Application that crashed: knotify4
Version of the application: 4.0
KDE Version: 4.3.4 (KDE 4.3.4) "release 2"
Qt Version: 4.6.1
Operating System: Linux 2.6.31.5-0.1-default i686
Distribution: "openSUSE 11.2 (i586)"

What I was doing when the application crashed:
When I running system everytime I have problem.

 -- Backtrace:
Application: KNotify (knotify4), signal: Segmentation fault
[KCrash Handler]
#6  qVariantToHelper<QString> (handler=<value optimized out>, t=<value optimized out>, d=<value optimized out>) at kernel/qvariant.cpp:2061
#7  QVariant::toString (handler=<value optimized out>, t=<value optimized out>, d=<value optimized out>) at kernel/qvariant.cpp:2093
#8  0xb7185f16 in QDBusConnectionPrivate::getNameOwner (this=0x80811e0, serviceName=...) at qdbusintegrator.cpp:2238
#9  0xb718ffe1 in QDBusAbstractInterfacePrivate::QDBusAbstractInterfacePrivate (this=0x8165e78, serv=..., p=..., iface=..., con=..., isDynamic=true) at qdbusabstractinterface.cpp:95
#10 0xb7191865 in QDBusInterfacePrivate::QDBusInterfacePrivate (this=0x8165e78, serv=..., p=..., iface=..., con=...) at qdbusinterface.cpp:152
#11 0xb71919b4 in QDBusInterface::QDBusInterface (this=0x81e26d4, service=..., path=..., interface=..., connection=..., parent=0x0) at qdbusinterface.cpp:219
#12 0xb3f45eaf in Phonon::DeviceListing::DeviceListing (this=0x81e26c8) at /usr/src/debug/kdebase-runtime-4.3.4/phonon/platform_kde/devicelisting.cpp:115
#13 0xb3f3fa2e in Phonon::KdePlatformPlugin::ensureDeviceListingObject (this=0x8114748) at /usr/src/debug/kdebase-runtime-4.3.4/phonon/platform_kde/kdeplatformplugin.cpp:269
#14 0xb3f3fb56 in Phonon::KdePlatformPlugin::objectDescriptionIndexes (this=0x8114748, type=AudioOutputDeviceType)
    at /usr/src/debug/kdebase-runtime-4.3.4/phonon/platform_kde/kdeplatformplugin.cpp:280
#15 0xb747f090 in Phonon::GlobalConfig::audioOutputDeviceListFor(Phonon::Category, int) const () from /usr/lib/libphonon.so.4
#16 0xb747f493 in Phonon::GlobalConfig::audioOutputDeviceFor(Phonon::Category, int) const () from /usr/lib/libphonon.so.4
#17 0xb7479f22 in ?? () from /usr/lib/libphonon.so.4
#18 0x080534fc in Player (this=<value optimized out>) at /usr/src/debug/kdebase-runtime-4.3.4/knotify/notifybysound.cpp:59
#19 PlayerPool::getPlayer (this=<value optimized out>) at /usr/src/debug/kdebase-runtime-4.3.4/knotify/notifybysound.cpp:99
#20 0x08053cde in NotifyBySound::notify (this=0x8111d30, eventId=316, config=0x80ca2e8) at /usr/src/debug/kdebase-runtime-4.3.4/knotify/notifybysound.cpp:243
#21 0x0804eab3 in KNotify::emitEvent (this=0xbff9cee4, e=0x80ca2e0) at /usr/src/debug/kdebase-runtime-4.3.4/knotify/knotify.cpp:178
#22 0x0804eef6 in KNotify::event (this=0xbff9cee4, event=..., appname=..., contexts=..., title=..., text=..., image=..., actions=..., winId=0)
    at /usr/src/debug/kdebase-runtime-4.3.4/knotify/knotify.cpp:127
#23 0x0804f395 in KNotifyAdaptor::event (this=0x80c7c90, event=..., fromApp=..., contexts=..., title=..., text=..., image=..., actions=..., winId=<value optimized out>)
    at /usr/src/debug/kdebase-runtime-4.3.4/knotify/knotify.cpp:234
#24 0x080507c1 in KNotifyAdaptor::qt_metacall (this=0x80c7c90, _c=InvokeMetaMethod, _id=4, _a=0xbff9c53c) at /usr/src/debug/kdebase-runtime-4.3.4/build/knotify/knotify.moc:214
#25 0xb717e60e in QDBusConnectionPrivate::deliverCall (this=0x80811e0, object=0x80c7c90, msg=..., metaTypes=..., slotIdx=134644804) at qdbusintegrator.cpp:904
#26 0xb717f4ce in QDBusConnectionPrivate::activateCall (this=0x80811e0, object=0x80c7c90, flags=273, msg=...) at qdbusintegrator.cpp:816
#27 0xb717fffe in QDBusConnectionPrivate::activateObject (this=0x80811e0, node=..., msg=..., pathStartPos=-1074149716) at qdbusintegrator.cpp:1362
#28 0xb71802c8 in QDBusActivateObjectEvent::placeMetaCall (this=0x8114de0) at qdbusintegrator.cpp:1475
#29 0xb7052caf in QObject::event (this=0xbff9cee4, e=0x8114de0) at kernel/qobject.cpp:1239
#30 0xb659754c in QApplicationPrivate::notify_helper (this=0x8088f90, receiver=0xbff9cee4, e=0x8114de0) at kernel/qapplication.cpp:4259
#31 0xb659e359 in QApplication::notify (this=0xbff9cef8, receiver=0xbff9cee4, e=0x8114de0) at kernel/qapplication.cpp:4142
#32 0xb766c451 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#33 0xb7041efe in QCoreApplication::notifyInternal (this=0xbff9cef8, receiver=0xbff9cee4, event=0x8114de0) at kernel/qcoreapplication.cpp:704
#34 0xb7044903 in sendEvent (event=<value optimized out>, receiver=<value optimized out>) at kernel/qcoreapplication.h:215
#35 QCoreApplicationPrivate::sendPostedEvents (event=<value optimized out>, receiver=<value optimized out>) at kernel/qcoreapplication.cpp:1345
#36 0xb7044a5c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1238
#37 0xb706efed in sendPostedEvents () at kernel/qcoreapplication.h:220
#38 postEventSourceDispatch () at kernel/qeventdispatcher_glib.cpp:276
#39 0xb5d394c2 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#40 0xb5d3cd98 in ?? () from /usr/lib/libglib-2.0.so.0
#41 0xb5d3cebe in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#42 0xb706ead1 in QEventDispatcherGlib::processEvents (this=0x806cc48, flags=...) at kernel/qeventdispatcher_glib.cpp:407
#43 0xb6656c3a in QGuiEventDispatcherGlib::processEvents (this=0x806cc48, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#44 0xb704056d in QEventLoop::processEvents (this=0xbff9ce44, flags=) at kernel/qeventloop.cpp:149
#45 0xb70409b9 in QEventLoop::exec (this=0xbff9ce44, flags=...) at kernel/qeventloop.cpp:201
#46 0xb7044b30 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#47 0xb65975f4 in QApplication::exec () at kernel/qapplication.cpp:3572
#48 0x0804def7 in main (argc=1, argv=0xbff9d064) at /usr/src/debug/kdebase-runtime-4.3.4/knotify/main.cpp:73

Reported using DrKonqi