Application: systemsettings5 (5.3.0)

Qt Version: 5.4.1
Operating System: Linux 3.16.7-21-desktop x86_64
Distribution: "openSUSE 13.2 (Harlequin) (x86_64)"

-- Information about the crash:
When changing a setting in sytemsettings5 (e.g. selecting a different icon set in kcm_icons), but not pressing "apply" before leaving the section, the application crashes.

The crash can be reproduced every time.

-- Backtrace:
Application: Systemeinstellungen (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5763ade780 (LWP 4546))]

Thread 2 (Thread 0x7f5751826700 (LWP 4547)):
#0  0x00007f575f93ec3d in poll () at /lib64/libc.so.6
#1  0x00007f575d44f322 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f575d450def in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f5753daebd9 in  () at /usr/lib64/qt5/plugins/platforms/libqxcb.so
#4  0x00007f575ffb87cf in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f575bccc0a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f575f94706d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f5763ade780 (LWP 4546)):
[KCrash Handler]
#5  0x00007f572ca349bc in  () at /usr/lib64/libQtGui.so.4
#6  0x00007f576392c92a in call_init.part () at /lib64/ld-linux-x86-64.so.2
#7  0x00007f576392ca13 in _dl_init_internal () at /lib64/ld-linux-x86-64.so.2
#8  0x00007f5763930b48 in dl_open_worker () at /lib64/ld-linux-x86-64.so.2
#9  0x00007f576392c7e4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#10 0x00007f576393033b in _dl_open () at /lib64/ld-linux-x86-64.so.2
#11 0x00007f5759da302b in dlopen_doit () at /lib64/libdl.so.2
#12 0x00007f576392c7e4 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#13 0x00007f5759da35dd in _dlerror_run () at /lib64/libdl.so.2
#14 0x00007f5759da30c1 in dlopen@@GLIBC_2.2.5 () at /lib64/libdl.so.2
#15 0x00007f57328b759f in  () at /usr/lib64/libvlccore.so.7
#16 0x00007f57328a0d5d in  () at /usr/lib64/libvlccore.so.7
#17 0x00007f57328a1057 in  () at /usr/lib64/libvlccore.so.7
#18 0x00007f57328a12c9 in  () at /usr/lib64/libvlccore.so.7
#19 0x00007f57328a1534 in  () at /usr/lib64/libvlccore.so.7
#20 0x00007f57328a1a87 in  () at /usr/lib64/libvlccore.so.7
#21 0x00007f573283949d in libvlc_InternalInit () at /usr/lib64/libvlccore.so.7
#22 0x00007f573260a623 in libvlc_new () at /usr/lib64/libvlc.so.5
#23 0x00007f5732b40c12 in  () at /usr/lib64/qt5/plugins/phonon4qt5_backend/phonon_vlc.so
#24 0x00007f5732b21fa5 in  () at /usr/lib64/qt5/plugins/phonon4qt5_backend/phonon_vlc.so
#25 0x00007f5732b4395d in qt_plugin_instance () at /usr/lib64/qt5/plugins/phonon4qt5_backend/phonon_vlc.so
#26 0x00007f576017bf81 in QPluginLoader::instance() () at /usr/lib64/libQt5Core.so.5
#27 0x00007f574bdaffa0 in  () at /usr/lib64/libphonon4qt5.so.4
#28 0x00007f574bdb1a6e in  () at /usr/lib64/libphonon4qt5.so.4
#29 0x00007f574bdb22f1 in  () at /usr/lib64/libphonon4qt5.so.4
#30 0x00007f574bdb2b1d in Phonon::Factory::backend(bool) () at /usr/lib64/libphonon4qt5.so.4
#31 0x00007f574bdb3003 in  () at /usr/lib64/libphonon4qt5.so.4
#32 0x00007f574bda8e09 in  () at /usr/lib64/libphonon4qt5.so.4
#33 0x00007f574bda667c in  () at /usr/lib64/libphonon4qt5.so.4
#34 0x00007f575071517a in  () at /usr/lib64/libKF5Notifications.so.5
#35 0x00007f57506f9d47 in  () at /usr/lib64/libKF5Notifications.so.5
#36 0x00007f57506f8698 in KNotification::sendEvent() () at /usr/lib64/libKF5Notifications.so.5
#37 0x00007f57601c3456 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#38 0x00007f57615b2b5c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#39 0x00007f57615b7a26 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#40 0x00007f5760192df5 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#41 0x00007f5760194c8f in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#42 0x00007f57601eacb3 in  () at /usr/lib64/libQt5Core.so.5
#43 0x00007f575b7b0a04 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#44 0x00007f575b7b0c48 in  () at /usr/lib64/libglib-2.0.so.0
#45 0x00007f575b7b0cec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#46 0x00007f57601ea12c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#47 0x00007f5760190d5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#48 0x00007f576179c5cd in QDialog::exec() () at /usr/lib64/libQt5Widgets.so.5
