Application that crashed: kontact
Version of the application: 4.3.0 pre
KDE Version: 4.2.90 (KDE 4.2.90 (KDE 4.3 Beta2))
Qt Version: 4.5.0
Operating System: Linux 2.6.28-12-generic i686
Distribution: Ubuntu 9.04

 -- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault
[KCrash Handler]
#6  0xb78f002c in Kontact::Plugin::identifier (this=0x96c80d8) at /usr/include/qt4/QtCore/qstring.h:711
#7  0xb7909ff9 in Kontact::MainWindow::activatePluginModule (this=0x94d1bf8) at /build/buildd/kdepim-4.2.90/kontact/src/mainwindow.cpp:300
#8  0xb790a0a4 in Kontact::MainWindow::setActivePluginModule (this=0x94d1bf8, module=@0xbfc75fe4) at /build/buildd/kdepim-4.2.90/kontact/src/mainwindow.cpp:278
#9  0x0804ac57 in KontactApp::newInstance (this=0xbfc76b48) at /build/buildd/kdepim-4.2.90/kontact/src/main.cpp:147
#10 0xb6d9a516 in KUniqueApplicationAdaptor::newInstance (this=0x9454988, asn_id=@0xa86a070, args=@0xa5bc478) at /build/buildd/kde4libs-4.2.90/kdeui/kernel/kuniqueapplication.cpp:454
#11 0xb6d9a5be in KUniqueApplicationAdaptor::qt_metacall (this=0x9454988, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbfc76238)
    at /build/buildd/kde4libs-4.2.90/obj-i486-linux-gnu/kdeui/kuniqueapplication_p.moc:75
#12 0xb5da6d7a in QDBusConnectionPrivate::deliverCall (this=0x93bcec8, object=0x9454988, msg=@0xa498650, metaTypes=@0xad265d4, slotIdx=4) at qdbusintegrator.cpp:891
#13 0xb5da8099 in QDBusConnectionPrivate::activateCall (this=0x93bcec8, object=0x9454988, flags=337, msg=@0xa498650) at qdbusintegrator.cpp:803
#14 0xb5da8501 in QDBusConnectionPrivate::activateObject (this=0x93bcec8, node=@0xa49863c, msg=@0xa498650, pathStartPos=16) at qdbusintegrator.cpp:1375
#15 0xb5da89fa in QDBusActivateObjectEvent::placeMetaCall (this=0xa498610) at qdbusintegrator.cpp:1469
#16 0xb5c9d3a0 in QObject::event (this=0xbfc76b48, e=0xa498610) at kernel/qobject.cpp:1118
#17 0xb5c8c3db in QCoreApplication::event (this=0xbfc76b48, e=0xa498610) at kernel/qcoreapplication.cpp:1426
#18 0xb6170379 in QApplication::event (this=0xbfc76b48, e=0xa498610) at kernel/qapplication.cpp:2334
#19 0xb616ce9c in QApplicationPrivate::notify_helper (this=0x93c4910, receiver=0xbfc76b48, e=0xa498610) at kernel/qapplication.cpp:4084
#20 0xb617519e in QApplication::notify (this=0xbfc76b48, receiver=0xbfc76b48, e=0xa498610) at kernel/qapplication.cpp:3631
#21 0xb6d92e8d in KApplication::notify (this=0xbfc76b48, receiver=0xbfc76b48, event=0xa498610) at /build/buildd/kde4libs-4.2.90/kdeui/kernel/kapplication.cpp:302
#22 0xb5c8ca3b in QCoreApplication::notifyInternal (this=0xbfc76b48, receiver=0xbfc76b48, event=0xa498610) at kernel/qcoreapplication.cpp:602
#23 0xb5c8d695 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x93a4c08) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#24 0xb5c8d88d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1132
#25 0xb5cb87ef in postEventSourceDispatch (s=0x93c6af0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#26 0xb4d52b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#27 0xb4d560eb in ?? () from /usr/lib/libglib-2.0.so.0
#28 0xb4d56268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#29 0xb5cb8438 in QEventDispatcherGlib::processEvents (this=0x93cb150, flags={i = -1077450216}) at kernel/qeventdispatcher_glib.cpp:323
#30 0xb620e365 in QGuiEventDispatcherGlib::processEvents (this=0x93cb150, flags={i = -1077450168}) at kernel/qguieventdispatcher_glib.cpp:202
#31 0xb5c8b06a in QEventLoop::processEvents (this=0xbfc76ac0, flags={i = -1077450104}) at kernel/qeventloop.cpp:149
#32 0xb5c8b4aa in QEventLoop::exec (this=0xbfc76ac0, flags={i = -1077450040}) at kernel/qeventloop.cpp:200
#33 0xb5c8d959 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#34 0xb616cd17 in QApplication::exec () at kernel/qapplication.cpp:3553
#35 0x0804bfef in main (argc=1, argv=0xbfc76e44) at /build/buildd/kdepim-4.2.90/kontact/src/main.cpp:218

This bug may be a duplicate of or related to bug 193514

Reported using DrKonqi