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Message #07705
[Bug 1105549] Re: mythlcdserver crashed with SIGSEGV in ref()
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https://bugs.launchpad.net/bugs/1105549
Title:
mythlcdserver crashed with SIGSEGV in ref()
Status in Mythbuntu, Ubuntu derivative focused upon MythTV:
New
Bug description:
garbage "RE" characters on display, so front-end closed, LCDd
restarted, then front-end restarted
ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: mythtv-frontend 2:0.26.0+fixes.20130118.8f8274a-0ubuntu0mythbuntu2 [origin: LP-PPA-mythbuntu-0.26]
ProcVersionSignature: Ubuntu 3.2.0-36.57-generic 3.2.35
Uname: Linux 3.2.0-36-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.mythtranscode.log:
.var.log.mythtv.mythutil.log:
.var.log.mythtv.mythwelcome.log:
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: amd64
CrashCounter: 1
CrashDB: mythbuntu
Date: Sat Jan 26 00:40:03 2013
ExecutablePath: /usr/bin/mythlcdserver
Installed_mythtv_dbg: 2:0.26.0+fixes.20130118.8f8274a-0ubuntu0mythbuntu2
MarkForUpload: True
ProcCmdline: /usr/bin/mythlcdserver --verbose general --loglevel info --syslog local7
ProcEnviron:
PATH=(custom, no user)
LANG=fr_FR.UTF-8
SHELL=/bin/bash
SegvAnalysis:
Segfault happened at: 0x4050bf <QString::QString(QString const&)+15>: lock incl (%rax)
PC (0x004050bf) ok
source "(%rax)" (0x00000031) not located in a known VMA region (needed readable region)!
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: mythtv
StacktraceTop:
ref (this=0x31) at /usr/include/qt4/QtCore/qatomic_x86_64.h:121
QString::QString (this=<optimized out>, other=...) at /usr/include/qt4/QtCore/qstring.h:726
TunerStatus (this=0x7fff7741d200) at ../../libs/libmythtv/tvremoteutil.h:18
LCDProcClient::outputRecStatus (this=0x9676b0) at lcdprocclient.cpp:1998
QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
Title: mythlcdserver crashed with SIGSEGV in ref()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin mythtv plugdev sambashare sudo video
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