Application that crashed: systemsettings
Version of the application: 1.0
KDE Version: 4.2.88 (KDE 4.2.88 (KDE 4.3 >= 20090527)) "release 135"
Qt Version: 4.5.1
Operating System: Linux 2.6.27.21-0.1-pae i686

What I was doing when the application crashed:
I did change my sound engine from xine to gstreamer in "Configure Desktop -> Multimedia"   
When I now try to open "Configure Desktop -> Multimedia" the application crash

 -- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
[KCrash Handler]
#6  QVariant::toString (this=0x0) at kernel/qvariant.cpp:2017
#7  0xb6ab493b in QDBusConnectionPrivate::getNameOwner (this=0x8078378, serviceName=@0x8322c88) at qdbusintegrator.cpp:2092
#8  0xb6abc5f0 in QDBusAbstractInterfacePrivate (this=0x8322c40, serv=@0xbfce35fc, p=@0xbfce3600, iface=@0xbfce3604, con=@0xbfce3608, isDynamic=true) at qdbusabstractinterface.cpp:120
#9  0xb6abf889 in QDBusInterfacePrivate (this=0x8322c40, serv=@0xbfce35fc, p=@0xbfce3600, iface=@0xbfce3604, con=@0xbfce3608) at qdbusinterface.cpp:56
#10 0xb6abf9df in QDBusInterface (this=0x8321494, service=@0xbfce35fc, path=@0xbfce3600, interface=@0xbfce3604, connection=@0xbfce3608, parent=0x0) at qdbusinterface.cpp:121
#11 0xb42ea5bd in DeviceListing (this=0x8321488) at /usr/src/debug/kdebase-runtime-4.2.88svn973768/phonon/platform_kde/devicelisting.cpp:115
#12 0xb42e4a3e in Phonon::KdePlatformPlugin::ensureDeviceListingObject (this=0x83214f8) at /usr/src/debug/kdebase-runtime-4.2.88svn973768/phonon/platform_kde/kdeplatformplugin.cpp:269
#13 0xb42e4b3f in Phonon::KdePlatformPlugin::objectDescriptionIndexes (this=0x83214f8, type=Phonon::AudioOutputDeviceType)
    at /usr/src/debug/kdebase-runtime-4.2.88svn973768/phonon/platform_kde/kdeplatformplugin.cpp:280
#14 0xb3a802fb in Phonon::GlobalConfig::audioOutputDeviceListFor (this=0xbfce3744, category=Phonon::NoCategory, override=Phonon::GlobalConfig::HideAdvancedDevices)
    at /usr/src/debug/kdebase-runtime-4.2.88svn973768/phonon/kcm/globalconfig.cpp:137
#15 0xb3a6f9c1 in DevicePreference::availableAudioOutputDevices (this=0x8304d58) at /usr/src/debug/kdebase-runtime-4.2.88svn973768/phonon/kcm/devicepreference.cpp:325
#16 0xb3a729df in DevicePreference::updateAudioOutputDevices (this=0x8304d58) at /usr/src/debug/kdebase-runtime-4.2.88svn973768/phonon/kcm/devicepreference.cpp:283
#17 0xb3a7712b in DevicePreference::qt_metacall (this=0x8304d58, _c=QMetaObject::InvokeMetaMethod, _id=9, _a=0xbfce3928)
    at /usr/src/debug/kdebase-runtime-4.2.88svn973768/build/phonon/kcm/moc_devicepreference.cpp:96
#18 0xb69a8dc8 in QMetaObject::activate (sender=0x8314d20, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3120
#19 0xb69aa552 in QMetaObject::activate (sender=0x8314d20, m=0xb3b914e8, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3194
#20 0xb3b713a7 in ?? () from /usr/lib/libphonon.so.4
#21 0xb3b71415 in ?? () from /usr/lib/libphonon.so.4
#22 0xb69a8dc8 in QMetaObject::activate (sender=0x8315f98, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3120
#23 0xb69aa552 in QMetaObject::activate (sender=0x8315f98, m=0xb3b915d0, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3194
#24 0xb3b74697 in ?? () from /usr/lib/libphonon.so.4
#25 0xb3b77cd9 in Phonon::Factory::backend(bool) () from /usr/lib/libphonon.so.4
