.
Thread 3 (Thread 9763):
#0  0x00468422 in __kernel_vsyscall ()
#1  0x053059b1 in select () from /lib/tls/i686/cmov/libc.so.6
#2  0x01ad9af5 in ?? () from /usr/lib/libQtCore.so.4
#3  0x01a0ae22 in ?? () from /usr/lib/libQtCore.so.4
#4  0x0725180e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0x0530c81e in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 2 (Thread 18191):
#0  0x00468422 in __kernel_vsyscall ()
#1  0x07256142 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0x05319814 in pthread_cond_timedwait () from /lib/tls/i686/cmov/libc.so.6
#3  0x01a0bddf in QWaitCondition::wait(QMutex*, unsigned long) ()
   from /usr/lib/libQtCore.so.4
#4  0x01a009ae in ?? () from /usr/lib/libQtCore.so.4
#5  0x01a0ae22 in ?? () from /usr/lib/libQtCore.so.4
#6  0x0725180e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0x0530c81e in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 1 (Thread 9657):
#0  0x0057a0e1 in KCal::IncidenceBase::uid() const ()
   from /usr/lib/libkcal.so.4
#1  0x005aa808 in KCal::Calendar::removeRelations(KCal::Incidence*) ()
   from /usr/lib/libkcal.so.4
#2  0x005ae15c in KCal::CalendarLocal::deleteTodo(KCal::Todo*) ()
   from /usr/lib/libkcal.so.4
#3  0x023eeeba in ?? () from /usr/lib/kde4/kcal_akonadi.so
#4  0x0060c6d4 in KCal::CalendarResources::deleteTodo(KCal::Todo*) ()
   from /usr/lib/libkcal.so.4
#5  0x005aaf4e in KCal::Incidence::DeleteVisitor<KCal::Calendar>::visit(KCal::Todo*) () from /usr/lib/libkcal.so.4
#6  0x00585618 in ?? () from /usr/lib/libkcal.so.4
#7  0x005a3580 in KCal::Calendar::deleteIncidence(KCal::Incidence*) ()
   from /usr/lib/libkcal.so.4
#8  0x005f3e70 in KCal::DndFactory::cutIncidence(KCal::Incidence*) ()
   from /usr/lib/libkcal.so.4
#9  0x00c579fb in IncidenceChanger::cutIncidence(KCal::Incidence*) ()
   from /usr/lib/libkorganizerprivate.so.4
#10 0x00bb1d89 in CalendarView::edit_cut() ()
   from /usr/lib/libkorganizerprivate.so.4
#11 0x00bc0800 in CalendarView::qt_metacall(QMetaObject::Call, int, void**) ()
   from /usr/lib/libkorganizerprivate.so.4
#12 0x01b11253 in QMetaObject::activate(QObject*, int, int, void**) ()
   from /usr/lib/libQtCore.so.4
#13 0x01b116c8 in QMetaObject::activate(QObject*, QMetaObject const*, int, int, void**) () from /usr/lib/libQtCore.so.4
#14 0x00ebe9a1 in QAction::triggered(bool) () from /usr/lib/libQtGui.so.4
#15 0x00ebff22 in QAction::activate(QAction::ActionEvent) ()
   from /usr/lib/libQtGui.so.4
#16 0x00ec2a08 in QAction::event(QEvent*) () from /usr/lib/libQtGui.so.4
#17 0x007a3ce3 in KAction::event(QEvent*) () from /usr/lib/libkdeui.so.5
#18 0x00ec4f44 in QApplicationPrivate::notify_helper(QObject*, QEvent*) ()
   from /usr/lib/libQtGui.so.4
#19 0x00ecc66c in QApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/libQtGui.so.4
#20 0x0088af7a in KApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/libkdeui.so.5
#21 0x01afb6bb in QCoreApplication::notifyInternal(QObject*, QEvent*) ()
   from /usr/lib/libQtCore.so.4
#22 0x00efddcd in ?? () from /usr/lib/libQtGui.so.4
#23 0x00effc4e in ?? () from /usr/lib/libQtGui.so.4
#24 0x00ecd9fd in QApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/libQtGui.so.4
#25 0x0088af7a in KApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/libkdeui.so.5
#26 0x01afb6bb in QCoreApplication::notifyInternal(QObject*, QEvent*) ()
   from /usr/lib/libQtCore.so.4
#27 0x00ec5e1e in ?? () from /usr/lib/libQtGui.so.4
#28 0x00f62350 in ?? () from /usr/lib/libQtGui.so.4
#29 0x00f64879 in ?? () from /usr/lib/libQtGui.so.4
#30 0x00f38df7 in QApplication::x11ProcessEvent(_XEvent*) ()
   from /usr/lib/libQtGui.so.4
#31 0x00f663f2 in ?? () from /usr/lib/libQtGui.so.4
#32 0x01dbed78 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#33 0x01dc2620 in ?? () from /usr/lib/libglib-2.0.so.0
#34 0x01dc2753 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#35 0x01b2601c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#36 0x00f65ad5 in ?? () from /usr/lib/libQtGui.so.4
#37 0x01af9c69 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#38 0x01afa0ba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
   from /usr/lib/libQtCore.so.4
#39 0x01afc52f in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#40 0x00ec4dc7 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#41 0x0804ec24 in _start ()