Bug 256499

Application: systemsettings (1.0)
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-22-generic-pae i686
Distribution: Ubuntu 10.10

-- Information about the crash:
- What I was doing when the application crashed

I tried to launch the login screen manager ot the login manager

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7712710 (LWP 2098))]

Thread 2 (Thread 0xb44afb70 (LWP 2099)):
#0  0x00831416 in __kernel_vsyscall ()
#1  0x0370bde6 in poll () from /lib/libc.so.6
#2  0x03978a1b in g_poll () from /lib/libglib-2.0.so.0
#3  0x0396b43c in ?? () from /lib/libglib-2.0.so.0
#4  0x0396b848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#5  0x01fce59f in QEventDispatcherGlib::processEvents (this=0x8dbbb90, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#6  0x01f9e609 in QEventLoop::processEvents (this=0xb44af290, flags=) at kernel/qeventloop.cpp:149
#7  0x01f9ea8a in QEventLoop::exec (this=0xb44af290, flags=...) at kernel/qeventloop.cpp:201
#8  0x01e9ab7e in QThread::exec (this=0x8db99a0) at thread/qthread.cpp:490
#9  0x01f7d35b in QInotifyFileSystemWatcherEngine::run (this=0x8db99a0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x01e9ddf9 in QThreadPrivate::start (arg=0x8db99a0) at thread/qthread_unix.cpp:266
#11 0x00190cc9 in start_thread () from /lib/libpthread.so.0
#12 0x0371a6ae in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb7712710 (LWP 2098)):
[KCrash Handler]
#7  0x004e6bfb in KCModule::setNeedsAuthorization (this=0x8e6ab58, needsAuth=true) at ../../kdeui/widgets/kcmodule.cpp:141
#8  0x0238c869 in KDModule::KDModule (this=0x8e6ab58, parent=0x901e458) at ../../../kcontrol/kdm/main.cpp:275
#9  0x023904fd in QObject* KPluginFactory::createInstance<KDModule, QWidget>(QWidget*, QObject*, QList<QVariant> const&) () from /usr/lib/kde4/kcm_kdm.so
#10 0x00a60760 in KPluginFactory::create (this=0x8f82e38, iface=0x5d0aa0 "KCModule", parentWidget=0x0, parent=0x901e458, args=..., keyword=...) at ../../kdecore/util/kpluginfactory.cpp:191
#11 0x00b4bae8 in create<KCModule> (mod=..., report=KCModuleLoader::Inline, parent=0x901e458, args=...) at ../../kdecore/util/kpluginfactory.h:515
#12 createInstance<KCModule> (mod=..., report=KCModuleLoader::Inline, parent=0x901e458, args=...) at ../../kdecore/services/kservice.h:532
#13 createInstance<KCModule> (mod=..., report=KCModuleLoader::Inline, parent=0x901e458, args=...) at ../../kdecore/services/kservice.h:509
#14 createInstance<KCModule> (mod=..., report=KCModuleLoader::Inline, parent=0x901e458, args=...) at ../../kdecore/services/kservice.h:552
#15 KCModuleLoader::loadModule (mod=..., report=KCModuleLoader::Inline, parent=0x901e458, args=...) at ../../kutils/kcmoduleloader.cpp:89
#16 0x00b511fd in KCModuleProxyPrivate::loadModule (this=0x9155068) at ../../kutils/kcmoduleproxy.cpp:106
#17 0x00b51ef3 in KCModuleProxy::realModule (this=0x901e458) at ../../kutils/kcmoduleproxy.cpp:83
#18 0x00bb6a06 in ModuleView::stateChanged (this=0x8cb55f0) at ../../../systemsettings/core/ModuleView.cpp:374
#19 0x00bb6bb1 in ModuleView::activeModuleChanged (this=0x8cb55f0, current=0x9044610, previous=0x0) at ../../../systemsettings/core/ModuleView.cpp:361
#20 0x00bb8a30 in ModuleView::qt_metacall (this=0x8cb55f0, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbfd7ac24) at ./ModuleView.moc:99
#21 0x01fa58ca in QMetaObject::metacall (object=0x8cb55f0, cl=58348480, idx=35, argv=0xbfd7ac24) at kernel/qmetaobject.cpp:237
#22 0x01fb86ad in QMetaObject::activate (sender=0x8c7e3c8, m=0x5eeb70, local_signal_index=0, argv=0x9506470) at kernel/qobject.cpp:3280
#23 0x00465c39 in KPageWidget::currentPageChanged (this=0x8c7e3c8, _t1=0x9044610, _t2=0x0) at ./kpagewidget.moc:96
