nepomukservicestub crashed with SIGSEGV in operator!=()

[Jimmy Carter]

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ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: nepomuk-core 4:4.9.0a-0ubuntu3
ProcVersionSignature: Ubuntu 3.5.0-13.14-generic 3.5.3
Uname: Linux 3.5.0-13-generic i686
ApportVersion: 2.5.1-0ubuntu4
Architecture: i386
Date: Sun Sep 2 06:37:45 2012
ExecutablePath: /usr/bin/nepomukservicestub
ProcCmdline: /usr/bin/nepomukservicestub nepomukfilewatch
SegvAnalysis:
 Segfault happened at: 0xb1f1da10: mov (%eax),%edx
 PC (0xb1f1da10) ok
 source "(%eax)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: nepomuk-core
StacktraceTop:
 ?? () from /usr/lib/kde4/nepomukfilewatch.so
 ?? () from /usr/lib/kde4/nepomukfilewatch.so
 QMetaCallEvent::placeMetaCall(QObject*) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
 QObject::event(QEvent*) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
 QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/i386-linux-gnu/libQtGui.so.4
Title: nepomukservicestub crashed with SIGSEGV in QMetaCallEvent::placeMetaCall()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 operator!= (value=1, this=0x0) at /usr/include/qt4/QtCore/qbasicatomic.h:75
 detach (this=0x99eaa4c) at /usr/include/qt4/QtCore/qlist.h:139
 begin (this=0x99eaa4c) at /usr/include/qt4/QtCore/qlist.h:267
 first (this=0x99eaa4c) at /usr/include/qt4/QtCore/qlist.h:282
 front (this=0x99eaa4c) at /usr/include/qt4/QtCore/qlist.h:298

[Rohan Garg (rohangarg)]

Hi there!

Thanks for reporting this bug! Your bug seems to be a problem with the KDE program itself, and not with our KDE packages. While we appreciate your issue, it would be better if it was tracked at https://bugs.kde.org, so that the KDE developers can deal with this speedily and have direct communication with you as the reporter for more effective debugging.

Thanks!