Application: systemsettings5 (5.8.5) Qt Version: 5.7.1 Frameworks Version: 5.29.0 Operating System: Linux 4.9.6-200.fc25.x86_64 x86_64 Distribution (Platform): Fedora RPMs -- Information about the crash: I accessed Sytem Settings > Application Style and tried to go back to all settings 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 0x7f4970628900 (LWP 6402))] Thread 6 (Thread 0x7f491a7fc700 (LWP 6460)): #0 0x00007f497505c719 in g_main_context_prepare () at /lib64/libglib-2.0.so.0 #1 0x00007f497505d07b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0 #2 0x00007f497505d26c in g_main_context_iteration () at /lib64/libglib-2.0.so.0 #3 0x00007f497cfd173b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #4 0x00007f497cf8273a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #5 0x00007f497cddf5f3 in QThread::exec() () at /lib64/libQt5Core.so.5 #6 0x00007f497b9a34e5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5 #7 0x00007f497cde39da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5 #8 0x00007f49792a16ca in start_thread () at /lib64/libpthread.so.0 #9 0x00007f497c1d6f7f in clone () at /lib64/libc.so.6 Thread 5 (Thread 0x7f495149b700 (LWP 6417)): #0 0x00007f497cde2911 in QThreadData::current(bool) () at /lib64/libQt5Core.so.5 #1 0x00007f497cfd15da in postEventSourcePrepare(_GSource*, int*) () at /lib64/libQt5Core.so.5 #2 0x00007f497505c699 in g_main_context_prepare () at /lib64/libglib-2.0.so.0 #3 0x00007f497505d07b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0 #4 0x00007f497505d26c in g_main_context_iteration () at /lib64/libglib-2.0.so.0 #5 0x00007f497cfd173b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #6 0x00007f497cf8273a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #7 0x00007f497cddf5f3 in QThread::exec() () at /lib64/libQt5Core.so.5 #8 0x00007f497cde39da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5 #9 0x00007f49792a16ca in start_thread () at /lib64/libpthread.so.0 #10 0x00007f497c1d6f7f in clone () at /lib64/libc.so.6 Thread 4 (Thread 0x7f4953427700 (LWP 6412)): #0 0x00007f497505d0e2 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0 #1 0x00007f497505d26c in g_main_context_iteration () at /lib64/libglib-2.0.so.0 #2 0x00007f497cfd173b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #3 0x00007f497cf8273a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #4 0x00007f497cddf5f3 in QThread::exec() () at /lib64/libQt5Core.so.5 #5 0x00007f497cde39da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5 #6 0x00007f49792a16ca in start_thread () at /lib64/libpthread.so.0 #7 0x00007f497c1d6f7f in clone () at /lib64/libc.so.6 Thread 3 (Thread 0x7f495d490700 (LWP 6405)): #0 0x00007f497c1cb01d in poll () at /lib64/libc.so.6 #1 0x00007f497505d156 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0 #2 0x00007f497505d26c in g_main_context_iteration () at /lib64/libglib-2.0.so.0 #3 0x00007f497cfd173b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #4 0x00007f497cf8273a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #5 0x00007f497cddf5f3 in QThread::exec() () at /lib64/libQt5Core.so.5 #6 0x00007f497d6ce739 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5 #7 0x00007f497cde39da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5 #8 0x00007f49792a16ca in start_thread () at /lib64/libpthread.so.0 #9 0x00007f497c1d6f7f in clone () at /lib64/libc.so.6 Thread 2 (Thread 0x7f49652db700 (LWP 6404)): #0 0x00007f497c1cb01d in poll () at /lib64/libc.so.6 #1 0x00007f49798e0d10 in _xcb_conn_wait () at /lib64/libxcb.so.1 #2 0x00007f49798e2aa9 in xcb_wait_for_event () at /lib64/libxcb.so.1 #3 0x00007f49699a5d69 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5 #4 0x00007f497cde39da in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5 #5 0x00007f49792a16ca in start_thread () at /lib64/libpthread.so.0 #6 0x00007f497c1d6f7f in clone () at /lib64/libc.so.6 Thread 1 (Thread 0x7f4970628900 (LWP 6402)): [KCrash Handler] #6 0x00007f497b875b95 in QV4::WeakValue::free() () at /lib64/libQt5Qml.so.5 #7 0x00007f497b8e6912 in QV4::QObjectWrapper::destroyObject(bool) () at /lib64/libQt5Qml.so.5 #8 0x00007f497b77cbaf in QV4::MemoryManager::sweep(bool) () at /lib64/libQt5Qml.so.5 #9 0x00007f497b77dfbc in QV4::MemoryManager::~MemoryManager() () at /lib64/libQt5Qml.so.5 #10 0x00007f497b8654ab in QV4::ExecutionEngine::~ExecutionEngine() () at /lib64/libQt5Qml.so.5 #11 0x00007f497b9a4f96 in QV8Engine::~QV8Engine() () at /lib64/libQt5Qml.so.5 #12 0x00007f497b9a50b9 in QV8Engine::~QV8Engine() () at /lib64/libQt5Qml.so.5 #13 0x00007f497b7fc7b6 in QJSEngine::~QJSEngine() () at /lib64/libQt5Qml.so.5 #14 0x00007f497b91075d in QQmlEngine::~QQmlEngine() () at /lib64/libQt5Qml.so.5 #15 0x00007f497b910819 in QQmlEngine::~QQmlEngine() () at /lib64/libQt5Qml.so.5 #16 0x00007f497cfb125c in QObjectPrivate::deleteChildren() () at /lib64/libQt5Core.so.5 #17 0x00007f497cfb235f in QObject::~QObject() () at /lib64/libQt5Core.so.5 #18 0x00007f497df4e678 in QWindow::~QWindow() () at /lib64/libQt5Gui.so.5 #19 0x00007f497bc72884 in QQuickWindow::~QQuickWindow() () at /lib64/libQt5Quick.so.5 #20 0x00007f497bd22529 in QQuickView::~QQuickView() () at /lib64/libQt5Quick.so.5 #21 0x00007f497e4b3155 in QWindowContainer::~QWindowContainer() () at /lib64/libQt5Widgets.so.5 #22 0x00007f497e4b3179 in QWindowContainer::~QWindowContainer() () at /lib64/libQt5Widgets.so.5 #23 0x00007f497cfb125c in QObjectPrivate::deleteChildren() () at /lib64/libQt5Core.so.5 #24 0x00007f497e49109b in QWidget::~QWidget() () at /lib64/libQt5Widgets.so.5 #25 0x00007f497e491389 in QWidget::~QWidget() () at /lib64/libQt5Widgets.so.5 #26 0x00007f497cfb125c in QObjectPrivate::deleteChildren() () at /lib64/libQt5Core.so.5 #27 0x00007f497e49109b in QWidget::~QWidget() () at /lib64/libQt5Widgets.so.5 #28 0x00007f497e491389 in QWidget::~QWidget() () at /lib64/libQt5Widgets.so.5 #29 0x00007f497cfb125c in QObjectPrivate::deleteChildren() () at /lib64/libQt5Core.so.5 #30 0x00007f497e49109b in QWidget::~QWidget() () at /lib64/libQt5Widgets.so.5 #31 0x00007f497e5df379 in QStackedWidget::~QStackedWidget() () at /lib64/libQt5Widgets.so.5 #32 0x00007f497cfb125c in QObjectPrivate::deleteChildren() () at /lib64/libQt5Core.so.5 #33 0x00007f497e49109b in QWidget::~QWidget() () at /lib64/libQt5Widgets.so.5 #34 0x00007f497e5ec169 in QTabWidget::~QTabWidget() () at /lib64/libQt5Widgets.so.5 #35 0x00007f497cfb125c in QObjectPrivate::deleteChildren() () at /lib64/libQt5Core.so.5 #36 0x00007f497e49109b in QWidget::~QWidget() () at /lib64/libQt5Widgets.so.5 #37 0x00007f491afe6afe in KDecoration2::Configuration::ConfigurationForm::~ConfigurationForm() () at /usr/lib64/qt5/plugins/kcm_kwindecoration.so #38 0x00007f497cfb125c in QObjectPrivate::deleteChildren() () at /lib64/libQt5Core.so.5 #39 0x00007f497e49109b in QWidget::~QWidget() () at /lib64/libQt5Widgets.so.5 #40 0x00007f497fb310bd in KCModule::~KCModule() () at /lib64/libKF5ConfigWidgets.so.5 #41 0x00007f491afe33c1 in KDecoration2::Configuration::ConfigurationModule::~ConfigurationModule() () at /usr/lib64/qt5/plugins/kcm_kwindecoration.so #42 0x00007f4980a7e0c4 in KCModuleProxy::deleteClient() () at /lib64/libKF5KCMUtils.so.5 #43 0x00007f4980a7e16c in KCModuleProxy::~KCModuleProxy() () at /lib64/libKF5KCMUtils.so.5 #44 0x00007f4980a7e329 in KCModuleProxy::~KCModuleProxy() () at /lib64/libKF5KCMUtils.so.5 #45 0x00007f497cfb125c in QObjectPrivate::deleteChildren() () at /lib64/libQt5Core.so.5 #46 0x00007f497e49109b in QWidget::~QWidget() () at /lib64/libQt5Widgets.so.5 #47 0x00007f497e491389 in QWidget::~QWidget() () at /lib64/libQt5Widgets.so.5 #48 0x00007f497cfb125c in QObjectPrivate::deleteChildren() () at /lib64/libQt5Core.so.5 #49 0x00007f497e49109b in QWidget::~QWidget() () at /lib64/libQt5Widgets.so.5 #50 0x00007f497e60a529 in QScrollArea::~QScrollArea() () at /lib64/libQt5Widgets.so.5 #51 0x00007f497ea4b95b in KPageWidgetItem::~KPageWidgetItem() () at /lib64/libKF5WidgetsAddons.so.5 #52 0x00007f497ea4b979 in KPageWidgetItem::~KPageWidgetItem() () at /lib64/libKF5WidgetsAddons.so.5 #53 0x00007f497ea4c3bb in PageItem::~PageItem() () at /lib64/libKF5WidgetsAddons.so.5 #54 0x00007f497ea4cfde in KPageWidgetModel::removePage(KPageWidgetItem*) () at /lib64/libKF5WidgetsAddons.so.5 #55 0x00007f4980cb9435 in ModuleView::closeModules() () at /lib64/libsystemsettingsview.so.3 #56 0x00007f4953eae03e in IconMode::backToOverview() () at /usr/lib64/qt5/plugins/icon_mode.so #57 0x00007f497cfaa7b1 in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5 #58 0x00007f497e4474b2 in QAction::triggered(bool) () at /lib64/libQt5Widgets.so.5 #59 0x00007f497e449ee2 in QAction::activate(QAction::ActionEvent) () at /lib64/libQt5Widgets.so.5 #60 0x00007f497e537dbd in QAbstractButtonPrivate::click() () at /lib64/libQt5Widgets.so.5 #61 0x00007f497e538004 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () at /lib64/libQt5Widgets.so.5 #62 0x00007f497e6048aa in QToolButton::mouseReleaseEvent(QMouseEvent*) () at /lib64/libQt5Widgets.so.5 #63 0x00007f497e495780 in QWidget::event(QEvent*) () at /lib64/libQt5Widgets.so.5 #64 0x00007f497e604992 in QToolButton::event(QEvent*) () at /lib64/libQt5Widgets.so.5 #65 0x00007f497e44decc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #66 0x00007f497e45652d in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #67 0x00007f497cf837aa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5 #68 0x00007f497e454bbd in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /lib64/libQt5Widgets.so.5 #69 0x00007f497e4aff06 in QWidgetWindow::handleMouseEvent(QMouseEvent*) () at /lib64/libQt5Widgets.so.5 #70 0x00007f497e4b2963 in QWidgetWindow::event(QEvent*) () at /lib64/libQt5Widgets.so.5 #71 0x00007f497e44decc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #72 0x00007f497e455671 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5 #73 0x00007f497cf837aa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5 #74 0x00007f497df442b3 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /lib64/libQt5Gui.so.5 #75 0x00007f497df45d85 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /lib64/libQt5Gui.so.5 #76 0x00007f497df26c4b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Gui.so.5 #77 0x00007f49699dc750 in userEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5XcbQpa.so.5 #78 0x00007f497505ce42 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0 #79 0x00007f497505d1c0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0 #80 0x00007f497505d26c in g_main_context_iteration () at /lib64/libglib-2.0.so.0 #81 0x00007f497cfd171f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #82 0x00007f497cf8273a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5 #83 0x00007f497cf8a23c in QCoreApplication::exec() () at /lib64/libQt5Core.so.5 #84 0x0000556c019eb230 in main () Possible duplicates by query: bug 375788, bug 375768, bug 375689, bug 375688, bug 375636. Reported using DrKonqi
*** This bug has been marked as a duplicate of bug 373628 ***