString::operator<()
UserGroups: adm admin cdrom dialout lpadmin mysql mythtv plugdev sambashare
XsessionErrors:
 (polkit-gnome-authentication-agent-1:2649): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (gnome-appearance-properties:2799): Gdk-CRITICAL **: gdk_display_sync: assertion `GDK_IS_DISPLAY (display)' failed
 (gnome-appearance-properties:2799): Gdk-CRITICAL **: gdk_display_sync: assertion `GDK_IS_DISPLAY (display)' failed
 (gnome-terminal:6828): Gtk-CRITICAL **: gtk_accel_map_unlock_path: assertion `entry != NULL && entry->lock_count > 0' failed
 (gnome-terminal:13502): Gtk-CRITICAL **: gtk_accel_map_unlock_path: assertion `entry != NULL && entry->lock_count > 0' failed