Application: systemsettings (1.0)
KDE Platform Version: 4.5.2 (KDE 4.5.2) (Compiled from sources)
Qt Version: 4.7.0
Operating System: Linux 2.6.35.6-39.fc14.x86_64 x86_64
Distribution: "Fedora release 14 (Laughlin)"

-- Information about the crash:
after install Fedora 14 beta and reboot, I installed all updates and rebooted, open System Parameters (don't know how it names in english, I have russian 'Параметры системы'), open 'Enter to system' ('Вход в систему') - this icon at the bottom in system administration area, and crash occurs

The crash can be reproduced every time.

-- Backtrace:
Application: Параметры системы (systemsettings), signal: Segmentation fault
[Current thread is 1 (Thread 0x7febbaf54840 (LWP 8321))]

Thread 2 (Thread 0x7feb8d35d710 (LWP 8409)):
#0  0x00007febb71e4242 in __libc_disable_asynccancel () from /lib64/libc.so.6
#1  0x00007febb71cb587 in poll () from /lib64/libc.so.6
#2  0x00007febb374d374 in g_main_context_poll (context=0x13f0c40, block=1, dispatch=1, self=<value optimized out>) at gmain.c:3093
#3  g_main_context_iterate (context=0x13f0c40, block=1, dispatch=1, self=<value optimized out>) at gmain.c:2775
#4  0x00007febb374dc82 in g_main_loop_run (loop=0x13f0d20) at gmain.c:2988
#5  0x00007feb872c4774 in gdbus_shared_thread_func (data=<value optimized out>) at gdbusprivate.c:277
#6  0x00007febb3774446 in g_thread_create_proxy (data=0x13f0d40) at gthread.c:1897
#7  0x00007febb7c3ad5b in start_thread () from /lib64/libpthread.so.0
#8  0x00007febb71d4f6d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7febbaf54840 (LWP 8321)):
[KCrash Handler]
#6  0x00007febb9bbb4fc in KCModule::setNeedsAuthorization (this=0x16a6080, needsAuth=<value optimized out>) at /usr/src/debug/kdelibs-4.5.2/kdeui/widgets/kcmodule.cpp:141
#7  0x00007feb87dea944 in KDModule::KDModule (this=<value optimized out>, parent=<value optimized out>) at /usr/src/debug/kdebase-workspace-4.5.2/kcontrol/kdm/main.cpp:275
#8  0x00007feb87dec974 in QObject* KPluginFactory::createInstance<KDModule, QWidget>(QWidget*, QObject*, QList<QVariant> const&) () from /usr/lib64/kde4/kcm_kdm.so
#9  0x00007febb8764f19 in KPluginFactory::create (this=0x1429980, iface=0x7febb9c7ea00 "KCModule", parentWidget=0x0, parent=0x173f360, args=..., keyword=<value optimized out>) at /usr/src/debug/kdelibs-4.5.2/kdecore/util/kpluginfactory.cpp:191
#10 0x00007febba6b10f4 in create<KCModule> (mod=..., report=KCModuleLoader::Inline, parent=0x173f360, args=...) at /usr/src/debug/kdelibs-4.5.2/kdecore/util/kpluginfactory.h:515
#11 createInstance<KCModule> (mod=..., report=KCModuleLoader::Inline, parent=0x173f360, args=...) at /usr/src/debug/kdelibs-4.5.2/kdecore/services/kservice.h:532
#12 createInstance<KCModule> (mod=..., report=KCModuleLoader::Inline, parent=0x173f360, args=...) at /usr/src/debug/kdelibs-4.5.2/kdecore/services/kservice.h:509
#13 createInstance<KCModule> (mod=..., report=KCModuleLoader::Inline, parent=0x173f360, args=...) at /usr/src/debug/kdelibs-4.5.2/kdecore/services/kservice.h:552
#14 KCModuleLoader::loadModule (mod=..., report=KCModuleLoader::Inline, parent=0x173f360, args=...) at /usr/src/debug/kdelibs-4.5.2/kutils/kcmoduleloader.cpp:89
#15 0x00007febba6b5bf9 in KCModuleProxyPrivate::loadModule (this=0x166b0d0) at /usr/src/debug/kdelibs-4.5.2/kutils/kcmoduleproxy.cpp:106
#16 0x00007febba6b6845 in KCModuleProxy::realModule (this=<value optimized out>) at /usr/src/debug/kdelibs-4.5.2/kutils/kcmoduleproxy.cpp:83
#17 0x00007febba48ed6c in ModuleView::stateChanged (this=0x11b58f0) at /usr/src/debug/kdebase-workspace-4.5.2/systemsettings/core/ModuleView.cpp:374
#18 0x00007febba490578 in ModuleView::qt_metacall (this=0x11b58f0, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0x7fff69b71f40) at /usr/src/debug/kdebase-workspace-4.5.2/x86_64-redhat-linux-gnu/systemsettings/core/ModuleView.moc:99
#19 0x00007febb7fc103f in QMetaObject::activate (sender=0x11b5dd0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff69b71f40) at kernel/qobject.cpp:3272