#26 0xb3a802a9 in Phonon::GlobalConfig::audioOutputDeviceListFor (this=0xbfce3b74, category=Phonon::NoCategory, override=Phonon::GlobalConfig::HideAdvancedDevices)
    at /usr/src/debug/kdebase-runtime-4.2.88svn973768/phonon/kcm/globalconfig.cpp:131
#27 0xb3a6f9c1 in DevicePreference::availableAudioOutputDevices (this=0x8304d58) at /usr/src/debug/kdebase-runtime-4.2.88svn973768/phonon/kcm/devicepreference.cpp:325
#28 0xb3a7540c in DevicePreference::load (this=0x8304d58) at /usr/src/debug/kdebase-runtime-4.2.88svn973768/phonon/kcm/devicepreference.cpp:356
#29 0xb3a6c345 in PhononKcm::load (this=0x82f7af0) at /usr/src/debug/kdebase-runtime-4.2.88svn973768/phonon/kcm/main.cpp:63
#30 0xb3a6cade in PhononKcm (this=0x82f7af0, parent=0x82f8f00, args=@0xbfce420c) at /usr/src/debug/kdebase-runtime-4.2.88svn973768/phonon/kcm/main.cpp:55
#31 0xb3a6d6ef in KPluginFactory::createInstance<PhononKcm, QWidget> (parentWidget=0x0, parent=0x82f8f00, args=@0xbfce420c) at /usr/include/kpluginfactory.h:461
#32 0xb6cdcd6f in KPluginFactory::create (this=0x82ff6d8, iface=0xb7ac1980 "KCModule", parentWidget=0x0, parent=0x82f8f00, args=@0xbfce420c, keyword=@0xbfce41c4)
    at /usr/src/debug/kdelibs-4.2.88svn973768/kdecore/util/kpluginfactory.cpp:191
#33 0xb7cce237 in KCModuleLoader::loadModule (mod=@0x82fde80, report=KCModuleLoader::Inline, parent=0x82f8f00, args=@0x82fde68)
    at /usr/src/debug/kdelibs-4.2.88svn973768/kdecore/util/kpluginfactory.h:515
#34 0xb7cd407d in KCModuleProxyPrivate::loadModule (this=0x82fde68) at /usr/src/debug/kdelibs-4.2.88svn973768/kutils/kcmoduleproxy.cpp:104
#35 0xb7cd51a3 in KCModuleProxy::realModule (this=0x82f8f00) at /usr/src/debug/kdelibs-4.2.88svn973768/kutils/kcmoduleproxy.cpp:81
#36 0xb7cd5548 in KCModuleProxy::showEvent (this=0x82f8f00, ev=0xbfce489c) at /usr/src/debug/kdelibs-4.2.88svn973768/kutils/kcmoduleproxy.cpp:191
#37 0xb6eda155 in QWidget::event (this=0x82f8f00, event=0xbfce489c) at kernel/qwidget.cpp:7720
#38 0xb6e8369c in QApplicationPrivate::notify_helper (this=0x80777e0, receiver=0x82f8f00, e=0xbfce489c) at kernel/qapplication.cpp:4057
#39 0xb6e8ba82 in QApplication::notify (this=0xbfce7ab4, receiver=0x82f8f00, e=0xbfce489c) at kernel/qapplication.cpp:4022
#40 0xb7930b9d in KApplication::notify (this=0xbfce7ab4, receiver=0x82f8f00, event=0xbfce489c) at /usr/src/debug/kdelibs-4.2.88svn973768/kdeui/kernel/kapplication.cpp:302
#41 0xb6992adb in QCoreApplication::notifyInternal (this=0xbfce7ab4, receiver=0x82f8f00, event=0xbfce489c) at kernel/qcoreapplication.cpp:610
#42 0xb6edf83b in QWidgetPrivate::show_helper (this=0x82fdd00) at ../../src/corelib/kernel/qcoreapplication.h:213
#43 0xb6edfa69 in QWidgetPrivate::show_recursive (this=0x82fdd00) at kernel/qwidget.cpp:6599
#44 0xb6edfbef in QWidgetPrivate::showChildren (this=0x82fe970, spontaneous=false) at kernel/qwidget.cpp:7033
#45 0xb6edf731 in QWidgetPrivate::show_helper (this=0x82fe970) at kernel/qwidget.cpp:6675
#46 0xb6edfe33 in QWidget::setVisible (this=0x82f7dd0, visible=true) at kernel/qwidget.cpp:6947
#47 0xb6edfc08 in QWidgetPrivate::showChildren (this=0x82fe7c8, spontaneous=false) at ../../src/gui/kernel/qwidget.h:473
#48 0xb6edf731 in QWidgetPrivate::show_helper (this=0x82fe7c8) at kernel/qwidget.cpp:6675
