Application: systemsettings (4.11.13)
KDE Platform Version: 4.14.2
Qt Version: 4.8.6
Operating System: Linux 3.18.0-0.rc3.git3.1.fc22.x86_64 x86_64
Distribution: "Fedora release 22 (Rawhide)"

-- Information about the crash:
- What I was doing when the application crashed:
Fedora Rawhide. Clicked on Workspace Behavior in System Settings, crashes System Settings everytime.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ffe88052900 (LWP 2188))]

Thread 2 (Thread 0x7ffe5e507700 (LWP 2193)):
#0  0x00007ffe8466cbd0 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007ffe8123f45a in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQtScript.so.4
#2  0x00007ffe8123f489 in  () at /lib64/libQtScript.so.4
#3  0x00007ffe8466753a in start_thread () at /lib64/libpthread.so.0
#4  0x00007ffe83b702fd in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7ffe88052900 (LWP 2188)):
[KCrash Handler]
#5  0x00007ffe84a1d157 in QObject::setProperty(char const*, QVariant const&) () at /lib64/libQtCore.so.4
#6  0x00007ffe5e510e52 in MainConfigurationWidget::MainConfigurationWidget(QWidget*, QList<QVariant>) () at /usr/lib64/kde4/kcm_activities.so
#7  0x00007ffe5e512c50 in QObject* KPluginFactory::createInstance<MainConfigurationWidget, QWidget>(QWidget*, QObject*, QList<QVariant> const&) () at /usr/lib64/kde4/kcm_activities.so
#8  0x00007ffe8520d433 in KPluginFactory::create(char const*, QWidget*, QObject*, QList<QVariant> const&, QString const&) () at /lib64/libkdecore.so.5
#9  0x00007ffe872759f8 in KCModuleLoader::loadModule(KCModuleInfo const&, KCModuleLoader::ErrorReporting, QWidget*, QStringList const&) () at /lib64/libkcmutils.so.4
#10 0x00007ffe8727b9cb in KCModuleProxyPrivate::loadModule() () at /lib64/libkcmutils.so.4
#11 0x00007ffe8727c6b5 in KCModuleProxy::realModule() const () at /lib64/libkcmutils.so.4
#12 0x00007ffe8727cab3 in KCModuleProxy::showEvent(QShowEvent*) () at /lib64/libkcmutils.so.4
#13 0x00007ffe856f1118 in QWidget::event(QEvent*) () at /lib64/libQtGui.so.4
#14 0x00007ffe8569defc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQtGui.so.4
#15 0x00007ffe856a4958 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQtGui.so.4
#16 0x00007ffe86669a1a in KApplication::notify(QObject*, QEvent*) () at /lib64/libkdeui.so.5
#17 0x00007ffe84a0270d in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQtCore.so.4
#18 0x00007ffe856ee584 in QWidgetPrivate::show_helper() () at /lib64/libQtGui.so.4
#19 0x00007ffe856ee3aa in QWidgetPrivate::showChildren(bool) () at /lib64/libQtGui.so.4
#20 0x00007ffe856ee46f in QWidgetPrivate::show_helper() () at /lib64/libQtGui.so.4
#21 0x00007ffe856f04aa in QWidget::setVisible(bool) () at /lib64/libQtGui.so.4
#22 0x00007ffe856ee3be in QWidgetPrivate::showChildren(bool) () at /lib64/libQtGui.so.4
#23 0x00007ffe856ee46f in QWidgetPrivate::show_helper() () at /lib64/libQtGui.so.4
#24 0x00007ffe856f04aa in QWidget::setVisible(bool) () at /lib64/libQtGui.so.4
#25 0x00007ffe856d2966 in QStackedLayout::setCurrentIndex(int) () at /lib64/libQtGui.so.4
#26 0x00007ffe8669ca56 in KPageViewPrivate::_k_pageSelected(QItemSelection const&, QItemSelection const&) () at /lib64/libkdeui.so.5
#27 0x00007ffe84a1725c in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /lib64/libQtCore.so.4
#28 0x00007ffe85c17db7 in QItemSelectionModel::selectionChanged(QItemSelection const&, QItemSelection const&) () at /lib64/libQtGui.so.4
#29 0x00007ffe85c1d6de in QItemSelectionModel::emitSelectionChanged(QItemSelection const&, QItemSelection const&) () at /lib64/libQtGui.so.4
