Application: nepomukservicestub (0.2)
KDE Platform Version: 4.6.3 (4.6.3) (Compiled from sources)
Qt Version: 4.7.3
Operating System: Linux 2.6.39-gentoo x86_64

-- Information about the crash:
Just searching for a "printk" in linux -2.6 git local repository.
Each time.

The crash can be reproduced every time.

-- Backtrace:
Application: Nepomuk Service Stub (nepomukservicestub), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fde1dafb760 (LWP 5878))]

Thread 3 (Thread 0x7fde0d748700 (LWP 5880)):
#0  0x00007fde1d28899b in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007fde1d50e441 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/qt4/libQtCore.so.4
#2  0x00007fde1d502e67 in QThreadPoolThread::run() () from /usr/lib64/qt4/libQtCore.so.4
#3  0x00007fde1d50ddf5 in QThreadPrivate::start(void*) () from /usr/lib64/qt4/libQtCore.so.4
#4  0x00007fde1d283d4c in start_thread () from /lib64/libpthread.so.0
#5  0x00007fde1afdac5d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fde0cf47700 (LWP 5881)):
#0  0x00007fde1d28899b in pthread_cond_timedwait () from /lib64/libpthread.so.0
#1  0x00007fde1d50e441 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib64/qt4/libQtCore.so.4
#2  0x00007fde1d502e67 in QThreadPoolThread::run() () from /usr/lib64/qt4/libQtCore.so.4
#3  0x00007fde1d50ddf5 in QThreadPrivate::start(void*) () from /usr/lib64/qt4/libQtCore.so.4
#4  0x00007fde1d283d4c in start_thread () from /lib64/libpthread.so.0
#5  0x00007fde1afdac5d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fde1dafb760 (LWP 5878)):
[KCrash Handler]
#6  0x00007fde141241d0 in Nepomuk::Query::Result::Result(Nepomuk::Query::Result const&) () from /usr/lib64/libnepomukquery.so.4
#7  0x00007fde0d752afa in QList<Nepomuk::Query::Result>::append(Nepomuk::Query::Result const&) () from /usr/lib64/kde4/nepomukqueryservice.so
#8  0x00007fde0d752b98 in QSet<Nepomuk::Query::Result>::toList() const () from /usr/lib64/kde4/nepomukqueryservice.so
#9  0x00007fde0d75198d in Nepomuk::Query::Folder::entries() const () from /usr/lib64/kde4/nepomukqueryservice.so
#10 0x00007fde0d75358f in Nepomuk::Query::FolderConnection::list() () from /usr/lib64/kde4/nepomukqueryservice.so
#11 0x00007fde0d755420 in QueryAdaptor::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib64/kde4/nepomukqueryservice.so
#12 0x00007fde1d026b5a in QDBusConnectionPrivate::deliverCall(QObject*, int, QDBusMessage const&, QList<int> const&, int) () from /usr/lib64/qt4/libQtDBus.so.4
#13 0x00007fde1d027c7d in QDBusConnectionPrivate::activateCall(QObject*, int, QDBusMessage const&) () from /usr/lib64/qt4/libQtDBus.so.4
#14 0x00007fde1d0284de in QDBusConnectionPrivate::activateObject(QDBusConnectionPrivate::ObjectTreeNode&, QDBusMessage const&, int) () from /usr/lib64/qt4/libQtDBus.so.4
#15 0x00007fde1d028708 in QDBusActivateObjectEvent::placeMetaCall(QObject*) () from /usr/lib64/qt4/libQtDBus.so.4
#16 0x00007fde1d60a03a in QObject::event(QEvent*) () from /usr/lib64/qt4/libQtCore.so.4
#17 0x00007fde1b74d5a4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#18 0x00007fde1b75212a in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#19 0x00007fde1c7103e6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#20 0x00007fde1d5f5e5b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib64/qt4/libQtCore.so.4
#21 0x00007fde1d5f9614 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib64/qt4/libQtCore.so.4
#22 0x00007fde1d620be3 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /usr/lib64/qt4/libQtCore.so.4
#23 0x00007fde1a8206ae in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#24 0x00007fde1a820e98 in g_main_context_iterate.clone.6 () from /usr/lib64/libglib-2.0.so.0
#25 0x00007fde1a82112d in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#26 0x00007fde1d620d7f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#27 0x00007fde1b7f299e in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtGui.so.4
#28 0x00007fde1d5f5222 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#29 0x00007fde1d5f5464 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/qt4/libQtCore.so.4
#30 0x00007fde1d5f98cb in QCoreApplication::exec() () from /usr/lib64/qt4/libQtCore.so.4
#31 0x0000000000403c82 in main ()

Reported using DrKonqi