Bug 312842

Application: nepomukservicestub (0.1.0)
KDE Platform Version: 4.9.97
Qt Version: 4.8.3
Operating System: Linux 3.5.0-22-generic i686
Distribution: Ubuntu 12.10

-- Information about the crash:
- What I was doing when the application crashed:
just starting using Kubuntu 12.10.
happens since I installed KDE 4.10 rc2

The crash can be reproduced every time.

-- Backtrace:
Application: Nepomuk Service Stub (nepomukservicestub), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb546b740 (LWP 2431))]

Thread 3 (Thread 0xb25eeb40 (LWP 2434)):
#0  0xb5deac08 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb5deaf08 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb5da9515 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb5da9bff in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb5da9e61 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb763f99f in QEventDispatcherGlib::processEvents (this=0xb1c00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb760c26c in QEventLoop::processEvents (this=this@entry=0xb25ee258, flags=...) at kernel/qeventloop.cpp:149
#7  0xb760c561 in QEventLoop::exec (this=0xb25ee258, flags=...) at kernel/qeventloop.cpp:204
#8  0xb74f766c in QThread::exec (this=this@entry=0x840c440) at thread/qthread.cpp:501
#9  0xb74f77cb in QThread::run (this=0x840c440) at thread/qthread.cpp:568
#10 0xb74faa58 in QThreadPrivate::start (arg=0x840c440) at thread/qthread_unix.cpp:338
#11 0xb5e8dd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb5f90d3e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xb1bffb40 (LWP 2436)):
#0  0xb5e63dcd in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0xb7558fb5 in do_gettime (frac=0xb1bfef70, sec=0xb1bfef68) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0xb764036e in QTimerInfoList::updateCurrentTime (this=0xb1202074) at kernel/qeventdispatcher_unix.cpp:343
#4  0x7fffffff in ?? ()
#5  0xb76406fa in QTimerInfoList::timerWait (this=0xb1202074, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#6  0x7fffffff in ?? ()

