Since I configured nepomuk after a fresh install of Kubungu 13.04 (with new database) I see Nepomuk indexer crash shortly after each kde login with Segmentation fault. In the beginning it didn't show any debuging information but since the latest package update it shows at least a little. I installed all packages proposed by the report generator and paste here what I get (still qualified as insufficient by the report generator; let me know how I can generate better debugging information if possible):


Application: nepomukservicestub (0.1.0)
KDE Platform Version: 4.10.5
Qt Version: 4.8.4
Operating System: Linux 3.8.0-26-generic x86_64
Distribution: Ubuntu 13.04

-- Information about the crash:
<In detail, tell us what you were doing  when the application crashed.>

-- Backtrace:
Application: Nepomuk Service Stub (nepomukservicestub), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f92bc9d47c0 (LWP 2372))]

Thread 11 (Thread 0x7f92a472d700 (LWP 2480)):
#0  0x00007f92ba013233 in select () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f92bc46d132 in QProcessManager::run (this=0x7f92bc7ec540 <processManager()::processManager>) at io/qprocess_unix.cpp:245
#2  0x00007f92bc391bec in QThreadPrivate::start (arg=0x7f92bc7ec540 <processManager()::processManager>) at thread/qthread_unix.cpp:338
#3  0x00007f92b9d0bf8e in start_thread (arg=0x7f92a472d700) at pthread_create.c:311
#4  0x00007f92ba01ae1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 10 (Thread 0x7f9280f8e700 (LWP 3732)):
#0  0x00007f92b967535c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f92b96755e9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f92b96358f3 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f92b96360fe in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f92b9636304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f92bc4bd036 in QEventDispatcherGlib::processEvents (this=0x7f92600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f92bc48d38f in QEventLoop::processEvents (this=this@entry=0x7f9280f8dd70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f92bc48d618 in QEventLoop::exec (this=this@entry=0x7f9280f8dd70, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f92bc38f410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007f92ab38befe in ?? () from /usr/lib/libsopranoserver.so.1
#10 0x00007f92bc391bec in QThreadPrivate::start (arg=0xe41b90) at thread/qthread_unix.cpp:338
#11 0x00007f92b9d0bf8e in start_thread (arg=0x7f9280f8e700) at pthread_create.c:311
#12 0x00007f92ba01ae1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 9 (Thread 0x7f926bfff700 (LWP 3733)):
#0  __GI___pthread_mutex_unlock (mutex=0x7f925c003780) at pthread_mutex_unlock.c:297
#1  0x00007f92b96755f1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f92b96361d1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f92b9636304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f92bc4bd036 in QEventDispatcherGlib::processEvents (this=0x7f925c003550, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f92bc48d38f in QEventLoop::processEvents (this=this@entry=0x7f926bffed70, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f92bc48d618 in QEventLoop::exec (this=this@entry=0x7f926bffed70, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f92bc38f410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#8  0x00007f92ab38befe in ?? () from /usr/lib/libsopranoserver.so.1
#9  0x00007f92bc391bec in QThreadPrivate::start (arg=0xf5c2e0) at thread/qthread_unix.cpp:338
#10 0x00007f92b9d0bf8e in start_thread (arg=0x7f926bfff700) at pthread_create.c:311
#11 0x00007f92ba01ae1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 8 (Thread 0x7f926affd700 (LWP 3735)):
#0  __GI___pthread_mutex_lock (mutex=0x7f9264000a60) at pthread_mutex_lock.c:50
#1  0x00007f92b96755c1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f92b9635de6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f92b9636248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f92b9636304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f92bc4bd036 in QEventDispatcherGlib::processEvents (this=0x7f92640008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f92bc48d38f in QEventLoop::processEvents (this=this@entry=0x7f926affcd70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f92bc48d618 in QEventLoop::exec (this=this@entry=0x7f926affcd70, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f92bc38f410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007f92ab38befe in ?? () from /usr/lib/libsopranoserver.so.1
#10 0x00007f92bc391bec in QThreadPrivate::start (arg=0xe8f6f0) at thread/qthread_unix.cpp:338
#11 0x00007f92b9d0bf8e in start_thread (arg=0x7f926affd700) at pthread_create.c:311
