Bug 306201

Application: systemsettings (1.0)
KDE Platform Version: 4.8.95 (4.8.95) "release 1"
Qt Version: 4.8.2
Operating System: Linux 3.1.10-1.16-desktop x86_64
Distribution: "openSUSE 12.1 (x86_64)"

-- Information about the crash:
I installed LightDM, whenever i try to enter the config options then the control panel crashes.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fd28ad48780 (LWP 20864))]

Thread 2 (Thread 0x7fd270798700 (LWP 20865)):
#0  0x00007fd287c9cff3 in poll () from /lib64/libc.so.6
#1  0x00007fd28150eae8 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fd28150f312 in g_main_loop_run () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fd27170f946 in ?? () from /usr/lib64/libgio-2.0.so.0
#4  0x00007fd281533e06 in ?? () from /usr/lib64/libglib-2.0.so.0
#5  0x00007fd2817c6f05 in start_thread () from /lib64/libpthread.so.0
#6  0x00007fd287ca610d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fd28ad48780 (LWP 20864)):
[KCrash Handler]
#6  0x00007fd28a8ed90f in QFormInternal::domPropertyToVariant (afb=0xd2faa0, meta=0x617040, p=0xe54e50) at ../lib/uilib/properties.cpp:140
#7  0x00007fd28a89c1d9 in QFormInternal::QAbstractFormBuilder::toVariant (this=<optimized out>, meta=<optimized out>, p=<optimized out>) at ../lib/uilib/abstractformbuilder.cpp:1002
#8  0x00007fd28a8b59f6 in QFormInternal::QFormBuilder::applyProperties (this=0xd2faa0, o=0xe58e50, properties=<optimized out>) at ../lib/uilib/formbuilder.cpp:547
#9  0x00007fd28a893b5f in QFormInternal::FormBuilderPrivate::applyProperties (this=0xd2faa0, o=0xe58e50, properties=...) at quiloader.cpp:414
#10 0x00007fd28a8a55f5 in QFormInternal::QAbstractFormBuilder::create (this=0xd2faa0, ui_widget=0xd2fee0, parentWidget=0xd375f0) at ../lib/uilib/abstractformbuilder.cpp:303
#11 0x00007fd28a8b5d51 in QFormInternal::QFormBuilder::create (this=0xd2faa0, ui_widget=0xd2fee0, parentWidget=0xd375f0) at ../lib/uilib/formbuilder.cpp:157
#12 0x00007fd28a89198e in QFormInternal::FormBuilderPrivate::create (this=0xd2faa0, ui_widget=<optimized out>, parentWidget=<optimized out>) at quiloader.cpp:452
#13 0x00007fd28a8aa4e3 in QFormInternal::QAbstractFormBuilder::create (this=0xd2faa0, ui=0x7fff029e8f10, parentWidget=0xd375f0) at ../lib/uilib/abstractformbuilder.cpp:248
#14 0x00007fd28a892125 in QFormInternal::FormBuilderPrivate::create (this=0xd2faa0, ui=0x7fff029e8f10, parentWidget=0xd375f0) at quiloader.cpp:447
#15 0x00007fd271e065d2 in QFormInternal::QAbstractFormBuilder::load(QIODevice*, QWidget*) () from /usr/lib64/kde4/kcm_lightdm.so
#16 0x00007fd271dfe6dd in QUiLoader::load(QIODevice*, QWidget*) () from /usr/lib64/kde4/kcm_lightdm.so
#17 0x00007fd271dfb478 in ?? () from /usr/lib64/kde4/kcm_lightdm.so
#18 0x00007fd271df3bda in ?? () from /usr/lib64/kde4/kcm_lightdm.so
#19 0x00007fd271df3f83 in ?? () from /usr/lib64/kde4/kcm_lightdm.so
#20 0x00007fd271dfa748 in ?? () from /usr/lib64/kde4/kcm_lightdm.so