#20 0x00007febb9b4cc68 in KPageWidget::currentPageChanged (this=<value optimized out>, _t1=0x12f7b20, _t2=0x0) at /usr/src/debug/kdelibs-4.5.2/x86_64-redhat-linux-gnu/kdeui/kpagewidget.moc:96
#21 0x00007febb9b4cde8 in KPageWidget::qt_metacall (this=0x11b5dd0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff69b72060) at /usr/src/debug/kdelibs-4.5.2/x86_64-redhat-linux-gnu/kdeui/kpagewidget.moc:84
#22 0x00007febb7fc103f in QMetaObject::activate (sender=0x11b5dd0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff69b72060) at kernel/qobject.cpp:3272
#23 0x00007febb9b494c7 in KPageView::currentPageChanged (this=<value optimized out>, _t1=<value optimized out>, _t2=<value optimized out>) at /usr/src/debug/kdelibs-4.5.2/x86_64-redhat-linux-gnu/kdeui/kpageview.moc:140
#24 0x00007febb9b49a33 in KPageViewPrivate::_k_pageSelected (this=0x11bbd10, index=<value optimized out>, previous=<value optimized out>) at /usr/src/debug/kdelibs-4.5.2/kdeui/paged/kpageview.cpp:244
#25 0x00007febb9b49bf2 in KPageView::qt_metacall (this=0x11b5dd0, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0x7fff69b72280) at /usr/src/debug/kdelibs-4.5.2/x86_64-redhat-linux-gnu/kdeui/kpageview.moc:100
#26 0x00007febb9b4cdb0 in KPageWidget::qt_metacall (this=0x11b5dd0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff69b72280) at /usr/src/debug/kdelibs-4.5.2/x86_64-redhat-linux-gnu/kdeui/kpagewidget.moc:76
#27 0x00007febb7fc103f in QMetaObject::activate (sender=0x14bcdb0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff69b72280) at kernel/qobject.cpp:3272
#28 0x00007febb9121137 in QItemSelectionModel::selectionChanged (this=<value optimized out>, _t1=<value optimized out>, _t2=<value optimized out>) at .moc/release-shared/moc_qitemselectionmodel.cpp:152
#29 0x00007febb9127d17 in QItemSelectionModel::emitSelectionChanged (this=0x14bcdb0, newSelection=..., oldSelection=...) at itemviews/qitemselectionmodel.cpp:1525
#30 0x00007febb9127fa8 in QItemSelectionModel::select (this=0x14bcdb0, selection=<value optimized out>, command=<value optimized out>) at itemviews/qitemselectionmodel.cpp:1088
#31 0x00007febb9122f61 in QItemSelectionModel::select (this=0x14bcdb0, index=<value optimized out>, command=...) at itemviews/qitemselectionmodel.cpp:976
#32 0x00007febb9121397 in QItemSelectionModel::setCurrentIndex (this=0x14bcdb0, index=..., command=<value optimized out>) at itemviews/qitemselectionmodel.cpp:1155
#33 0x00007febb9b486e0 in KPageViewPrivate::_k_rebuildGui (this=0x11bbd10) at /usr/src/debug/kdelibs-4.5.2/kdeui/paged/kpageview.cpp:70
#34 0x00007febb9b49755 in KPageViewPrivate::_k_modelChanged (this=0x11bbd10) at /usr/src/debug/kdelibs-4.5.2/kdeui/paged/kpageview.cpp:190
#35 0x00007febb9b49c02 in KPageView::qt_metacall (this=0x11b5dd0, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0x7fff69b727a0) at /usr/src/debug/kdelibs-4.5.2/x86_64-redhat-linux-gnu/kdeui/kpageview.moc:99
#36 0x00007febb9b4cdb0 in KPageWidget::qt_metacall (this=0x11b5dd0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff69b727a0) at /usr/src/debug/kdelibs-4.5.2/x86_64-redhat-linux-gnu/kdeui/kpagewidget.moc:76
#37 0x00007febb7fc103f in QMetaObject::activate (sender=0x11b45c0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3272
#38 0x00007febb9b4de82 in KPageWidgetModel::addPage (this=0x11b45c0, item=0x12f7b20) at /usr/src/debug/kdelibs-4.5.2/kdeui/paged/kpagewidgetmodel.cpp:394
#39 0x00007febba48f325 in ModuleView::addModule (this=0x11b58f0, module=0x11c5ac8) at /usr/src/debug/kdebase-workspace-4.5.2/systemsettings/core/ModuleView.cpp:220
#40 0x00007febba48fb10 in ModuleView::loadModule (this=0x11b58f0, menuItem=<value optimized out>) at /usr/src/debug/kdebase-workspace-4.5.2/systemsettings/core/ModuleView.cpp:174
#41 0x00007feba008b4f0 in IconMode::changeModule (this=0x113ada0, activeModule=...) at /usr/src/debug/kdebase-workspace-4.5.2/systemsettings/icons/IconMode.cpp:133
