Application that crashed: kontact
Version of the application: 4.3.1
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.30-gentoo-r6 i686

What I was doing when the application crashed:
I've tried to reload my akonadi resources with the popup menu corresponding to the resource.
The crash has occured.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[Current thread is 0 (LWP 8641)]

Thread 2 (Thread 0xae1a2b70 (LWP 9101)):
#0  0xb80b8424 in __kernel_vsyscall ()
#1  0x4f48dae1 in select () from /lib/libc.so.6
#2  0x4125bbf2 in QProcessManager::run (this=) at io/qprocess_unix.cpp:296
#3  0x4119152a in QThreadPrivate::start (arg=0x9e3dbf8) at thread/qthread_unix.cpp:188
#4  0x4f543450 in start_thread (arg=0xae1a2b70) at pthread_create.c:297
#5  0x4f494a2e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb664a700 (LWP 8641)):
[KCrash Handler]
#6  0x0804e270 in QString::shared_null ()
#7  0xad75aeba in KOrg::IncidenceMonthItem::realStartDate (this=0xc25b970) at /var/tmp/portage/kde-base/korganizer-4.3.1/work/korganizer-4.3.1/korganizer/views/monthview/monthitem.cpp:315
#8  0xad7583ae in KOrg::MonthView::reloadIncidences (this=0xd295c00) at /var/tmp/portage/kde-base/korganizer-4.3.1/work/korganizer-4.3.1/korganizer/views/monthview/monthview.cpp:325
#9  0xad759676 in KOrg::MonthView::setStartDate (this=0xd295c00, start=@0xbfc76f9c) at /var/tmp/portage/kde-base/korganizer-4.3.1/work/korganizer-4.3.1/korganizer/views/monthview/monthview.cpp:291
#10 0xad7596f3 in KOrg::MonthView::showDates (this=0xd295c00, start=@0xab0638c, end=@0xab063a4)
    at /var/tmp/portage/kde-base/korganizer-4.3.1/work/korganizer-4.3.1/korganizer/views/monthview/monthview.cpp:278
#11 0xad7a560a in KOViewManager::updateView (this=0xd1f9588, start=@0xab0638c, end=@0xab063a4) at /var/tmp/portage/kde-base/korganizer-4.3.1/work/korganizer-4.3.1/korganizer/koviewmanager.cpp:215
#12 0xad792cab in CalendarView::updateView (this=0xce61eb8, start=@0xab0638c, end=@0xab063a4, updateTodos=true)
    at /var/tmp/portage/kde-base/korganizer-4.3.1/work/korganizer-4.3.1/korganizer/calendarview.cpp:801
#13 0xad794a9a in CalendarView::updateView (this=0xce61eb8) at /var/tmp/portage/kde-base/korganizer-4.3.1/work/korganizer-4.3.1/korganizer/calendarview.cpp:810
#14 0xad792391 in CalendarView::resourcesChanged (this=0xce61eb8) at /var/tmp/portage/kde-base/korganizer-4.3.1/work/korganizer-4.3.1/korganizer/calendarview.cpp:2528
#15 0xad7a3dfb in CalendarView::qt_metacall (this=0xce61eb8, _c=QMetaObject::InvokeMetaMethod, _id=174, _a=0xbfc77178)
    at /var/tmp/portage/kde-base/korganizer-4.3.1/work/korganizer-4.3.1_build/korganizer/calendarview.moc:571
#16 0x4128dd79 in QMetaObject::activate (sender=) at kernel/qobject.cpp:3101
#17 0x4128e3a6 in QMetaObject::activate (sender=<value optimized out>, m=) at kernel/qobject.cpp:3178
#18 0xb7600a26 in KCal::Calendar::calendarChanged (this=0xa7dfc40) at /var/tmp/portage/kde-base/kdepimlibs-4.3.1/work/kdepimlibs-4.3.1_build/kcal/calendar.moc:86
#19 0xb7600a92 in KCal::Calendar::qt_metacall (this=0xa7dfc40, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbfc772f8)
    at /var/tmp/portage/kde-base/kdepimlibs-4.3.1/work/kdepimlibs-4.3.1_build/kcal/calendar.moc:73
#20 0xb766b903 in KCal::CalendarResources::qt_metacall (this=0xa7dfc40, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbfc772f8)
    at /var/tmp/portage/kde-base/kdepimlibs-4.3.1/work/kdepimlibs-4.3.1_build/kcal/calendarresources.moc:76
#21 0x4128dd79 in QMetaObject::activate (sender=) at kernel/qobject.cpp:3101
#22 0x4128e3a6 in QMetaObject::activate (sender=<value optimized out>, m=) at kernel/qobject.cpp:3178
#23 0xb7658026 in KCal::ResourceCalendar::resourceChanged (this=0xb26a688, _t1=0xb26a688) at /var/tmp/portage/kde-base/kdepimlibs-4.3.1/work/kdepimlibs-4.3.1_build/kcal/resourcecalendar.moc:117
#24 0xad63ea9a in KCal::ResourceAkonadi::Private::clearResource (this=0xaad0088) at /var/tmp/portage/kde-base/akonadi-4.3.1/work/kdepim-runtime-4.3.1/kresources/kcal/resourceakonadi_p.cpp:121