#30 0x00007ffe85c1df6b in QItemSelectionModel::select(QItemSelection const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /lib64/libQtGui.so.4
#31 0x00007ffe85c18d78 in QItemSelectionModel::select(QModelIndex const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /lib64/libQtGui.so.4
#32 0x00007ffe85c180b2 in QItemSelectionModel::setCurrentIndex(QModelIndex const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /lib64/libQtGui.so.4
#33 0x00007ffe8669ba7b in KPageViewPrivate::_k_rebuildGui() () at /lib64/libkdeui.so.5
#34 0x00007ffe8669c655 in KPageViewPrivate::_k_modelChanged() () at /lib64/libkdeui.so.5
#35 0x00007ffe84a1725c in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /lib64/libQtCore.so.4
#36 0x00007ffe866a19c8 in KPageWidgetModel::addPage(KPageWidgetItem*) () at /lib64/libkdeui.so.5
#37 0x00007ffe87052824 in ModuleView::addModule(KCModuleInfo*) () at /lib64/libsystemsettingsview.so.2
#38 0x00007ffe87052c40 in ModuleView::loadModule(QModelIndex) () at /lib64/libsystemsettingsview.so.2
#39 0x00007ffe5f2e38f8 in IconMode::changeModule(QModelIndex const&) () at /usr/lib64/kde4/icon_mode.so
#40 0x00007ffe84a1725c in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () at /lib64/libQtCore.so.4
#41 0x00007ffe85bc2025 in QAbstractItemView::activated(QModelIndex const&) () at /lib64/libQtGui.so.4
#42 0x00007ffe85bc22e8 in QAbstractItemView::mouseReleaseEvent(QMouseEvent*) () at /lib64/libQtGui.so.4
#43 0x00007ffe85bed9ee in QListView::mouseReleaseEvent(QMouseEvent*) () at /lib64/libQtGui.so.4
#44 0x00007ffe866418c9 in KCategorizedView::mouseReleaseEvent(QMouseEvent*) () at /lib64/libkdeui.so.5
#45 0x00007ffe856f1118 in QWidget::event(QEvent*) () at /lib64/libQtGui.so.4
#46 0x00007ffe85ab031e in QFrame::event(QEvent*) () at /lib64/libQtGui.so.4
#47 0x00007ffe85bcbe43 in QAbstractItemView::viewportEvent(QEvent*) () at /lib64/libQtGui.so.4
#48 0x00007ffe84a02876 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /lib64/libQtCore.so.4
#49 0x00007ffe8569dedc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQtGui.so.4
#50 0x00007ffe856a4abf in QApplication::notify(QObject*, QEvent*) () at /lib64/libQtGui.so.4
#51 0x00007ffe86669a1a in KApplication::notify(QObject*, QEvent*) () at /lib64/libkdeui.so.5
#52 0x00007ffe84a0270d in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQtCore.so.4
#53 0x00007ffe856a411f in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /lib64/libQtGui.so.4
#54 0x00007ffe8571a532 in QETWidget::translateMouseEvent(_XEvent const*) () at /lib64/libQtGui.so.4
#55 0x00007ffe85718f2c in QApplication::x11ProcessEvent(_XEvent*) () at /lib64/libQtGui.so.4
#56 0x00007ffe85740fb4 in x11EventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQtGui.so.4
#57 0x00007ffe7ac2cdfb in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#58 0x00007ffe7ac2d198 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#59 0x00007ffe7ac2d24c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#60 0x00007ffe84a31a1e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQtCore.so.4
#61 0x00007ffe85741136 in QGuiEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQtGui.so.4
#62 0x00007ffe84a01261 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQtCore.so.4
#63 0x00007ffe84a015c5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQtCore.so.4
#64 0x00007ffe84a06ca9 in QCoreApplication::exec() () at /lib64/libQtCore.so.4
#65 0x000000000040a97f in main ()

Reported using DrKonqi