#21 0x00007fd271dfb0d4 in QObject* KPluginFactory::createInstance<LightDMKcm, QWidget>(QWidget*, QObject*, QList<QVariant> const&) () from /usr/lib64/kde4/kcm_lightdm.so
#22 0x00007fd288be51b1 in KPluginFactory::create(char const*, QWidget*, QObject*, QList<QVariant> const&, QString const&) () from /usr/lib64/libkdecore.so.5
#23 0x00007fd28a42bd38 in create<KCModule> (parent=0xcc5c60, this=0x7ffa60, args=..., keyword=..., parentWidget=0x0) at /usr/src/debug/kdelibs-4.8.95_20120629/kdecore/util/kpluginfactory.h:531
#24 createInstance<KCModule> (error=0x7fff029e99b0, args=..., parent=0xcc5c60, parentWidget=0x0, this=0x8befa0) at /usr/src/debug/kdelibs-4.8.95_20120629/kdecore/services/kservice.h:565
#25 createInstance<KCModule> (error=0x7fff029e99b0, args=..., parent=0xcc5c60, this=0x8befa0) at /usr/src/debug/kdelibs-4.8.95_20120629/kdecore/services/kservice.h:542
#26 KCModuleLoader::loadModule (mod=..., report=KCModuleLoader::Inline, parent=0xcc5c60, args=...) at /usr/src/debug/kdelibs-4.8.95_20120629/kutils/kcmoduleloader.cpp:89
#27 0x00007fd28a430c28 in KCModuleProxyPrivate::loadModule (this=0xd77d10) at /usr/src/debug/kdelibs-4.8.95_20120629/kutils/kcmoduleproxy.cpp:106
#28 0x00007fd28a431945 in KCModuleProxy::realModule (this=<optimized out>) at /usr/src/debug/kdelibs-4.8.95_20120629/kutils/kcmoduleproxy.cpp:83
#29 0x00007fd28a431982 in KCModuleProxy::showEvent (this=0xcc5c60, ev=0x7fff029ea840) at /usr/src/debug/kdelibs-4.8.95_20120629/kutils/kcmoduleproxy.cpp:197
#30 0x00007fd2890ce8f5 in QWidget::event (this=0xcc5c60, event=0x7fff029ea840) at kernel/qwidget.cpp:8578
#31 0x00007fd28907dfe4 in notify_helper (e=0x7fff029ea840, receiver=0xcc5c60, this=0x666cd0) at kernel/qapplication.cpp:4551
#32 QApplicationPrivate::notify_helper (this=0x666cd0, receiver=0xcc5c60, e=0x7fff029ea840) at kernel/qapplication.cpp:4523
#33 0x00007fd289082db3 in QApplication::notify (this=0x7fff029ed340, receiver=0xcc5c60, e=0x7fff029ea840) at kernel/qapplication.cpp:4412
#34 0x00007fd289dc47b6 in KApplication::notify (this=0x7fff029ed340, receiver=0xcc5c60, event=0x7fff029ea840) at /usr/src/debug/kdelibs-4.8.95_20120629/kdeui/kernel/kapplication.cpp:311
#35 0x00007fd2883e5d0c in QCoreApplication::notifyInternal (this=0x7fff029ed340, receiver=0xcc5c60, event=0x7fff029ea840) at kernel/qcoreapplication.cpp:915
#36 0x00007fd2890d0d10 in sendEvent (event=0x7fff029ea840, receiver=0xcc5c60) at ../../src/corelib/kernel/qcoreapplication.h:231
#37 QWidgetPrivate::show_helper (this=0xcc3a70) at kernel/qwidget.cpp:7551
#38 0x00007fd2890d0b07 in QWidgetPrivate::showChildren (this=<optimized out>, spontaneous=false) at kernel/qwidget.cpp:7859
#39 0x00007fd2890d0bfd in QWidgetPrivate::show_helper (this=0xd6d330) at kernel/qwidget.cpp:7498
#40 0x00007fd2890d1002 in QWidget::setVisible (this=0xd70ae0, visible=<optimized out>) at kernel/qwidget.cpp:7773
#41 0x00007fd2890d0b76 in show (this=0xd70ae0) at ../../src/gui/kernel/qwidget.h:494
#42 QWidgetPrivate::showChildren (this=<optimized out>, spontaneous=false) at kernel/qwidget.cpp:7861