Thread 1 (Thread 0xb546b740 (LWP 2431)):
[KCrash Handler]
#6  ref (this=0x1) at ../../include/QtCore/../../src/corelib/arch/qatomic_i386.h:120
#7  QString::operator= (this=0x8437cbc, other=...) at tools/qstring.cpp:1410
#8  0xb753d1f6 in prepareEngineForMatch (priv=0x8437ca8, str=...) at tools/qregexp.cpp:3733
#9  0xb753d446 in QRegExp::exactMatch (this=0x844ac1c, str=...) at tools/qregexp.cpp:4082
#10 0xb25f26ca in RegExpCache::exactMatch (this=0x840b904, s=...) at ../../common/regexpcache.cpp:40
#11 0xb2621e23 in Nepomuk2::FileIndexerConfig::shouldFileBeIndexed (this=this@entry=0x840b8f0, fileName=...) at ../../../services/fileindexer/fileindexerconfig.cpp:217
#12 0xb2622a2e in Nepomuk2::FileIndexerConfig::shouldFolderBeWatched (this=0x840b8f0, path=...) at ../../../services/fileindexer/fileindexerconfig.cpp:175
#13 0xb261be6b in (anonymous namespace)::IgnoringKInotify::filterWatch (this=0x847cc58, path=..., modes=..., flags=...) at ../../../services/filewatch/nepomukfilewatch.cpp:86
#14 0xb262b10f in addWatch (path=..., this=0x8486bc8) at ../../../services/filewatch/kinotify.cpp:116
#15 KInotify::addWatch (this=0x847cc58, path=..., mode=..., flags=...) at ../../../services/filewatch/kinotify.cpp:251
#16 0xb261c766 in watchFolder (path=..., this=0x840b8c8) at ../../../services/filewatch/nepomukfilewatch.cpp:194
#17 Nepomuk2::FileWatch::watchFolder (this=0x840b8c8, path=...) at ../../../services/filewatch/nepomukfilewatch.cpp:187
#18 0xb261d6ed in Nepomuk2::FileWatch::slotDeviceMounted (this=this@entry=0x840b8c8, entry=entry@entry=0x84ac16c) at ../../../services/filewatch/nepomukfilewatch.cpp:394
#19 0xb261e610 in Nepomuk2::FileWatch::addWatchesForMountedRemovableMedia (this=this@entry=0x840b8c8) at ../../../services/filewatch/nepomukfilewatch.cpp:335
#20 0xb261e95b in Nepomuk2::FileWatch::FileWatch (this=0x840b8c8, parent=0x83e8fd8) at ../../../services/filewatch/nepomukfilewatch.cpp:171
#21 0xb261f4fa in KPluginFactory::createInstance<Nepomuk2::FileWatch, QObject> (parentWidget=0x0, parent=0x83e8fd8, args=...) at /usr/include/KDE/../kpluginfactory.h:477
#22 0xb734f0ee in KPluginFactory::create(char const*, QWidget*, QObject*, QList<QVariant> const&, QString const&) () from /usr/lib/libkdecore.so.5
#23 0x0804c226 in create<Nepomuk2::Service> (args=..., keyword=..., parent=0x83e8fd8, parentWidget=0x0, this=<optimized out>) at /usr/include/kpluginfactory.h:531
#24 createInstance<Nepomuk2::Service> (error=0xbfebf494, args=..., parent=0x83e8fd8, parentWidget=0x0, this=0x83ea320) at /usr/include/KDE/../kservice.h:559
#25 createInstance<Nepomuk2::Service> (error=0xbfebf494, args=..., parent=0x83e8fd8, this=0x83ea320) at /usr/include/KDE/../kservice.h:536
#26 Nepomuk2::ServiceControl::start (this=this@entry=0x83e8fd8) at ../../servicestub/servicecontrol.cpp:92
#27 0x0804c8cc in qt_static_metacall (_a=0x83c75a8, _id=1, _o=0x83e8fd8, _c=<optimized out>) at ./servicecontrol.moc:62
#28 Nepomuk2::ServiceControl::qt_static_metacall (_o=0x83e8fd8, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x83c75a8) at ./servicecontrol.moc:55
#29 0xb761f9aa in QMetaCallEvent::placeMetaCall (this=0x83ca680, object=0x83e8fd8) at kernel/qobject.cpp:525
#30 0xb7623eeb in QObject::event (this=0x83e8fd8, e=0x83ca680) at kernel/qobject.cpp:1195
#31 0xb627139c in QApplicationPrivate::notify_helper (this=0x82c0790, receiver=0x83e8fd8, e=0x83ca680) at kernel/qapplication.cpp:4562
#32 0xb6275daf in QApplication::notify (this=0x83ca680, receiver=0x83e8fd8, e=0x83ca680) at kernel/qapplication.cpp:3944
#33 0xb6ef52b1 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#34 0xb760d78e in QCoreApplication::notifyInternal (this=0xbfebfd88, receiver=0x83e8fd8, event=0x83ca680) at kernel/qcoreapplication.cpp:915
#35 0xb761197d in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#36 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x829ba38) at kernel/qcoreapplication.cpp:1539
#37 0xb7611c0c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1432
#38 0xb763f804 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#39 postEventSourceDispatch (s=0x82c1280) at kernel/qeventdispatcher_glib.cpp:279
#40 0xb5da99e3 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#41 0xb5da9d80 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#42 0xb5da9e61 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#43 0xb763f981 in QEventDispatcherGlib::processEvents (this=0x829c800, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#44 0xb63279aa in QGuiEventDispatcherGlib::processEvents (this=0x829c800, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#45 0xb760c26c in QEventLoop::processEvents (this=this@entry=0xbfebfc68, flags=...) at kernel/qeventloop.cpp:149
#46 0xb760c561 in QEventLoop::exec (this=0xbfebfc68, flags=...) at kernel/qeventloop.cpp:204
#47 0xb7611cba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#48 0xb626efc4 in QApplication::exec () at kernel/qapplication.cpp:3823
#49 0x0804b27d in main (argc=2, argv=0xbfebff24) at ../../servicestub/main.cpp:177

This bug may be a duplicate of or related to bug 312423.

Possible duplicates by query: bug 312423, bug 292600, bug 276359.

Reported using DrKonqi