Application: systemsettings5 (5.6.5)

Qt Version: 5.6.1
Frameworks Version: 5.23.0
Operating System: Linux 3.17.7-gentoo x86_64
Distribution: "Gentoo Base System release 2.2"

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

I was playing with the Sytem Settings of the newly installed plasma 5.
More specifically the Appearance section.

The crash can be reproduced sometimes.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9e8e221740 (LWP 31293))]

Thread 11 (Thread 0x7f9e8b3bd700 (LWP 31294)):
#0  0x00007f9e976ca14d in poll () from /lib64/libc.so.6
#1  0x00007f9e953e88f2 in _xcb_conn_wait () from /usr/lib64/libxcb.so.1
#2  0x00007f9e953ea6df in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007f9e8df51029 in QXcbEventReader::run() () from /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f9e97d8588c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f9e94b6f444 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f9e976d312d in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7f9e82752700 (LWP 31295)):
#0  0x00007f9e976ca14d in poll () from /lib64/libc.so.6
#1  0x00007f9e92e37eec in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f9e92e37ffc in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f9e97f735dc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f9e97f25c4a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f9e97d81154 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f9e9b02f235 in QDBusConnectionManager::run() () from /usr/lib64/libQt5DBus.so.5
#7  0x00007f9e97d8588c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#8  0x00007f9e94b6f444 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f9e976d312d in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f9e6ffff700 (LWP 31379)):
#0  0x00007f9e976ca14d in poll () from /lib64/libc.so.6
#1  0x00007f9e92e37eec in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f9e92e37ffc in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f9e97f735dc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f9e97f25c4a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f9e97d81154 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f9e9672bad5 in QQmlThreadPrivate::run() () from /usr/lib64/libQt5Qml.so.5
#7  0x00007f9e97d8588c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#8  0x00007f9e94b6f444 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f9e976d312d in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f9e77807700 (LWP 31979)):
#0  0x00007f9e92e375e0 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f9e92e37e18 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f9e92e37ffc in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f9e97f735dc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f9e97f25c4a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f9e97d81154 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f9e9672bad5 in QQmlThreadPrivate::run() () from /usr/lib64/libQt5Qml.so.5
#7  0x00007f9e97d8588c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#8  0x00007f9e94b6f444 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f9e976d312d in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f9e56d19700 (LWP 31991)):
#0  0x00007f9e976c611d in read () from /lib64/libc.so.6
#1  0x00007f9e92e7a550 in g_wakeup_acknowledge () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f9e92e3799c in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f9e92e37e90 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f9e92e37ffc in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007f9e97f735dc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#6  0x00007f9e97f25c4a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f9e97d81154 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#8  0x00007f9e97d8588c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#9  0x00007f9e94b6f444 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f9e976d312d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f9e56518700 (LWP 31992)):
#0  0x00007f9e976ca14d in poll () from /lib64/libc.so.6
#1  0x00007f9e92e37eec in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f9e92e37ffc in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f9e97f735dc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f9e97f25c4a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f9e97d81154 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f9e97d8588c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#7  0x00007f9e94b6f444 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f9e976d312d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f9e55d17700 (LWP 32058)):