#43 0x00007fd2890d0bfd in QWidgetPrivate::show_helper (this=0xd6fd70) at kernel/qwidget.cpp:7498
#44 0x00007fd2890d1002 in QWidget::setVisible (this=0x646b20, visible=<optimized out>) at kernel/qwidget.cpp:7773
#45 0x00007fd2890b2899 in show (this=0x646b20) at ../../src/gui/kernel/qwidget.h:494
#46 QStackedLayout::setCurrentIndex (this=0x8bfca0, index=1) at kernel/qstackedlayout.cpp:311
#47 0x00007fd289df43f7 in KPageViewPrivate::_k_pageSelected (this=0x7b31c0, index=<optimized out>, previous=...) at /usr/src/debug/kdelibs-4.8.95_20120629/kdeui/paged/kpageview.cpp:235
#48 0x00007fd2883f9c41 in QMetaObject::activate (sender=0xcc65f0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff029ead30) at kernel/qobject.cpp:3556
#49 0x00007fd2895f6967 in QItemSelectionModel::selectionChanged (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at .moc/release-shared/moc_qitemselectionmodel.cpp:166
#50 0x00007fd2895fc7c4 in QItemSelectionModel::emitSelectionChanged (this=0xcc65f0, newSelection=..., oldSelection=...) at itemviews/qitemselectionmodel.cpp:1544
#51 0x00007fd2895fd751 in QItemSelectionModel::select (this=0xcc65f0, selection=<optimized out>, command=...) at itemviews/qitemselectionmodel.cpp:1110
#52 0x00007fd2895f899a in QItemSelectionModel::select (this=0xcc65f0, index=<optimized out>, command=...) at itemviews/qitemselectionmodel.cpp:985
#53 0x00007fd2895f6bd7 in QItemSelectionModel::setCurrentIndex (this=0xcc65f0, index=..., command=<optimized out>) at itemviews/qitemselectionmodel.cpp:1174
#54 0x00007fd289df3147 in KPageViewPrivate::_k_rebuildGui (this=0x7b31c0) at /usr/src/debug/kdelibs-4.8.95_20120629/kdeui/paged/kpageview.cpp:70
#55 0x00007fd289df4145 in KPageViewPrivate::_k_modelChanged (this=0x7b31c0) at /usr/src/debug/kdelibs-4.8.95_20120629/kdeui/paged/kpageview.cpp:190
#56 0x00007fd2883f9c41 in QMetaObject::activate (sender=0x7f24e0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3556
#57 0x00007fd289df94c0 in KPageWidgetModel::addPage (this=0x7f24e0, item=0x7c14f0) at /usr/src/debug/kdelibs-4.8.95_20120629/kdeui/paged/kpagewidgetmodel.cpp:401
#58 0x00007fd28a2098ec in ModuleView::addModule(KCModuleInfo*) () from /usr/lib64/libsystemsettingsview.so.2
#59 0x00007fd28a209d62 in ModuleView::loadModule(QModelIndex) () from /usr/lib64/libsystemsettingsview.so.2
#60 0x00007fd2722bbe28 in ?? () from /usr/lib64/kde4/icon_mode.so
#61 0x00007fd2883f9c41 in QMetaObject::activate (sender=0x648900, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff029eb700) at kernel/qobject.cpp:3556
#62 0x00007fd28959fa85 in QAbstractItemView::activated (this=<optimized out>, _t1=<optimized out>) at .moc/release-shared/moc_qabstractitemview.cpp:362
#63 0x00007fd28959ff8f in QAbstractItemView::mouseReleaseEvent (this=0x648900, event=0x7fff029ec640) at itemviews/qabstractitemview.cpp:1821
#64 0x00007fd2895bf03e in QListView::mouseReleaseEvent (this=<optimized out>, e=<optimized out>) at itemviews/qlistview.cpp:799