#25 0xad65a8a2 in ResourcePrivateBase::clear (this=0xaad0088) at /var/tmp/portage/kde-base/akonadi-4.3.1/work/kdepim-runtime-4.3.1/kresources/shared/resourceprivatebase.cpp:264
#26 0xad63b93b in KCal::ResourceAkonadi::doLoad (this=0xb26a688, syncCache=false) at /var/tmp/portage/kde-base/akonadi-4.3.1/work/kdepim-runtime-4.3.1/kresources/kcal/resourceakonadi.cpp:399
#27 0xb7658eaf in KCal::ResourceCalendar::load (this=0xb26a688) at /var/tmp/portage/kde-base/kdepimlibs-4.3.1/work/kdepimlibs-4.3.1/kcal/resourcecalendar.cpp:168
#28 0xad81fafb in ResourceView::reloadResource (this=0xd1e9828) at /var/tmp/portage/kde-base/korganizer-4.3.1/work/korganizer-4.3.1/korganizer/resourceview.cpp:769
#29 0xad825d42 in ResourceView::qt_metacall (this=0xd1e9828, _c=QMetaObject::InvokeMetaMethod, _id=42, _a=0xbfc775a8)
    at /var/tmp/portage/kde-base/korganizer-4.3.1/work/korganizer-4.3.1_build/korganizer/resourceview.moc:117
#30 0x4128dd79 in QMetaObject::activate (sender=) at kernel/qobject.cpp:3101
#31 0x4128e0fc in QMetaObject::activate (sender=<value optimized out>, m=) at kernel/qobject.cpp:3198
#32 0x44ed9ea6 in QAction::triggered (this=) at .moc/release-shared/moc_qaction.cpp:236
#33 0x44edb272 in QAction::activate (this=<value optimized out>, event=<value optimized out>) at kernel/qaction.cpp:1160
#34 0x452dfae8 in QMenuPrivate::activateCausedStack (this=) at widgets/qmenu.cpp:967
#35 0x452e4cd5 in QMenuPrivate::activateAction (this=<value optimized out>, action=<value optimized out>, action_e=) at widgets/qmenu.cpp:1060
#36 0x452ea2c8 in QMenu::mouseReleaseEvent (this=<value optimized out>, e=<value optimized out>) at widgets/qmenu.cpp:2254
#37 0x44f36d9c in QWidget::event (this=<value optimized out>, event=<value optimized out>) at kernel/qwidget.cpp:7549
#38 0x452e782c in QMenu::event (this=<value optimized out>, e=<value optimized out>) at widgets/qmenu.cpp:2353
#39 0x44edfcdc in QApplicationPrivate::notify_helper (this=<value optimized out>, receiver=<value optimized out>, e=<value optimized out>) at kernel/qapplication.cpp:4056
#40 0x44ee6765 in QApplication::notify (this=<value optimized out>, receiver=<value optimized out>, e=<value optimized out>) at kernel/qapplication.cpp:3758
#41 0xb6ec69b2 in KApplication::notify (this=0xbfc79524, receiver=0xb5d9808, event=0xbfc77ce4) at /var/tmp/portage/kde-base/kdelibs-4.3.1/work/kdelibs-4.3.1/kdeui/kernel/kapplication.cpp:302
#42 0x4127abfd in QCoreApplication::notifyInternal (this=) at kernel/qcoreapplication.cpp:606
#43 0x44ee7d36 in QApplicationPrivate::sendMouseEvent (receiver=<value optimized out>, event=<value optimized out>, alienWidget=<value optimized out>, nativeWidget=<value optimized out>, buttonDown=)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#44 0x44f4de07 in QETWidget::translateMouseEvent (this=<value optimized out>, event=<value optimized out>) at kernel/qapplication_x11.cpp:4338
#45 0x44f4c38c in QApplication::x11ProcessEvent (this=) at kernel/qapplication_x11.cpp:3545
#46 0x44f74cf0 in x11EventSourceDispatch (s=) at kernel/qguieventdispatcher_glib.cpp:146
#47 0xb671e1cf in IA__g_main_context_dispatch (context=0x9e55490) at gmain.c:1824
#48 0xb6721998 in g_main_context_iterate (context=0x9e55490, block=<value optimized out>, dispatch=1, self=0x9e3c510) at gmain.c:2455
#49 0xb6721abf in IA__g_main_context_iteration (context=0x9e55490, may_block=1) at gmain.c:2518
#50 0x412a3b79 in QEventDispatcherGlib::processEvents (this=) at kernel/qeventdispatcher_glib.cpp:327
#51 0x44f744cb in QGuiEventDispatcherGlib::processEvents (this=) at kernel/qguieventdispatcher_glib.cpp:202
#52 0x412792b4 in QEventLoop::processEvents (this=) at kernel/qeventloop.cpp:149
#53 0x4127948d in QEventLoop::exec (this=) at kernel/qeventloop.cpp:197
#54 0x4127b792 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#55 0x44edfb45 in QApplication::exec () at kernel/qapplication.cpp:3525
#56 0x0804b8f1 in main (argc=3, argv=0xbfc79724) at /var/tmp/portage/kde-base/kontact-4.3.1/work/kontact-4.3.1/kontact/src/main.cpp:218

Reported using DrKonqi