#12 0x00007f92ba01ae1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 7 (Thread 0x7f926a7fc700 (LWP 3736)):
#0  0x00007f92ba00cb0d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f92b96746cf in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f92b9635d3c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f92b9636175 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f92b9636304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f92bc4bd036 in QEventDispatcherGlib::processEvents (this=0x7f9270002de0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f92bc48d38f in QEventLoop::processEvents (this=this@entry=0x7f926a7fbd70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f92bc48d618 in QEventLoop::exec (this=this@entry=0x7f926a7fbd70, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f92bc38f410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007f92ab38befe in ?? () from /usr/lib/libsopranoserver.so.1
#10 0x00007f92bc391bec in QThreadPrivate::start (arg=0x125dc00) at thread/qthread_unix.cpp:338
#11 0x00007f92b9d0bf8e in start_thread (arg=0x7f926a7fc700) at pthread_create.c:311
#12 0x00007f92ba01ae1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 6 (Thread 0x7f9269ffb700 (LWP 3737)):
#0  0x00007f92b9635c0f in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f92b9636175 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f92b9636304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f92bc4bd036 in QEventDispatcherGlib::processEvents (this=0x7f9254003040, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f92bc48d38f in QEventLoop::processEvents (this=this@entry=0x7f9269ffad70, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f92bc48d618 in QEventLoop::exec (this=this@entry=0x7f9269ffad70, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f92bc38f410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#7  0x00007f92ab38befe in ?? () from /usr/lib/libsopranoserver.so.1
#8  0x00007f92bc391bec in QThreadPrivate::start (arg=0x125e360) at thread/qthread_unix.cpp:338
#9  0x00007f92b9d0bf8e in start_thread (arg=0x7f9269ffb700) at pthread_create.c:311
#10 0x00007f92ba01ae1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7f928178f700 (LWP 3740)):
#0  clock_gettime (clock_id=1, tp=0x7f928178ead0) at ../sysdeps/unix/clock_gettime.c:93
#1  0x00007f92bc3e7a74 in do_gettime (frac=0x7f928178eab8, sec=0x7f928178eab0) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x00007f92bc4bd9ed in QTimerInfoList::updateCurrentTime (this=this@entry=0x7f9258001330) at kernel/qeventdispatcher_unix.cpp:354
#4  0x00007f92bc4bdd33 in QTimerInfoList::timerWait (this=0x7f9258001330, tm=...) at kernel/qeventdispatcher_unix.cpp:461
#5  0x00007f92bc4bc79c in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7f928178eba4) at kernel/qeventdispatcher_glib.cpp:136
#6  0x00007f92bc4bc845 in timerSourcePrepare (source=<optimized out>, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x00007f92b9635900 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f92b96360fe in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f92b9636304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f92bc4bd036 in QEventDispatcherGlib::processEvents (this=0x7f92580008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#11 0x00007f92bc48d38f in QEventLoop::processEvents (this=this@entry=0x7f928178ed70, flags=...) at kernel/qeventloop.cpp:149
#12 0x00007f92bc48d618 in QEventLoop::exec (this=this@entry=0x7f928178ed70, flags=...) at kernel/qeventloop.cpp:204
#13 0x00007f92bc38f410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#14 0x00007f92ab38befe in ?? () from /usr/lib/libsopranoserver.so.1
#15 0x00007f92bc391bec in QThreadPrivate::start (arg=0xe367e0) at thread/qthread_unix.cpp:338
#16 0x00007f92b9d0bf8e in start_thread (arg=0x7f928178f700) at pthread_create.c:311
#17 0x00007f92ba01ae1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7f926b7fe700 (LWP 3742)):
#0  0x00007f92b9675359 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f92b96755e9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f92b9635c61 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f92b9636175 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f92b9636304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f92bc4bd036 in QEventDispatcherGlib::processEvents (this=0x7f924c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f92bc48d38f in QEventLoop::processEvents (this=this@entry=0x7f926b7fdd70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f92bc48d618 in QEventLoop::exec (this=this@entry=0x7f926b7fdd70, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f92bc38f410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007f92ab38befe in ?? () from /usr/lib/libsopranoserver.so.1