#42 0x00007feba008b851 in IconMode::qt_metacall (this=0x113ada0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff69b72e20) at /usr/src/debug/kdebase-workspace-4.5.2/x86_64-redhat-linux-gnu/systemsettings/icons/IconMode.moc:80
#43 0x00007febb7fc103f in QMetaObject::activate (sender=0x118f1d0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff69b72e20) at kernel/qobject.cpp:3272
#44 0x00007febb90ceac5 in QAbstractItemView::activated (this=<value optimized out>, _t1=<value optimized out>) at .moc/release-shared/moc_qabstractitemview.cpp:345
#45 0x00007febb90cefbd in QAbstractItemView::mouseReleaseEvent (this=0x118f1d0, event=<value optimized out>) at itemviews/qabstractitemview.cpp:1796
#46 0x00007febb90e943e in QListView::mouseReleaseEvent (this=<value optimized out>, e=<value optimized out>) at itemviews/qlistview.cpp:796
#47 0x00007febb9ae7302 in KCategorizedView::mouseReleaseEvent (this=0x118f1d0, event=0x7fff69b73e50) at /usr/src/debug/kdelibs-4.5.2/kdeui/itemviews/kcategorizedview.cpp:1031
#48 0x00007febb8c17228 in QWidget::event (this=0x118f1d0, event=0x7fff69b73e50) at kernel/qwidget.cpp:8187
#49 0x00007febb8fbb3d6 in QFrame::event (this=0x118f1d0, e=0x7fff69b73e50) at widgets/qframe.cpp:557
#50 0x00007febb90cbd43 in QAbstractItemView::viewportEvent (this=0x118f1d0, event=0x7fff69b73e50) at itemviews/qabstractitemview.cpp:1619
#51 0x00007febb7fac947 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x11b9ee0, event=0x7fff69b73e50) at kernel/qcoreapplication.cpp:847
#52 0x00007febb8bc5b31 in QApplicationPrivate::notify_helper (this=0xf68820, receiver=0x11b9ee0, e=0x7fff69b73e50) at kernel/qapplication.cpp:4392
#53 0x00007febb8bcae5a in QApplication::notify (this=<value optimized out>, receiver=0x11b9ee0, e=0x7fff69b73e50) at kernel/qapplication.cpp:3959
#54 0x00007febb9b12416 in KApplication::notify (this=0x7fff69b74b60, receiver=0x11b9ee0, event=0x7fff69b73e50) at /usr/src/debug/kdelibs-4.5.2/kdeui/kernel/kapplication.cpp:310
#55 0x00007febb7fac7bc in QCoreApplication::notifyInternal (this=0x7fff69b74b60, receiver=0x11b9ee0, event=0x7fff69b73e50) at kernel/qcoreapplication.cpp:732
#56 0x00007febb8bc6b65 in sendEvent (receiver=0x11b9ee0, event=0x7fff69b73e50, alienWidget=0x11b9ee0, nativeWidget=0x118f1d0, buttonDown=0x7febb9698078, lastMouseReceiver=..., spontaneous=true) at ../../src/corelib/kernel/qcoreapplication.h:215
#57 QApplicationPrivate::sendMouseEvent (receiver=0x11b9ee0, event=0x7fff69b73e50, alienWidget=0x11b9ee0, nativeWidget=0x118f1d0, buttonDown=0x7febb9698078, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3058
#58 0x00007febb8c43dd8 in QETWidget::translateMouseEvent (this=0x118f1d0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4403
#59 0x00007febb8c42529 in QApplication::x11ProcessEvent (this=0x7fff69b74b60, event=0x7fff69b747a0) at kernel/qapplication_x11.cpp:3536
#60 0x00007febb8c69b12 in x11EventSourceDispatch (s=0xf6c120, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#61 0x00007febb374ce33 in g_main_dispatch (context=0xf6b120) at gmain.c:2149
#62 g_main_context_dispatch (context=0xf6b120) at gmain.c:2702
#63 0x00007febb374d610 in g_main_context_iterate (context=0xf6b120, block=1, dispatch=1, self=<value optimized out>) at gmain.c:2780
#64 0x00007febb374d8ad in g_main_context_iteration (context=0xf6b120, may_block=1) at gmain.c:2843
#65 0x00007febb7fd78df in QEventDispatcherGlib::processEvents (this=0xf40cf0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#66 0x00007febb8c697ae in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#67 0x00007febb7fabb52 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#68 0x00007febb7fabd9c in QEventLoop::exec (this=0x7fff69b74ab0, flags=...) at kernel/qeventloop.cpp:201
#69 0x00007febb7fb021b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#70 0x00000000004116b9 in main (argc=1, argv=0x7fff69b74e28) at /usr/src/debug/kdebase-workspace-4.5.2/systemsettings/app/main.cpp:49

Possible duplicates by query: bug 249039, bug 240906.

Reported using DrKonqi