Application: kontact (4.7.2)
KDE Platform Version: 4.7.1 (4.7.1)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
KMail (KDE 4.7.2, Kubuntu 11.10, 64 bit) has crashed on KDE shutdown.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f3b2598e7a0 (LWP 1954))]

Thread 4 (Thread 0x7f3b0bbaf700 (LWP 1955)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f3b221f1c2c in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f3b221f1d59 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f3b1d5f2efc in start_thread (arg=0x7f3b0bbaf700) at pthread_create.c:304
#4  0x00007f3b22eff89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f3b0b296700 (LWP 1956)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007f3b0b295b20 in ?? ()
#2  0x00007fffe7cb27e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 2 (Thread 0x7f3abaffc700 (LWP 2024)):
#0  0x00007f3b22ef3773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f3b1cb24f68 in g_main_context_poll (n_fds=1, fds=0x26a6020, timeout=-1, context=0x2929cf0, priority=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3402
#2  g_main_context_iterate (context=0x2929cf0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3084
#3  0x00007f3b1cb25429 in g_main_context_iteration (context=0x2929cf0, may_block=1) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3152
#4  0x00007f3b2433af3e in QEventDispatcherGlib::processEvents (this=0x296edb0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f3b2430ecf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f3b2430eef7 in QEventLoop::exec (this=0x7f3abaffbdb0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007f3b2422627f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007f3b242f1cbf in QInotifyFileSystemWatcherEngine::run (this=0x28ef060) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f3b24228d05 in QThreadPrivate::start (arg=0x28ef060) at thread/qthread_unix.cpp:331
#10 0x00007f3b1d5f2efc in start_thread (arg=0x7f3abaffc700) at pthread_create.c:304
#11 0x00007f3b22eff89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f3b2598e7a0 (LWP 1954)):
[KCrash Handler]
#6  isSignalConnected (signal_index=7, this=0x0) at kernel/qobject_p.h:221
#7  QMetaObject::activate (sender=0xf46de90, m=<optimized out>, local_signal_index=4, argv=0x7fffe7c18760) at kernel/qobject.cpp:3201
#8  0x00007f3ab6e804e2 in Akregator::Frame::signalCompleted(Akregator::Frame*) () from /usr/lib/libakregatorprivate.so.4
#9  0x00007f3ab6e80509 in Akregator::Frame::slotSetState(Akregator::Frame::State) () from /usr/lib/libakregatorprivate.so.4
#10 0x00007f3ab7326626 in Akregator::MainWidget::slotFetchingStopped() () from /usr/lib/kde4/akregatorpart.so
#11 0x00007f3ab732b073 in Akregator::MainWidget::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/kde4/akregatorpart.so
#12 0x00007f3b24322eba in QMetaObject::activate (sender=0x29b78d0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#13 0x00007f3ab6e7f993 in Akregator::FetchQueue::slotAbort() () from /usr/lib/libakregatorprivate.so.4
#14 0x00007f3ab6e7fb74 in Akregator::FetchQueue::~FetchQueue() () from /usr/lib/libakregatorprivate.so.4
#15 0x00007f3ab6e7fbe9 in Akregator::FetchQueue::~FetchQueue() () from /usr/lib/libakregatorprivate.so.4
#16 0x00007f3ab6e7e31d in Akregator::Kernel::~Kernel() () from /usr/lib/libakregatorprivate.so.4
#17 0x00007f3b22e59821 in __run_exit_handlers (status=1, listp=0x7f3b231b65a8, run_list_atexit=true) at exit.c:78
#18 0x00007f3b22e598a5 in __GI_exit (status=<optimized out>) at exit.c:100