#24 0x00465d72 in KPageWidgetPrivate::_k_slotCurrentPageChanged (this=0x8cb5220, current=..., before=...) at ../../kdeui/paged/kpagewidget.cpp:43
#25 0x00465e31 in KPageWidget::qt_metacall (this=0x8c7e3c8, _c=QMetaObject::InvokeMetaMethod, _id=35, _a=0xbfd7ad94) at ./kpagewidget.moc:84
#26 0x01fa58ca in QMetaObject::metacall (object=0x8c7e3c8, cl=58348480, idx=35, argv=0xbfd7ad94) at kernel/qmetaobject.cpp:237
#27 0x01fb86ad in QMetaObject::activate (sender=0x8c7e3c8, m=0x5ee04c, local_signal_index=0, argv=0x9506470) at kernel/qobject.cpp:3280
#28 0x0045fde9 in KPageView::currentPageChanged (this=0x8c7e3c8, _t1=..., _t2=...) at ./kpageview.moc:140
#29 0x00461792 in KPageViewPrivate::_k_pageSelected (this=0x8cb5220, index=..., previous=...) at ../../kdeui/paged/kpageview.cpp:244
#30 0x00461a07 in KPageView::qt_metacall (this=0x8c7e3c8, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0xbfd7af84) at ./kpageview.moc:100
#31 0x00465dea in KPageWidget::qt_metacall (this=0x8c7e3c8, _c=QMetaObject::InvokeMetaMethod, _id=30, _a=0xbfd7af84) at ./kpagewidget.moc:76
#32 0x01fa58ca in QMetaObject::metacall (object=0x8c7e3c8, cl=58348480, idx=30, argv=0xbfd7af84) at kernel/qmetaobject.cpp:237
#33 0x01fb86ad in QMetaObject::activate (sender=0x8fc54c0, m=0x1675a50, local_signal_index=0, argv=0x9506470) at kernel/qobject.cpp:3280
#34 0x01314369 in QItemSelectionModel::selectionChanged (this=0x8fc54c0, _t1=..., _t2=...) at .moc/release-shared/moc_qitemselectionmodel.cpp:152
#35 0x013175b0 in QItemSelectionModel::emitSelectionChanged (this=0x8fc54c0, newSelection=..., oldSelection=...) at itemviews/qitemselectionmodel.cpp:1525
#36 0x01318d44 in QItemSelectionModel::select (this=0x8fc54c0, selection=..., command=...) at itemviews/qitemselectionmodel.cpp:1088
#37 0x01315d30 in QItemSelectionModel::select (this=0x8fc54c0, index=..., command=...) at itemviews/qitemselectionmodel.cpp:976
#38 0x013145d4 in QItemSelectionModel::setCurrentIndex (this=0x8fc54c0, index=..., command=...) at itemviews/qitemselectionmodel.cpp:1155
#39 0x00460df9 in KPageViewPrivate::_k_rebuildGui (this=0x8cb5220) at ../../kdeui/paged/kpageview.cpp:70
#40 0x00461548 in KPageViewPrivate::_k_modelChanged (this=0x8cb5220) at ../../kdeui/paged/kpageview.cpp:190
#41 0x00461a1e in KPageView::qt_metacall (this=0x8c7e3c8, _c=QMetaObject::InvokeMetaMethod, _id=2, _a=0xbfd7b37c) at ./kpageview.moc:99
#42 0x00465dea in KPageWidget::qt_metacall (this=0x8c7e3c8, _c=QMetaObject::InvokeMetaMethod, _id=29, _a=0xbfd7b37c) at ./kpagewidget.moc:76
#43 0x01fa58ca in QMetaObject::metacall (object=0x8c7e3c8, cl=58348480, idx=29, argv=0xbfd7b37c) at kernel/qmetaobject.cpp:237
#44 0x01fb86ad in QMetaObject::activate (sender=0x8cb49e0, m=0x20d2198, local_signal_index=2, argv=0x9506470) at kernel/qobject.cpp:3280
#45 0x020094a7 in QAbstractItemModel::layoutChanged (this=0x8cb49e0) at .moc/release-shared/moc_qabstractitemmodel.cpp:161
#46 0x00467c1c in KPageWidgetModel::addPage (this=0x8cb49e0, item=0x9044610) at ../../kdeui/paged/kpagewidgetmodel.cpp:394
#47 0x004660aa in KPageWidget::addPage (this=0x8c7e3c8, item=0x9044610) at ../../kdeui/paged/kpagewidget.cpp:87
#48 0x00bb7147 in ModuleView::addModule (this=0x8cb55f0, module=0x8cb483c) at ../../../systemsettings/core/ModuleView.cpp:220
#49 0x00bb8187 in ModuleView::loadModule (this=0x8cb55f0, menuItem=...) at ../../../systemsettings/core/ModuleView.cpp:174
#50 0x05cee59a in IconMode::changeModule (this=0x8c5e3d8, activeModule=...) at ../../../systemsettings/icons/IconMode.cpp:133
#51 0x05cee65d in IconMode::qt_metacall (this=0x8c5e3d8, _c=QMetaObject::InvokeMetaMethod, _id=12, _a=0xbfd7b7a8) at ./IconMode.moc:80
#52 0x01fa58ca in QMetaObject::metacall (object=0x8c5e3d8, cl=58348480, idx=12, argv=0xbfd7b7a8) at kernel/qmetaobject.cpp:237