#10 0x00007f92bc391bec in QThreadPrivate::start (arg=0xf73880) at thread/qthread_unix.cpp:338
#11 0x00007f92b9d0bf8e in start_thread (arg=0x7f926b7fe700) at pthread_create.c:311
#12 0x00007f92ba01ae1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f9281f90700 (LWP 3753)):
#0  0x00007f92b9675359 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f92b96755e9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f92b96358f3 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f92b96360fe in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f92b9636304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f92bc4bd036 in QEventDispatcherGlib::processEvents (this=0x7f92500008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f92bc48d38f in QEventLoop::processEvents (this=this@entry=0x7f9281f8fd70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f92bc48d618 in QEventLoop::exec (this=this@entry=0x7f9281f8fd70, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f92bc38f410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#9  0x00007f92ab38befe in ?? () from /usr/lib/libsopranoserver.so.1
#10 0x00007f92bc391bec in QThreadPrivate::start (arg=0x1273200) at thread/qthread_unix.cpp:338
#11 0x00007f92b9d0bf8e in start_thread (arg=0x7f9281f90700) at pthread_create.c:311
#12 0x00007f92ba01ae1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f9268ff9700 (LWP 3801)):
[KCrash Handler]
#5  QMutex::lock (this=0x2800001008) at thread/qmutex.cpp:150
#6  0x00007f92b6b8917b in Soprano::Error::ErrorCache::setError(Soprano::Error::Error const&) const () from /usr/lib/libsoprano.so.4
#7  0x00007f92a50d4031 in ?? () from /usr/lib/soprano/libsoprano_virtuosobackend.so
#8  0x00007f92a50d447b in ?? () from /usr/lib/soprano/libsoprano_virtuosobackend.so
#9  0x00007f92a50c507c in ?? () from /usr/lib/soprano/libsoprano_virtuosobackend.so
#10 0x00007f92a50c6461 in ?? () from /usr/lib/soprano/libsoprano_virtuosobackend.so
#11 0x00007f92b6b952f7 in Soprano::FilterModel::executeQuery(QString const&, Soprano::Query::QueryLanguage, QString const&) const () from /usr/lib/libsoprano.so.4
#12 0x00007f92ab610298 in Nepomuk2::VirtuosoInferenceModel::executeQuery (this=0xd94a60, query=..., language=<optimized out>, userQueryLanguage=...) at ../../../services/storage/virtuosoinferencemodel.cpp:61
#13 0x00007f92b6b952f7 in Soprano::FilterModel::executeQuery(QString const&, Soprano::Query::QueryLanguage, QString const&) const () from /usr/lib/libsoprano.so.4
#14 0x00007f92b6b952f7 in Soprano::FilterModel::executeQuery(QString const&, Soprano::Query::QueryLanguage, QString const&) const () from /usr/lib/libsoprano.so.4
#15 0x00007f92ab38bcc5 in ?? () from /usr/lib/libsopranoserver.so.1
#16 0x00007f92ab38d08d in ?? () from /usr/lib/libsopranoserver.so.1
#17 0x00007f92bc4a30ef in QMetaObject::activate (sender=0x7f92480013e0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#18 0x00007f92bc4a30ef in QMetaObject::activate (sender=sender@entry=0x7f9248002928, m=m@entry=0x7f92bc7e8480 <QIODevice::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#19 0x00007f92bc4ed090 in QIODevice::readyRead (this=this@entry=0x7f9248002928) at .moc/release-shared/moc_qiodevice.cpp:105
#20 0x00007f92b87c62ac in QAbstractSocketPrivate::canReadNotification (this=0x7f9248015d60) at socket/qabstractsocket.cpp:654
#21 0x00007f92b87d0e2d in event (this=<optimized out>, e=<optimized out>) at socket/qnativesocketengine.cpp:1151
#22 QReadNotifier::event (this=<optimized out>, e=<optimized out>) at socket/qnativesocketengine.cpp:1148
#23 0x00007f92ba7b78ec in QApplicationPrivate::notify_helper (this=this@entry=0xce3930, receiver=receiver@entry=0x7f9248002bf0, e=e@entry=0x7f9268ff8b50) at kernel/qapplication.cpp:4567
#24 0x00007f92ba7ba25b in QApplication::notify (this=0x7fff8003dfd0, receiver=0x7f9248002bf0, e=0x7f9268ff8b50) at kernel/qapplication.cpp:4428
#25 0x00007f92bb7c11a6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#26 0x00007f92bc48e63e in QCoreApplication::notifyInternal (this=0x7fff8003dfd0, receiver=0x7f9248002bf0, event=event@entry=0x7f9268ff8b50) at kernel/qcoreapplication.cpp:946
#27 0x00007f92bc4bd5c8 in sendEvent (event=0x7f9268ff8b50, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#28 socketNotifierSourceDispatch (source=0x7f9248002600) at kernel/qeventdispatcher_glib.cpp:110
#29 0x00007f92b9635f05 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f92b9636248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f92b9636304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f92bc4bd036 in QEventDispatcherGlib::processEvents (this=0x7f9248015350, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#33 0x00007f92bc48d38f in QEventLoop::processEvents (this=this@entry=0x7f9268ff8d70, flags=...) at kernel/qeventloop.cpp:149
