Application: kontact (4.4.6)
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-25-generic x86_64
Distribution: Ubuntu 10.10

-- Information about the crash:
- What I was doing when the application crashed:
menuaction=calendar.calendar_uiforms.edit&cal_id=1903&date=20110207&no_popup=1 ....
was sent by  eGroupWare Version 1.6.002 via calendar
appropriate action (answer) crashed Kontact

The crash can be reproduced every time.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f9b7b470780 (LWP 12945))]

Thread 2 (Thread 0x7f9b66878700 (LWP 12946)):
#0  0x00007f9b784a5203 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f9b71218009 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f9b712187b5 in g_main_loop_run () from /lib/libglib-2.0.so.0
#3  0x00007f9b66faf0f4 in ?? () from /usr/lib/libgio-2.0.so.0
#4  0x00007f9b7123d7e4 in ?? () from /lib/libglib-2.0.so.0
#5  0x00007f9b735a7971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#6  0x00007f9b784b192d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f9b7b470780 (LWP 12945)):
[KCrash Handler]
#6  KCal::Attendee::setStatus (this=0x0, status=KCal::Attendee::Delegated) at ../../kcal/attendee.cpp:119
#7  0x00007f9b4a46bbc3 in (anonymous namespace)::UrlHandler::handleInvitation (this=0x2d0ae20, iCal=<value optimized out>, status=<value optimized out>, callback=...) at ../../../../plugins/kmail/bodypartformatter/text_calendar.cpp:528
#8  0x00007f9b4a46cfd7 in (anonymous namespace)::UrlHandler::handleClick (this=<value optimized out>, part=<value optimized out>, path=..., c=<value optimized out>) at ../../../../plugins/kmail/bodypartformatter/text_calendar.cpp:728
#9  0x00007f9b51fcf5d8 in KMail::URLHandlerManager::BodyPartURLHandlerManager::handleClick (this=0x2d0a7a0, url=<value optimized out>, w=<value optimized out>) at ../../kmail/urlhandlermanager.cpp:237
#10 0x00007f9b51fccf55 in KMail::URLHandlerManager::handleClick (this=0x2d0b780, url=..., w=0x2346b10) at ../../kmail/urlhandlermanager.cpp:317
#11 0x00007f9b51d94236 in KMReaderWin::slotUrlOpen (this=0x2346b10, aUrl=...) at ../../kmail/kmreaderwin.cpp:1980
#12 0x00007f9b51d9805d in KMReaderWin::qt_metacall (this=0x2346b10, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x299bdc0) at ./kmreaderwin.moc:188
#13 0x00007f9b78bcebde in QObject::event (this=0x2346b10, e=0x0) at kernel/qobject.cpp:1219
#14 0x00007f9b795c86df in QWidget::event (this=0x2346b10, event=0x26b5e70) at kernel/qwidget.cpp:8646
#15 0x00007f9b79572fdc in QApplicationPrivate::notify_helper (this=0x1df4ed0, receiver=0x2346b10, e=0x26b5e70) at kernel/qapplication.cpp:4396
#16 0x00007f9b79578aed in QApplication::notify (this=0x7fff44480690, receiver=0x2346b10, e=0x26b5e70) at kernel/qapplication.cpp:4277
#17 0x00007f9b7a2c5156 in KApplication::notify (this=0x7fff44480690, receiver=0x2346b10, event=0x26b5e70) at ../../kdeui/kernel/kapplication.cpp:310
#18 0x00007f9b78bbccdc in QCoreApplication::notifyInternal (this=0x7fff44480690, receiver=0x2346b10, event=0x26b5e70) at kernel/qcoreapplication.cpp:732
#19 0x00007f9b78bbfc22 in sendEvent (receiver=0x0, event_type=<value optimized out>, data=0x1dc8380) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value optimized out>, data=0x1dc8380) at kernel/qcoreapplication.cpp:1373
#21 0x00007f9b78be9653 in sendPostedEvents (s=0x1dfb120) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#22 postEventSourceDispatch (s=0x1dfb120) at kernel/qeventdispatcher_glib.cpp:277
#23 0x00007f9b71214342 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#24 0x00007f9b712182a8 in ?? () from /lib/libglib-2.0.so.0
#25 0x00007f9b7121845c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#26 0x00007f9b78be9193 in QEventDispatcherGlib::processEvents (this=0x1dc7e90, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#27 0x00007f9b79625a4e in QGuiEventDispatcherGlib::processEvents (this=0x0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#28 0x00007f9b78bbba02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#29 0x00007f9b78bbbdec in QEventLoop::exec (this=0x7fff444805d0, flags=) at kernel/qeventloop.cpp:201
#30 0x00007f9b78bbfebb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#31 0x0000000000403b4e in main (argc=<value optimized out>, argv=<value optimized out>) at ../../../kontact/src/main.cpp:224

Reported using DrKonqi