#49 0xb6edfa69 in QWidgetPrivate::show_recursive (this=0x82fe7c8) at kernel/qwidget.cpp:6599
#50 0xb6edfbef in QWidgetPrivate::showChildren (this=0x8278ab0, spontaneous=false) at kernel/qwidget.cpp:7033
#51 0xb6edf731 in QWidgetPrivate::show_helper (this=0x8278ab0) at kernel/qwidget.cpp:6675
#52 0xb6edfa69 in QWidgetPrivate::show_recursive (this=0x8278ab0) at kernel/qwidget.cpp:6599
#53 0xb6edfbef in QWidgetPrivate::showChildren (this=0x8278778, spontaneous=false) at kernel/qwidget.cpp:7033
#54 0xb6edf731 in QWidgetPrivate::show_helper (this=0x8278778) at kernel/qwidget.cpp:6675
#55 0xb6edfe33 in QWidget::setVisible (this=0x82785e8, visible=true) at kernel/qwidget.cpp:6947
#56 0xb6edfc08 in QWidgetPrivate::showChildren (this=0x82784b0, spontaneous=false) at ../../src/gui/kernel/qwidget.h:473
#57 0xb6edf731 in QWidgetPrivate::show_helper (this=0x82784b0) at kernel/qwidget.cpp:6675
#58 0xb6edfe33 in QWidget::setVisible (this=0x8278490, visible=true) at kernel/qwidget.cpp:6947
#59 0xb6ec14a1 in QStackedLayout::setCurrentIndex (this=0x8277890, index=1) at ../../src/gui/kernel/qwidget.h:473
#60 0xb6ec162d in QStackedLayout::setCurrentWidget (this=0x8277890, widget=0x8278490) at kernel/qstackedlayout.cpp:367
#61 0xb730901c in QStackedWidget::setCurrentWidget (this=0x8276040, widget=0x8278490) at widgets/qstackedwidget.cpp:248
#62 0xb42f3e61 in ?? () from /usr/lib/kde4/icon_mode.so
#63 0xb42f4818 in ?? () from /usr/lib/kde4/icon_mode.so
#64 0xb69a8dc8 in QMetaObject::activate (sender=0x8278490, from_signal_index=27, to_signal_index=27, argv=0xbfce4e4c) at kernel/qobject.cpp:3120
#65 0xb69aa552 in QMetaObject::activate (sender=0x8278490, m=0xb7cb491c, local_signal_index=0, argv=0xbfce4e4c) at kernel/qobject.cpp:3194
#66 0xb7ca51e9 in ModuleView::moduleChanged(bool) () from /usr/lib/libsystemsettingsview.so
#67 0xb7ca59b2 in ModuleView::stateChanged() () from /usr/lib/libsystemsettingsview.so
#68 0xb7ca6ba5 in ModuleView::activeModuleChanged(KPageWidgetItem*, KPageWidgetItem*) () from /usr/lib/libsystemsettingsview.so
#69 0xb7ca7778 in ModuleView::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libsystemsettingsview.so
#70 0xb69a8dc8 in QMetaObject::activate (sender=0x82785e8, from_signal_index=32, to_signal_index=32, argv=0xbfce4f98) at kernel/qobject.cpp:3120
#71 0xb69aa552 in QMetaObject::activate (sender=0x82785e8, m=0xb7b28cf0, local_signal_index=0, argv=0xbfce4f98) at kernel/qobject.cpp:3194
#72 0xb7967eb9 in KPageWidget::currentPageChanged (this=0x82785e8, _t1=0x82fdf30, _t2=0x0) at /usr/src/debug/kdelibs-4.2.88svn973768/build/kdeui/kpagewidget.moc:90
#73 0xb7968005 in KPageWidgetPrivate::_k_slotCurrentPageChanged (this=0x82780a8, current=@0x82780e8, before=@0xb6a8af78) at /usr/src/debug/kdelibs-4.2.88svn973768/kdeui/paged/kpagewidget.cpp:43
#74 0xb79680ce in KPageWidget::qt_metacall (this=0x82785e8, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0xbfce50b8) at /usr/src/debug/kdelibs-4.2.88svn973768/build/kdeui/kpagewidget.moc:78
#75 0xb69a8dc8 in QMetaObject::activate (sender=0x82785e8, from_signal_index=27, to_signal_index=27, argv=0xbfce50b8) at kernel/qobject.cpp:3120
#76 0xb69aa552 in QMetaObject::activate (sender=0x82785e8, m=0xb7b281ec, local_signal_index=0, argv=0xbfce50b8) at kernel/qobject.cpp:3194
