Application that crashed: kontact
Version of the application: 4.3.2
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-16-generic-pae i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
I was reading email through the kmail module in kontact. After I finished, I typed CTRL-Q to exit the application and the crash occurred during the exit.

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  0xb4522f8c in KMFolder::countUnread (this=0xa528880) at ../../kmail/kmfolder.cpp:505
#7  0xb486a6de in KMail::FolderAdaptor::unreadMessages (this=0xa63e388, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0xbf9883cc) at ../../kmail/folderadaptor.cpp:103
#8  KMail::FolderAdaptor::qt_metacall (this=0xa63e388, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0xbf9883cc) at ./folderadaptor.moc:96
#9  0x00cf17b4 in QDBusConnectionPrivate::deliverCall (this=0x9b9ec90, object=0xa63e388, msg=..., metaTypes=..., slotIdx=11) at qdbusintegrator.cpp:891
#10 0x00cf295d in QDBusConnectionPrivate::activateCall (this=0x9b9ec90, object=0xa63e388, flags=48, msg=...) at qdbusintegrator.cpp:796
#11 0x00cf2fc3 in QDBusConnectionPrivate::activateObject (this=0x9b9ec90, node=..., msg=..., pathStartPos=7) at qdbusintegrator.cpp:1370
#12 0x00cf34da in QDBusActivateObjectEvent::placeMetaCall (this=0xa496fa0) at qdbusintegrator.cpp:1464
#13 0x057e25fe in QObject::event (this=0xa63e388, e=0xa496fa0) at kernel/qobject.cpp:1111
#14 0x00eabf54 in QApplicationPrivate::notify_helper (this=0x9bb4480, receiver=0xa63e388, e=0xa496fa0) at kernel/qapplication.cpp:4056
#15 0x00eb367c in QApplication::notify (this=0xbf988d14, receiver=0xa63e388, e=0xa496fa0) at kernel/qapplication.cpp:3603
#16 0x00a57bfa in KApplication::notify (this=0xbf988d14, receiver=0xa63e388, event=0xa496fa0) at ../../kdeui/kernel/kapplication.cpp:302
#17 0x057d26cb in QCoreApplication::notifyInternal (this=0xbf988d14, receiver=0xa63e388, event=0xa496fa0) at kernel/qcoreapplication.cpp:610
#18 0x057d32b2 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x9b86820) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x9b86820) at kernel/qcoreapplication.cpp:1247
#20 0x057d347d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1140
#21 0x057fd3ff in QCoreApplication::sendPostedEvents (s=0x9bb1778) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#22 postEventSourceDispatch (s=0x9bb1778) at kernel/qeventdispatcher_glib.cpp:210
#23 0x01a48e78 in g_main_dispatch (context=0x9bb16f8) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:1960
#24 IA__g_main_context_dispatch (context=0x9bb16f8) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:2513
#25 0x01a4c720 in g_main_context_iterate (context=0x9bb16f8, block=<value optimized out>, dispatch=1, self=0x9bb4778) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:2591
#26 0x01a4c853 in IA__g_main_context_iteration (context=0x9bb16f8, may_block=1) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:2654
#27 0x057fd02c in QEventDispatcherGlib::processEvents (this=0x9b869f8, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#28 0x00f4cbe5 in QGuiEventDispatcherGlib::processEvents (this=0x9b869f8, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#29 0x057d0c79 in QEventLoop::processEvents (this=0xbf988c74, flags=) at kernel/qeventloop.cpp:149
#30 0x057d10ca in QEventLoop::exec (this=0xbf988c74, flags=...) at kernel/qeventloop.cpp:201
#31 0x057d353f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#32 0x00eabdd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#33 0x0804b4e6 in main (argc=1, argv=0xbf988f34) at ../../../kontact/src/main.cpp:218

This bug may be a duplicate of or related to bug 202943

Reported using DrKonqi