#65 0x00007fd289d97b9c in KCategorizedView::mouseReleaseEvent (this=0x648900, event=0x7fff029ec640) at /usr/src/debug/kdelibs-4.8.95_20120629/kdeui/itemviews/kcategorizedview.cpp:1059
#66 0x00007fd2890ce644 in QWidget::event (this=0x648900, event=0x7fff029ec640) at kernel/qwidget.cpp:8371
#67 0x00007fd28948a1d6 in QFrame::event (this=0x648900, e=0x7fff029ec640) at widgets/qframe.cpp:557
#68 0x00007fd28959e81b in QAbstractItemView::viewportEvent (this=0x648900, event=0x7fff029ec640) at itemviews/qabstractitemview.cpp:1644
#69 0x00007fd2883e5e98 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0xa6b4e0, event=0x7fff029ec640) at kernel/qcoreapplication.cpp:1025
#70 0x00007fd28907dfaf in notify_helper (e=0x7fff029ec640, receiver=0xa6b4e0, this=0x666cd0) at kernel/qapplication.cpp:4547
#71 QApplicationPrivate::notify_helper (this=0x666cd0, receiver=0xa6b4e0, e=0x7fff029ec640) at kernel/qapplication.cpp:4523
#72 0x00007fd289083683 in QApplication::notify (this=<optimized out>, receiver=0xa6b4e0, e=0x7fff029ec640) at kernel/qapplication.cpp:4094
#73 0x00007fd289dc47b6 in KApplication::notify (this=0x7fff029ed340, receiver=0xa6b4e0, event=0x7fff029ec640) at /usr/src/debug/kdelibs-4.8.95_20120629/kdeui/kernel/kapplication.cpp:311
#74 0x00007fd2883e5d0c in QCoreApplication::notifyInternal (this=0x7fff029ed340, receiver=0xa6b4e0, event=0x7fff029ec640) at kernel/qcoreapplication.cpp:915
#75 0x00007fd28907efb2 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:231
#76 QApplicationPrivate::sendMouseEvent (receiver=0xa6b4e0, event=0x7fff029ec640, alienWidget=0xa6b4e0, nativeWidget=0x8277f0, buttonDown=0xa6b4e0, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3162
#77 0x00007fd2890fadb5 in QETWidget::translateMouseEvent (this=0x8277f0, event=<optimized out>) at kernel/qapplication_x11.cpp:4513
#78 0x00007fd2890f9c7a in QApplication::x11ProcessEvent (this=0x7fff029ed340, event=0x7fff029ecf00) at kernel/qapplication_x11.cpp:3636
#79 0x00007fd289121a12 in x11EventSourceDispatch (s=0x65e470, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#80 0x00007fd28150e5dd in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#81 0x00007fd28150edd8 in ?? () from /usr/lib64/libglib-2.0.so.0
#82 0x00007fd28150efa9 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#83 0x00007fd288414dcf in QEventDispatcherGlib::processEvents (this=0x61d000, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#84 0x00007fd28912169e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#85 0x00007fd2883e4842 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#86 0x00007fd2883e4a97 in QEventLoop::exec (this=0x7fff029ed2d0, flags=...) at kernel/qeventloop.cpp:204
#87 0x00007fd2883e98b5 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#88 0x000000000040b445 in ?? ()
#89 0x00007fd287bec23d in __libc_start_main () from /lib64/libc.so.6
#90 0x000000000040b499 in _start ()

Possible duplicates by query: bug 214954.

Reported using DrKonqi