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Message #05228
[Bug 998348] Re: mythfrontend.real crashed with SIGSEGV in operator!=()
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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:
New
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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