mythbuntu-bugs team mailing list archive

[Matthias <mat@xxxxxxxxxxx>]

** Attachment added: "Backend log corresponding to the gdb (this be log starts earlier)"
   http://launchpadlibrarian.net/43501745/backendlog-during-gdb

-- 
Frontendmythfrontend.real crashed with SIGSEGV in QString::operator<()
https://bugs.launchpad.net/bugs/557265
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Status in Mythbuntu, Ubuntu derivative focused upon MythTV: Incomplete

Bug description:
h264 IPTV with Network Recorder: Frontend often hangs during channel change (getting "Partial Lock", Screen stays black) and is not able to record/livetv anymore until restarting backend. Backend itself does not crash. Frontend often does NOT crash either and can be exited normally. Sometimes has to be killed though. mythfrontend.real crashed with SIGSEGV in QString::operator<()

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: mythtv-frontend 0.23.0+fixes23983-0ubuntu0+mythbuntu2
ProcVersionSignature: Ubuntu 2.6.32-19.28-generic 2.6.32.10+drm33.1
Uname: Linux 2.6.32-19-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
CrashDB: mythbuntu
Date: Wed Apr  7 13:22:57 2010
ExecutablePath: /usr/bin/mythfrontend.real
InstallationMedia: Mythbuntu 10.04 "Lucid Lynx" - Beta i386 (20100318)
Installed_mythplugins-dbg: 0.23.0+fixes23884-0ubuntu0+mythbuntu2
Installed_mythtv-dbg: 0.23.0+fixes23983-0ubuntu0+mythbuntu2
ProcCmdline: /usr/bin/mythfrontend.real --logfile /var/log/mythtv/mythfrontend.log
ProcEnviron:
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x8502514 <_ZNK7QStringltERKS_+20>:	mov    0x8(%eax),%edx
 PC (0x08502514) 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 ()
 qMapLessThanKey<QString> (key1=..., key2=...)
 QMap<QString, MythImage*>::findNode (this=0xb4f01ef4, 
 QMap<QString, MythImage*>::contains (this=0xb4f01ef4, 
 MythUIHelper::LoadCacheImage (this=0xb4f018a0, srcfile=...,
Title: mythfrontend.real crashed with SIGSEGV in QString::operator<()
UserGroups: adm admin cdrom dialout lpadmin mythtv plugdev sambashare video