#19 0x00007f3b1f091cfa in ?? () from /usr/lib/x86_64-linux-gnu/libICE.so.6
#20 0x00007f3b1f098a44 in _IceRead () from /usr/lib/x86_64-linux-gnu/libICE.so.6
#21 0x00007f3b1f09cc01 in IceProcessMessages () from /usr/lib/x86_64-linux-gnu/libICE.so.6
#22 0x00007f3b2372de9f in QSmSocketReceiver::qt_metacall (this=0x18010d0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffe7c18b30) at .moc/release-shared/qapplication_x11.moc:71
#23 0x00007f3b24322eba in QMetaObject::activate (sender=0x1845b10, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffe7c18b30) at kernel/qobject.cpp:3278
#24 0x00007f3b2436c51e in QSocketNotifier::activated (this=<optimized out>, _t1=8) at .moc/release-shared/moc_qsocketnotifier.cpp:89
#25 0x00007f3b2432ab6b in QSocketNotifier::event (this=0x1845b10, e=0x7fffe7c19010) at kernel/qsocketnotifier.cpp:317
#26 0x00007f3b236c0424 in notify_helper (e=0x7fffe7c19010, receiver=0x1845b10, this=0x17ad630) at kernel/qapplication.cpp:4486
#27 QApplicationPrivate::notify_helper (this=0x17ad630, receiver=0x1845b10, e=0x7fffe7c19010) at kernel/qapplication.cpp:4458
#28 0x00007f3b236c5291 in QApplication::notify (this=0x7fffe7c19450, receiver=0x1845b10, e=0x7fffe7c19010) at kernel/qapplication.cpp:4365
#29 0x00007f3b24d451e6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#30 0x00007f3b2430fafc in QCoreApplication::notifyInternal (this=0x7fffe7c19450, receiver=0x1845b10, event=0x7fffe7c19010) at kernel/qcoreapplication.cpp:787
#31 0x00007f3b2433a5b7 in sendEvent (event=0x7fffe7c19010, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#32 socketNotifierSourceDispatch (source=0x17af7d0) at kernel/qeventdispatcher_glib.cpp:110
#33 0x00007f3b1cb24a5d in g_main_dispatch (context=0x17af6e0) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:2441
#34 g_main_context_dispatch (context=0x17af6e0) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3011
#35 0x00007f3b1cb25258 in g_main_context_iterate (context=0x17af6e0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3089
#36 0x00007f3b1cb25429 in g_main_context_iteration (context=0x17af6e0, may_block=1) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3152
#37 0x00007f3b2433aed6 in QEventDispatcherGlib::processEvents (this=0x176dfd0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#38 0x00007f3b2376807e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#39 0x00007f3b2430ecf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#40 0x00007f3b2430eef7 in QEventLoop::exec (this=0x7fffe7c19250, flags=...) at kernel/qeventloop.cpp:201
#41 0x00007f3b24774ff6 in KJob::exec() () from /usr/lib/libkdecore.so.5
#42 0x00007f3ac2ef4018 in KMKernel::cleanup() () from /usr/lib/libkmailprivate.so.4
#43 0x00007f3ac325d642 in ?? () from /usr/lib/kde4/kmailpart.so
#44 0x00007f3ac325d749 in ?? () from /usr/lib/kde4/kmailpart.so
#45 0x00007f3b2518732e in KontactInterface::Plugin::~Plugin() () from /usr/lib/libkontactinterface.so.4
#46 0x00007f3b0824fb1f in ?? () from /usr/lib/kde4/kontact_kmailplugin.so
#47 0x00007f3b0824fb49 in ?? () from /usr/lib/kde4/kontact_kmailplugin.so
#48 0x00007f3b255bc577 in Kontact::MainWindow::~MainWindow() () from /usr/lib/libkontactprivate.so.4
#49 0x00007f3b255bc6d9 in Kontact::MainWindow::~MainWindow() () from /usr/lib/libkontactprivate.so.4
#50 0x000000000040366e in ?? ()
#51 0x00007f3b22e3f30d in __libc_start_main (main=0x402b40, argc=1, ubp_av=0x7fffe7c19a78, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffe7c19a68) at libc-start.c:226
#52 0x0000000000403b71 in _start ()

Reported using DrKonqi