#77 0xb7962d29 in KPageView::currentPageChanged (this=0x82785e8, _t1=@0x82780e8, _t2=@0xb6a8af78) at /usr/src/debug/kdelibs-4.2.88svn973768/build/kdeui/kpageview.moc:134
#78 0xb7963abe in KPageViewPrivate::_k_pageSelected (this=0x82780a8, index=@0x82780e8, previous=@0xb6a8af78) at /usr/src/debug/kdelibs-4.2.88svn973768/kdeui/paged/kpageview.cpp:235
#79 0xb7964537 in KPageView::qt_metacall (this=0x82785e8, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0xbfce5228) at /usr/src/debug/kdelibs-4.2.88svn973768/build/kdeui/kpageview.moc:94
#80 0xb796808a in KPageWidget::qt_metacall (this=0x82785e8, _c=QMetaObject::InvokeMetaMethod, _id=30, _a=0xbfce5228) at /usr/src/debug/kdelibs-4.2.88svn973768/build/kdeui/kpagewidget.moc:70
#81 0xb69a8dc8 in QMetaObject::activate (sender=0x82860f0, from_signal_index=5, to_signal_index=5, argv=0xbfce5228) at kernel/qobject.cpp:3120
#82 0xb69aa552 in QMetaObject::activate (sender=0x82860f0, m=0xb770c550, local_signal_index=1, argv=0xbfce5228) at kernel/qobject.cpp:3194
#83 0xb7434d69 in QItemSelectionModel::currentChanged (this=0x82860f0, _t1=@0x82780e8, _t2=@0xb6a8af78) at .moc/release-shared/moc_qitemselectionmodel.cpp:153
#84 0xb7434f0d in QItemSelectionModel::setCurrentIndex (this=0x82860f0, index=@0xbfce52ec, command={i = -1076997308}) at itemviews/qitemselectionmodel.cpp:1123
#85 0xb7963dd0 in KPageViewPrivate::_k_rebuildGui (this=0x82780a8) at /usr/src/debug/kdelibs-4.2.88svn973768/kdeui/paged/kpageview.cpp:70
#86 0xb79643f0 in KPageViewPrivate::_k_modelChanged (this=0x82780a8) at /usr/src/debug/kdelibs-4.2.88svn973768/kdeui/paged/kpageview.cpp:190
#87 0xb796454e in KPageView::qt_metacall (this=0x82785e8, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbfce5488) at /usr/src/debug/kdelibs-4.2.88svn973768/build/kdeui/kpageview.moc:93
#88 0xb796808a in KPageWidget::qt_metacall (this=0x82785e8, _c=QMetaObject::InvokeMetaMethod, _id=29, _a=0xbfce5488) at /usr/src/debug/kdelibs-4.2.88svn973768/build/kdeui/kpagewidget.moc:70
#89 0xb69a8dc8 in QMetaObject::activate (sender=0x8274938, from_signal_index=6, to_signal_index=6, argv=0x0) at kernel/qobject.cpp:3120
#90 0xb69aa552 in QMetaObject::activate (sender=0x8274938, m=0xb6a894f8, local_signal_index=2, argv=0x0) at kernel/qobject.cpp:3194
#91 0xb69e3ec7 in QAbstractItemModel::layoutChanged (this=0x8274938) at .moc/release-shared/moc_qabstractitemmodel.cpp:139
#92 0xb796a904 in KPageWidgetModel::addPage (this=0x8274938, item=0x82fdf30) at /usr/src/debug/kdelibs-4.2.88svn973768/kdeui/paged/kpagewidgetmodel.cpp:394
#93 0xb796833a in KPageWidget::addPage (this=0x82785e8, item=0x82fdf30) at /usr/src/debug/kdelibs-4.2.88svn973768/kdeui/paged/kpagewidget.cpp:87
#94 0xb7ca7107 in ModuleView::addModule(KCModuleInfo*) () from /usr/lib/libsystemsettingsview.so
#95 0xb7ca754e in ModuleView::loadModule(MenuItem*) () from /usr/lib/libsystemsettingsview.so
#96 0xb42f4369 in ?? () from /usr/lib/kde4/icon_mode.so
#97 0xb42f4832 in ?? () from /usr/lib/kde4/icon_mode.so
#98 0xb69a8dc8 in QMetaObject::activate (sender=0x827bd88, from_signal_index=34, to_signal_index=34, argv=0xbfce576c) at kernel/qobject.cpp:3120
#99 0xb69aa552 in QMetaObject::activate (sender=0x827bd88, m=0xb770bb44, local_signal_index=3, argv=0xbfce576c) at kernel/qobject.cpp:3194
