Application: kontact (4.4.2)
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-22-generic x86_64
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
Application had be running for about 1 hour, when Akonadi just stopped and reported
No Resource Agent found.  When I closed Kontact this crashed happend.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 1 (Thread 0x7ffbec3f5780 (LWP 9127))]

Thread 2 (Thread 0x7ffbc7c5c710 (LWP 9209)):
#0  0x00007ffbe94c7f53 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ffbe1ffd4a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007ffbe1ffd8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007ffbea8b2566 in QEventDispatcherGlib::processEvents (this=0x303d200, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#4  0x00007ffbea887992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007ffbea887d6c in QEventLoop::exec (this=0x7ffbc7c5bd90, flags=) at kernel/qeventloop.cpp:201
#6  0x00007ffbea791d59 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:487
#7  0x00007ffbea868178 in QInotifyFileSystemWatcherEngine::run (this=0x30d2860) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007ffbea794775 in QThreadPrivate::start (arg=0x30d2860) at thread/qthread_unix.cpp:248
#9  0x00007ffbe45739ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007ffbe94d469d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ffbec3f5780 (LWP 9127)):
[KCrash Handler]
#5  0x0000003c0000002b in ?? ()
#6  0x00007ffbea89ac6e in QObject::connect (sender=0x38d5bd0, signal=<value optimized out>, receiver=0x32696e0, method=0x7ffbd22d6f98 "1insertAddressBook( AddressBook * )", type=Qt::AutoConnection)
    at kernel/qobject.cpp:2550
#7  0x00007ffbd20faebf in RecipientsPicker (this=0x32696e0, parent=<value optimized out>) at ../../kmail/recipientspicker.cpp:414
#8  0x00007ffbd20edac8 in SideWidget::picker (this=0x2c0bb90) at ../../kmail/recipientseditor.cpp:778
#9  0x00007ffbd20eefeb in SideWidget::pickRecipient (this=0x32696e0) at ../../kmail/recipientseditor.cpp:850
#10 0x00007ffbd20f0664 in SideWidget::qt_metacall (this=0x2c0bb90, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff4ff9bfc0) at ./recipientseditor.moc:528
#11 0x00007ffbea89be3f in QMetaObject::activate (sender=0x2afdb90, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7ffbea92f280) at kernel/qobject.cpp:3293
#12 0x00007ffbea2dd5f2 in QAbstractButton::clicked (this=0x32696e0, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:206
#13 0x00007ffbe9ff786b in QAbstractButtonPrivate::emitClicked (this=0x344f870) at widgets/qabstractbutton.cpp:546
#14 0x00007ffbe9ff870b in QAbstractButtonPrivate::click (this=0x344f870) at widgets/qabstractbutton.cpp:539
#15 0x00007ffbe9ff897c in QAbstractButton::mouseReleaseEvent (this=0x2afdb90, e=0x7fff4ff9c910) at widgets/qabstractbutton.cpp:1121
#16 0x00007ffbe9c98582 in QWidget::event (this=0x2afdb90, event=0x7fff4ff9c910) at kernel/qwidget.cpp:7998
#17 0x00007ffbe9c4222c in QApplicationPrivate::notify_helper (this=0x21d5550, receiver=0x2afdb90, e=0x7fff4ff9c910) at kernel/qapplication.cpp:4300
#18 0x00007ffbe9c48ecb in QApplication::notify (this=0x7fff4ff9d620, receiver=0x2afdb90, e=0x7fff4ff9c910) at kernel/qapplication.cpp:3865
#19 0x00007ffbeb271526 in KApplication::notify (this=0x7fff4ff9d620, receiver=0x2afdb90, event=0x7fff4ff9c910) at ../../kdeui/kernel/kapplication.cpp:302
#20 0x00007ffbea88906c in QCoreApplication::notifyInternal (this=0x7fff4ff9d620, receiver=0x2afdb90, event=0x7fff4ff9c910) at kernel/qcoreapplication.cpp:704
#21 0x00007ffbe9c480ae in QCoreApplication::sendEvent (receiver=0x2afdb90, event=0x7fff4ff9c910, alienWidget=0x2afdb90, nativeWidget=0x3146e60, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#22 QApplicationPrivate::sendMouseEvent (receiver=0x2afdb90, event=0x7fff4ff9c910, alienWidget=0x2afdb90, nativeWidget=0x3146e60, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:2965
#23 0x00007ffbe9cc7f65 in QETWidget::translateMouseEvent (this=0x3146e60, event=<value optimized out>) at kernel/qapplication_x11.cpp:4368
#24 0x00007ffbe9cc68ac in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff4ff9d230) at kernel/qapplication_x11.cpp:3501
#25 0x00007ffbe9cf2882 in x11EventSourceDispatch (s=0x21e2ab0, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#26 0x00007ffbe1ff98c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#27 0x00007ffbe1ffd748 in ?? () from /lib/libglib-2.0.so.0
#28 0x00007ffbe1ffd8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#29 0x00007ffbea8b2513 in QEventDispatcherGlib::processEvents (this=0x21a5d70, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#30 0x00007ffbe9cf246e in QGuiEventDispatcherGlib::processEvents (this=0x32696e0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#31 0x00007ffbea887992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#32 0x00007ffbea887d6c in QEventLoop::exec (this=0x7fff4ff9d560, flags=) at kernel/qeventloop.cpp:201
#33 0x00007ffbea88baab in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#34 0x0000000000403e8e in main (argc=<value optimized out>, argv=<value optimized out>) at ../../../kontact/src/main.cpp:224

Reported using DrKonqi