#34 0x00007f92bc48d618 in QEventLoop::exec (this=this@entry=0x7f9268ff8d70, flags=...) at kernel/qeventloop.cpp:204
#35 0x00007f92bc38f410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#36 0x00007f92ab38befe in ?? () from /usr/lib/libsopranoserver.so.1
#37 0x00007f92bc391bec in QThreadPrivate::start (arg=0xf7c740) at thread/qthread_unix.cpp:338
#38 0x00007f92b9d0bf8e in start_thread (arg=0x7f9268ff9700) at pthread_create.c:311
#39 0x00007f92ba01ae1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f92bc9d47c0 (LWP 2372)):
#0  0x00007f92ba013233 in select () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f92bc4ba4f3 in qt_safe_select (nfds=15, fdread=0x7fff8003ca10, fdwrite=0x7fff8003ca90, fdexcept=fdexcept@entry=0x0, orig_timeout=orig_timeout@entry=0x0) at kernel/qcore_unix.cpp:83
#2  0x00007f92bc468bd2 in select_msecs (fdwrite=<optimized out>, fdread=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at io/qprocess_unix.cpp:1006
#3  select_msecs (nfds=<optimized out>, fdread=<optimized out>, fdwrite=<optimized out>, timeout=<optimized out>) at io/qprocess_unix.cpp:1003
#4  0x00007f92bc469c0b in QProcessPrivate::waitForReadyRead (this=0xd923f0, msecs=-1) at io/qprocess_unix.cpp:1087
#5  0x00007f92a50cb42d in ?? () from /usr/lib/soprano/libsoprano_virtuosobackend.so
#6  0x00007f92a50cde53 in ?? () from /usr/lib/soprano/libsoprano_virtuosobackend.so
#7  0x00007f92a50c9b09 in ?? () from /usr/lib/soprano/libsoprano_virtuosobackend.so
#8  0x00007f92ab5c2575 in Nepomuk2::Repository::open (this=0xd4ce70) at ../../../services/storage/repository.cpp:187
#9  0x00007f92ab5c372f in Nepomuk2::Repository::slotVirtuosoStopped (this=0xd4ce70, normalExit=16) at ../../../services/storage/repository.cpp:439
#10 0x00007f92bc4a30ef in QMetaObject::activate (sender=0xf37f00, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff8003d4b0) at kernel/qobject.cpp:3539
#11 0x00007f92a50c660f in ?? () from /usr/lib/soprano/libsoprano_virtuosobackend.so
#12 0x00007f92bc4a85be in QObject::event (this=0xf37f00, e=<optimized out>) at kernel/qobject.cpp:1194
#13 0x00007f92ba7b78ec in QApplicationPrivate::notify_helper (this=this@entry=0xce3930, receiver=receiver@entry=0xf37f00, e=e@entry=0xf7ca10) at kernel/qapplication.cpp:4567
#14 0x00007f92ba7ba25b in QApplication::notify (this=0x7fff8003dfd0, receiver=0xf37f00, e=0xf7ca10) at kernel/qapplication.cpp:4428
#15 0x00007f92bb7c11a6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#16 0x00007f92bc48e63e in QCoreApplication::notifyInternal (this=0x7fff8003dfd0, receiver=receiver@entry=0xf37f00, event=event@entry=0xf7ca10) at kernel/qcoreapplication.cpp:946
#17 0x00007f92bc492171 in sendEvent (event=0xf7ca10, receiver=0xf37f00) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#18 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xcb4190) at kernel/qcoreapplication.cpp:1570
#19 0x00007f92bc4924a3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#20 0x00007f92bc4bce83 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#21 postEventSourceDispatch (s=0xcdb3a0) at kernel/qeventdispatcher_glib.cpp:279
#22 0x00007f92b9635f05 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f92b9636248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f92b9636304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f92bc4bd016 in QEventDispatcherGlib::processEvents (this=0xcde820, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#26 0x00007f92ba85d1ae in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#27 0x00007f92bc48d38f in QEventLoop::processEvents (this=this@entry=0x7fff8003ddb0, flags=...) at kernel/qeventloop.cpp:149
#28 0x00007f92bc48d618 in QEventLoop::exec (this=this@entry=0x7fff8003ddb0, flags=...) at kernel/qeventloop.cpp:204
#29 0x00007f92bc492cf6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#30 0x00007f92ba7b5ffc in QApplication::exec () at kernel/qapplication.cpp:3828
#31 0x0000000000403e70 in main (argc=<optimized out>, argv=0x7fff8003e218) at ../../servicestub/main.cpp:180

Reproducible: Always

Steps to Reproduce:
1. Make a fresh install of Kubuntu 13.04
2. Copy your files and configure Nepomuk
3. Restart and login to KDE
Actual Results:  
Nepomuk starts indexing but crashes after a while with Segfault. It continues if I choose 'Restart Application' and does not crash again. However it does not seem to index all my files. The automatic bug report generates insufficient debugging information.

Expected Results:  
Nepomuk continues indexing all files.