#100 0xb73da5b3 in QAbstractItemView::activated (this=0x827bd88, _t1=@0x807cf60) at .moc/release-shared/moc_qabstractitemview.cpp:335
#101 0xb73e7fb0 in QAbstractItemView::mouseReleaseEvent (this=0x827bd88, event=0xbfce6148) at itemviews/qabstractitemview.cpp:1659
#102 0xb73fea1f in QListView::mouseReleaseEvent (this=0x827bd88, e=0xbfce6148) at itemviews/qlistview.cpp:849
#103 0xb791b744 in KCategorizedView::mouseReleaseEvent (this=0x827bd88, event=0xbfce6148) at /usr/src/debug/kdelibs-4.2.88svn973768/kdeui/itemviews/kcategorizedview.cpp:1135
#104 0xb6eda323 in QWidget::event (this=0x827bd88, event=0xbfce6148) at kernel/qwidget.cpp:7521
#105 0xb7298c13 in QFrame::event (this=0x827bd88, e=0xbfce6148) at widgets/qframe.cpp:559
#106 0xb7338def in QAbstractScrollArea::viewportEvent (this=0x827bd88, e=0x0) at widgets/qabstractscrollarea.cpp:962
#107 0xb73eabd7 in QAbstractItemView::viewportEvent (this=0x827bd88, event=0xbfce6148) at itemviews/qabstractitemview.cpp:1471
#108 0xb733b3f5 in QAbstractScrollAreaFilter::eventFilter (this=0x827f5f8, o=0x827d048, e=0xbfce6148) at widgets/qabstractscrollarea_p.h:100
#109 0xb6991cea in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x80777e0, receiver=0x827d048, event=0xbfce6148) at kernel/qcoreapplication.cpp:726
#110 0xb6e8367a in QApplicationPrivate::notify_helper (this=0x80777e0, receiver=0x827d048, e=0xbfce6148) at kernel/qapplication.cpp:4053
#111 0xb6e8c311 in QApplication::notify (this=0xbfce7ab4, receiver=0x827d048, e=0xbfce6148) at kernel/qapplication.cpp:3759
#112 0xb7930b9d in KApplication::notify (this=0xbfce7ab4, receiver=0x827d048, event=0xbfce6148) at /usr/src/debug/kdelibs-4.2.88svn973768/kdeui/kernel/kapplication.cpp:302
#113 0xb6992adb in QCoreApplication::notifyInternal (this=0xbfce7ab4, receiver=0x827d048, event=0xbfce6148) at kernel/qcoreapplication.cpp:610
#114 0xb6e8b37e in QApplicationPrivate::sendMouseEvent (receiver=0x827d048, event=0xbfce6148, alienWidget=0x827d048, nativeWidget=0x8153c40, buttonDown=0xb7718a40, lastMouseReceiver=@0xb7718a44)
    at ../../src/corelib/kernel/qcoreapplication.h:216
#115 0xb6efb506 in QETWidget::translateMouseEvent (this=0x8153c40, event=0xbfce77dc) at kernel/qapplication_x11.cpp:4446
#116 0xb6efa8dd in QApplication::x11ProcessEvent (this=0xbfce7ab4, event=0xbfce77dc) at kernel/qapplication_x11.cpp:3442
#117 0xb6f2427a in x11EventSourceDispatch (s=0x807e238, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#118 0xb61c79c8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#119 0xb61cb083 in ?? () from /usr/lib/libglib-2.0.so.0
#120 0xb61cb241 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#121 0xb69be558 in QEventDispatcherGlib::processEvents (this=0x807b478, flags={i = -1076987496}) at kernel/qeventdispatcher_glib.cpp:324
#122 0xb6f23975 in QGuiEventDispatcherGlib::processEvents (this=0x807b478, flags={i = -1076987448}) at kernel/qguieventdispatcher_glib.cpp:202
#123 0xb69910fa in QEventLoop::processEvents (this=0xbfce7a40, flags={i = -1076987384}) at kernel/qeventloop.cpp:149
#124 0xb699153a in QEventLoop::exec (this=0xbfce7a40, flags={i = -1076987320}) at kernel/qeventloop.cpp:200
#125 0xb69939e9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#126 0xb6e83517 in QApplication::exec () at kernel/qapplication.cpp:3526
#127 0x08052f44 in _start ()

Reported using DrKonqi