#53 0x01fb86ad in QMetaObject::activate (sender=0x8a16ac8, m=0x1674d64, local_signal_index=3, argv=0x9506470) at kernel/qobject.cpp:3280
#54 0x012b2093 in QAbstractItemView::activated (this=0x8a16ac8, _t1=...) at .moc/release-shared/moc_qabstractitemview.cpp:345
#55 0x012c2620 in QAbstractItemView::mouseReleaseEvent (this=0x8a16ac8, event=0xbfd7c2a0) at itemviews/qabstractitemview.cpp:1796
#56 0x012d856f in QListView::mouseReleaseEvent (this=0x8a16ac8, e=0xbfd7c2a0) at itemviews/qlistview.cpp:796
#57 0x003f080a in KCategorizedView::mouseReleaseEvent (this=0x8a16ac8, event=0xbfd7c2a0) at ../../kdeui/itemviews/kcategorizedview.cpp:1031
#58 0x00d47e08 in QWidget::event (this=0x8a16ac8, event=0xbfd7c2a0) at kernel/qwidget.cpp:8187
#59 0x01169763 in QFrame::event (this=0x8a16ac8, e=0xbfd7c2a0) at widgets/qframe.cpp:557
#60 0x01206a82 in QAbstractScrollArea::viewportEvent (this=0x37a53c0, e=0x0) at widgets/qabstractscrollarea.cpp:1043
#61 0x012c30f7 in QAbstractItemView::viewportEvent (this=0x8a16ac8, event=0xbfd7c2a0) at itemviews/qabstractitemview.cpp:1619
#62 0x012094d5 in viewportEvent (this=0x8a16b30, o=0x8a0a538, e=0xbfd7c2a0) at widgets/qabstractscrollarea_p.h:100
#63 QAbstractScrollAreaFilter::eventFilter (this=0x8a16b30, o=0x8a0a538, e=0xbfd7c2a0) at widgets/qabstractscrollarea_p.h:116
#64 0x01f9f29a in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x8a18c40, receiver=0x8a0a538, event=0xbfd7c2a0) at kernel/qcoreapplication.cpp:847
#65 0x00ce9fb9 in QApplicationPrivate::notify_helper (this=0x8a18c40, receiver=0x8a0a538, e=0xbfd7c2a0) at kernel/qapplication.cpp:4392
#66 0x00cf0c2e in QApplication::notify (this=0xbfd7cb5c, receiver=0x8a0a538, e=0xbfd7c2a0) at kernel/qapplication.cpp:3959
#67 0x0041d68a in KApplication::notify (this=0xbfd7cb5c, receiver=0x8a0a538, event=0xbfd7c2a0) at ../../kdeui/kernel/kapplication.cpp:310
#68 0x01f9fb3b in QCoreApplication::notifyInternal (this=0xbfd7cb5c, receiver=0x8a0a538, event=0xbfd7c2a0) at kernel/qcoreapplication.cpp:732
#69 0x00cef094 in sendEvent (receiver=0x8a0a538, event=0xbfd7c2a0, alienWidget=0x8a0a538, nativeWidget=0x8a16ac8, buttonDown=0x16843c0, lastMouseReceiver=..., spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#70 QApplicationPrivate::sendMouseEvent (receiver=0x8a0a538, event=0xbfd7c2a0, alienWidget=0x8a0a538, nativeWidget=0x8a16ac8, buttonDown=0x16843c0, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3058
#71 0x00d7dd10 in QETWidget::translateMouseEvent (this=0x8a16ac8, event=0xbfd7c7bc) at kernel/qapplication_x11.cpp:4403
#72 0x00d7d151 in QApplication::x11ProcessEvent (this=0xbfd7cb5c, event=0xbfd7c7bc) at kernel/qapplication_x11.cpp:3414
#73 0x00dac36a in x11EventSourceDispatch (s=0x8a1bde8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#74 0x03967855 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#75 0x0396b668 in ?? () from /lib/libglib-2.0.so.0
#76 0x0396b848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#77 0x01fce565 in QEventDispatcherGlib::processEvents (this=0x89f39d0, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#78 0x00dabbe5 in QGuiEventDispatcherGlib::processEvents (this=0x89f39d0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#79 0x01f9e609 in QEventLoop::processEvents (this=0xbfd7cab4, flags=) at kernel/qeventloop.cpp:149
#80 0x01f9ea8a in QEventLoop::exec (this=0xbfd7cab4, flags=...) at kernel/qeventloop.cpp:201
#81 0x01fa300f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#82 0x00ce8e07 in QApplication::exec () at kernel/qapplication.cpp:3672
#83 0x0805731e in main (argc=5, argv=0xbfd7cca4) at ../../../systemsettings/app/main.cpp:49

Possible duplicates by query: bug 255988, bug 255616, bug 254385, bug 254026, bug 253949.

Reported using DrKonqi