#49 0x00007f5761d72ac7 in KMessageBox::createKMessageBox(QDialog*, QDialogButtonBox*, QIcon const&, QString const&, QStringList const&, QString const&, bool*, QFlags<KMessageBox::Option>, QString const&, QMessageBox::Icon) () at /usr/lib64/libKF5WidgetsAddons.so.5
#50 0x00007f5761d73204 in KMessageBox::createKMessageBox(QDialog*, QDialogButtonBox*, QMessageBox::Icon, QString const&, QStringList const&, QString const&, bool*, QFlags<KMessageBox::Option>, QString const&) () at /usr/lib64/libKF5WidgetsAddons.so.5
#51 0x00007f5761d757a3 in  () at /usr/lib64/libKF5WidgetsAddons.so.5
#52 0x00007f5761d75bde in KMessageBox::warningYesNoCancel(QWidget*, QString const&, QString const&, KGuiItem const&, KGuiItem const&, KGuiItem const&, QString const&, QFlags<KMessageBox::Option>) () at /usr/lib64/libKF5WidgetsAddons.so.5
#53 0x00007f576371546c in ModuleView::resolveChanges(KCModuleProxy*) () at /usr/lib64/libsystemsettingsview.so.3
#54 0x00007f57637162b7 in ModuleView::activeModuleChanged(KPageWidgetItem*, KPageWidgetItem*) () at /usr/lib64/libsystemsettingsview.so.3
#55 0x00007f57601c2651 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#56 0x00007f5761da16b8 in KPageWidget::currentPageChanged(KPageWidgetItem*, KPageWidgetItem*) () at /usr/lib64/libKF5WidgetsAddons.so.5
#57 0x00007f5761da1b18 in  () at /usr/lib64/libKF5WidgetsAddons.so.5
#58 0x00007f57601c2651 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#59 0x00007f5761d9ca17 in KPageView::currentPageChanged(QModelIndex const&, QModelIndex const&) () at /usr/lib64/libKF5WidgetsAddons.so.5
#60 0x00007f5761d9dc45 in  () at /usr/lib64/libKF5WidgetsAddons.so.5
#61 0x00007f57601c2651 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#62 0x00007f57601484a7 in QItemSelectionModel::selectionChanged(QItemSelection const&, QItemSelection const&) () at /usr/lib64/libQt5Core.so.5
#63 0x00007f576014e1d0 in QItemSelectionModel::emitSelectionChanged(QItemSelection const&, QItemSelection const&) () at /usr/lib64/libQt5Core.so.5
#64 0x00007f576014f0a4 in QItemSelectionModel::select(QItemSelection const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /usr/lib64/libQt5Core.so.5
#65 0x00007f576181c5b7 in QListView::setSelection(QRect const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /usr/lib64/libQt5Widgets.so.5
#66 0x00007f57617fb849 in QAbstractItemView::mousePressEvent(QMouseEvent*) () at /usr/lib64/libQt5Widgets.so.5
#67 0x00007f57615f244a in QWidget::event(QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#68 0x00007f57616e946e in QFrame::event(QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#69 0x00007f576180251b in QAbstractItemView::viewportEvent(QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#70 0x00007f5760193033 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#71 0x00007f57615b2b3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#72 0x00007f57615b8417 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#73 0x00007f5760192df5 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#74 0x00007f57615b6ea1 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /usr/lib64/libQt5Widgets.so.5
#75 0x00007f5761609b76 in  () at /usr/lib64/libQt5Widgets.so.5
#76 0x00007f576160ba8b in  () at /usr/lib64/libQt5Widgets.so.5
#77 0x00007f57615b2b5c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#78 0x00007f57615b7a26 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#79 0x00007f5760192df5 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#80 0x00007f5760e2892e in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /usr/lib64/libQt5Gui.so.5
#81 0x00007f5760e2a135 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib64/libQt5Gui.so.5
#82 0x00007f5760e10ab8 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Gui.so.5
#83 0x00007f5753dd7860 in  () at /usr/lib64/qt5/plugins/platforms/libqxcb.so
#84 0x00007f575b7b0a04 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#85 0x00007f575b7b0c48 in  () at /usr/lib64/libglib-2.0.so.0
#86 0x00007f575b7b0cec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#87 0x00007f57601ea12c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#88 0x00007f5760190d5b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#89 0x00007f57601983c6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#90 0x00000000004101bf in main ()

Reported using DrKonqi