#0  0x00007f9e92e3740b in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f9e92e37e18 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f9e92e37ffc in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f9e97f735dc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f9e97f25c4a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f9e97d81154 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f9e9672bad5 in QQmlThreadPrivate::run() () from /usr/lib64/libQt5Qml.so.5
#7  0x00007f9e97d8588c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#8  0x00007f9e94b6f444 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f9e976d312d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f9e5bd62700 (LWP 32099)):
#0  0x00007f9e976ca14d in poll () from /lib64/libc.so.6
#1  0x00007f9e92e37eec in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f9e92e37ffc in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f9e97f735dc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007f9e97f25c4a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007f9e97d81154 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007f9e9672bad5 in QQmlThreadPrivate::run() () from /usr/lib64/libQt5Qml.so.5
#7  0x00007f9e97d8588c in QThreadPrivate::start(void*) () from /usr/lib64/libQt5Core.so.5
#8  0x00007f9e94b6f444 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f9e976d312d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f9e4499e700 (LWP 32106)):
#0  0x00007f9e976c611d in read () from /lib64/libc.so.6
#1  0x00007f9e83da50d1 in pa_read () from /usr/lib64/pulseaudio/libpulsecommon-8.0.so
#2  0x00007f9e8898f40e in pa_mainloop_prepare () from /usr/lib64/libpulse.so.0
#3  0x00007f9e8898fe80 in pa_mainloop_iterate () from /usr/lib64/libpulse.so.0
#4  0x00007f9e8898ff40 in pa_mainloop_run () from /usr/lib64/libpulse.so.0
#5  0x00007f9e8899e2d9 in thread () from /usr/lib64/libpulse.so.0
#6  0x00007f9e83dd2ea8 in internal_thread_func () from /usr/lib64/pulseaudio/libpulsecommon-8.0.so
#7  0x00007f9e94b6f444 in start_thread () from /lib64/libpthread.so.0
#8  0x00007f9e976d312d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f9e6c128700 (LWP 32107)):
[KCrash Handler]
#6  0x00007f9e82e9218d in vorbis_info_clear () from /usr/lib64/libvorbis.so.0
#7  0x00007f9e34c263dc in Ogg_LogicalStreamDelete.isra.7 () from /usr/lib64/vlc/plugins/demux/libogg_plugin.so
#8  0x00007f9e34c2648a in Ogg_EndOfStream () from /usr/lib64/vlc/plugins/demux/libogg_plugin.so
#9  0x00007f9e34c265a0 in Close () from /usr/lib64/vlc/plugins/demux/libogg_plugin.so
#10 0x00007f9e57665fcf in vlc_module_unload () from /usr/lib64/libvlccore.so.8
#11 0x00007f9e5762e252 in demux_Delete () from /usr/lib64/libvlccore.so.8
#12 0x00007f9e576386ae in InputSourceClean () from /usr/lib64/libvlccore.so.8
#13 0x00007f9e57638985 in End () from /usr/lib64/libvlccore.so.8
#14 0x00007f9e5763dced in Run () from /usr/lib64/libvlccore.so.8
#15 0x00007f9e94b6f444 in start_thread () from /lib64/libpthread.so.0
#16 0x00007f9e976d312d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f9e8e221740 (LWP 31293)):
#0  0x00007f9e94b7068d in pthread_join () from /lib64/libpthread.so.0
#1  0x00007f9e576394e9 in input_Close () from /usr/lib64/libvlccore.so.8
#2  0x00007f9e573eb48c in libvlc_media_player_stop () from /usr/lib64/libvlc.so.5
#3  0x00007f9e578e8122 in Phonon::VLC::MediaObject::stop() () from /usr/lib64/qt5/plugins/phonon4qt5_backend/phonon_vlc.so
#4  0x00007f9e89c60dd6 in NotifyByAudio::close(KNotification*) () from /usr/lib64/libKF5Notifications.so.5
#5  0x00007f9e89c44f4b in KNotificationManager::close(int, bool) () from /usr/lib64/libKF5Notifications.so.5
#6  0x00007f9e89c436d4 in KNotification::~KNotification() () from /usr/lib64/libKF5Notifications.so.5
#7  0x00007f9e89c43849 in KNotification::~KNotification() () from /usr/lib64/libKF5Notifications.so.5
#8  0x00007f9e97f4f295 in QObjectPrivate::deleteChildren() () from /usr/lib64/libQt5Core.so.5
#9  0x00007f9e993f9d06 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5
#10 0x00007f9e995a4fe9 in QDialog::~QDialog() () from /usr/lib64/libQt5Widgets.so.5
#11 0x00007f9e999974ab in KMessageBox::createKMessageBox(QDialog*, QDialogButtonBox*, QIcon const&, QString const&, QStringList const&, QString const&, bool*, QFlags<KMessageBox::Option>, QString const&, QMessageBox::Icon) () from /usr/lib64/libKF5WidgetsAddons.so.5
#12 0x00007f9e99997b23 in KMessageBox::createKMessageBox(QDialog*, QDialogButtonBox*, QMessageBox::Icon, QString const&, QStringList const&, QString const&, bool*, QFlags<KMessageBox::Option>, QString const&) () from /usr/lib64/libKF5WidgetsAddons.so.5
#13 0x00007f9e9999a089 in KMessageBox::warningYesNoCancelListInternal(QDialog*, QString const&, QStringList const&, QString const&, KGuiItem const&, KGuiItem const&, KGuiItem const&, QString const&, QFlags<KMessageBox::Option>) () from /usr/lib64/libKF5WidgetsAddons.so.5
#14 0x00007f9e9999a453 in KMessageBox::warningYesNoCancel(QWidget*, QString const&, QString const&, KGuiItem const&, KGuiItem const&, KGuiItem const&, QString const&, QFlags<KMessageBox::Option>) () from /usr/lib64/libKF5WidgetsAddons.so.5
#15 0x00007f9e9acc46f0 in ModuleView::resolveChanges(KCModuleProxy*) () from /usr/lib64/libsystemsettingsview.so.3
#16 0x00007f9e9acc55a7 in ModuleView::activeModuleChanged(KPageWidgetItem*, KPageWidgetItem*) () from /usr/lib64/libsystemsettingsview.so.3
#17 0x00007f9e97f4e0ec in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQt5Core.so.5
#18 0x00007f9e999cbf68 in KPageWidget::currentPageChanged(KPageWidgetItem*, KPageWidgetItem*) () from /usr/lib64/libKF5WidgetsAddons.so.5
#19 0x00007f9e999cc12c in KPageWidget::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib64/libKF5WidgetsAddons.so.5
#20 0x00007f9e97f4e0ec in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQt5Core.so.5
#21 0x00007f9e999c6477 in KPageView::currentPageChanged(QModelIndex const&, QModelIndex const&) () from /usr/lib64/libKF5WidgetsAddons.so.5
#22 0x00007f9e999c7817 in KPageViewPrivate::_k_pageSelected(QItemSelection const&, QItemSelection const&) () from /usr/lib64/libKF5WidgetsAddons.so.5
#23 0x00007f9e97f4e0ec in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQt5Core.so.5
#24 0x00007f9e97ee34b7 in QItemSelectionModel::selectionChanged(QItemSelection const&, QItemSelection const&) () from /usr/lib64/libQt5Core.so.5
#25 0x00007f9e97ee7d83 in QItemSelectionModel::emitSelectionChanged(QItemSelection const&, QItemSelection const&) () from /usr/lib64/libQt5Core.so.5
#26 0x00007f9e97eea699 in QItemSelectionModel::select(QItemSelection const&, QFlags<QItemSelectionModel::SelectionFlag>) () from /usr/lib64/libQt5Core.so.5
#27 0x00007f9e9962b12d in QListView::setSelection(QRect const&, QFlags<QItemSelectionModel::SelectionFlag>) () from /usr/lib64/libQt5Widgets.so.5
#28 0x00007f9e9960bd9b in QAbstractItemView::mousePressEvent(QMouseEvent*) () from /usr/lib64/libQt5Widgets.so.5
#29 0x00007f9e993fea2f in QWidget::event(QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#30 0x00007f9e994e4dbe in QFrame::event(QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#31 0x00007f9e996122bb in QAbstractItemView::viewportEvent(QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#32 0x00007f9e97f26e0e in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5
#33 0x00007f9e993b85b5 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#34 0x00007f9e993bd47c in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#35 0x00007f9e97f270b0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5
#36 0x00007f9e993bc251 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib64/libQt5Widgets.so.5
#37 0x00007f9e9941a906 in QWidgetWindow::handleMouseEvent(QMouseEvent*) () from /usr/lib64/libQt5Widgets.so.5
#38 0x00007f9e9941cfe3 in QWidgetWindow::event(QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#39 0x00007f9e993b85dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#40 0x00007f9e993bcd00 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5
#41 0x00007f9e97f270b0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5
#42 0x00007f9e98e5553b in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib64/libQt5Gui.so.5
#43 0x00007f9e98e57245 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib64/libQt5Gui.so.5
#44 0x00007f9e98e37cc3 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Gui.so.5
#45 0x00007f9e8df7fb40 in userEventSourceDispatch(_GSource*, int (*)(void*), void*) () from /usr/lib64/libQt5XcbQpa.so.5
#46 0x00007f9e92e37c6d in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#47 0x00007f9e92e37f50 in g_main_context_iterate.isra () from /usr/lib64/libglib-2.0.so.0
#48 0x00007f9e92e37ffc in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#49 0x00007f9e97f735c7 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#50 0x00007f9e97f25c4a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#51 0x00007f9e97f2d70c in QCoreApplication::exec() () from /usr/lib64/libQt5Core.so.5
#52 0x000000000040c0e1 in main ()

Reported using DrKonqi