Application: systemsettings5 (5.8.5) (Compiled from sources) Qt Version: 5.7.1 Frameworks Version: 5.30.0 Operating System: Linux 4.8.0 x86_64 Distribution (Platform): Gentoo Packages -- Information about the crash: - What I was doing when the application crashed: System Settings -> Desktop Behavior, change settings to anything then go back. The crash can be reproduced every time. -- Backtrace: Application: System Settings (systemsettings5), signal: Segmentation fault Using host libthread_db library "/lib64/libthread_db.so.1". [Current thread is 1 (Thread 0x7f044519d800 (LWP 4642))] Thread 17 (Thread 0x7f03c6ffd700 (LWP 4954)): #0 0x00007f043d0621e9 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0 #1 0x00007f043d01b792 in ?? () from /usr/lib64/libglib-2.0.so.0 #2 0x00007f043d01b8d4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0 #3 0x00007f044224dacb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5 #4 0x00007f04421ff192 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5 #5 0x00007f044205ab2e in QThread::exec() () from /usr/lib64/libQt5Core.so.5 #6 0x00007f044096a365 in ?? () from /usr/lib64/libQt5Qml.so.5 #7 0x00007f044205ef5f in ?? () from /usr/lib64/libQt5Core.so.5 #8 0x00007f043ed3f3c6 in start_thread () from /lib64/libpthread.so.0 #9 0x00007f044190f61d in clone () from /lib64/libc.so.6 Thread 16 (Thread 0x7f03c7fff700 (LWP 4953)): #0 0x00007f044190650d in poll () from /lib64/libc.so.6 #1 0x00007f043d01b7ac in ?? () from /usr/lib64/libglib-2.0.so.0 #2 0x00007f043d01b8d4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0 #3 0x00007f044224dacb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5 #4 0x00007f04421ff192 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5 #5 0x00007f044205ab2e in QThread::exec() () from /usr/lib64/libQt5Core.so.5 #6 0x00007f044096a365 in ?? () from /usr/lib64/libQt5Qml.so.5 #7 0x00007f044205ef5f in ?? () from /usr/lib64/libQt5Core.so.5 #8 0x00007f043ed3f3c6 in start_thread () from /lib64/libpthread.so.0 #9 0x00007f044190f61d in clone () from /lib64/libc.so.6 Thread 15 (Thread 0x7f03dd627700 (LWP 4699)): #0 0x00007f043d0621e5 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0 #1 0x00007f043d01ad47 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0 #2 0x00007f043d01b6db in ?? () from /usr/lib64/libglib-2.0.so.0 #3 0x00007f043d01b8d4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0 #4 0x00007f044224dacb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5 #5 0x00007f04421ff192 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5 #6 0x00007f044205ab2e in QThread::exec() () from /usr/lib64/libQt5Core.so.5 #7 0x00007f044205ef5f in ?? () from /usr/lib64/libQt5Core.so.5 #8 0x00007f043ed3f3c6 in start_thread () from /lib64/libpthread.so.0 #9 0x00007f044190f61d in clone () from /lib64/libc.so.6 Thread 14 (Thread 0x7f040089d700 (LWP 4695)): #0 0x00007f043d062204 in g_mutex_unlock () from /usr/lib64/libglib-2.0.so.0 #1 0x00007f043d01ad2e in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0 #2 0x00007f043d01b6db in ?? () from /usr/lib64/libglib-2.0.so.0 #3 0x00007f043d01b8d4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0 #4 0x00007f044224dacb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5 #5 0x00007f04421ff192 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5 #6 0x00007f044205ab2e in QThread::exec() () from /usr/lib64/libQt5Core.so.5 #7 0x00007f044205ef5f in ?? () from /usr/lib64/libQt5Core.so.5 #8 0x00007f043ed3f3c6 in start_thread () from /lib64/libpthread.so.0 #9 0x00007f044190f61d in clone () from /lib64/libc.so.6 Thread 13 (Thread 0x7f0403b4f700 (LWP 4693)): #0 0x00007f043d0621e9 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0 #1 0x00007f043d01b6b0 in ?? () from /usr/lib64/libglib-2.0.so.0 #2 0x00007f043d01b8d4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0 #3 0x00007f044224dacb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5 #4 0x00007f04421ff192 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5 #5 0x00007f044205ab2e in QThread::exec() () from /usr/lib64/libQt5Core.so.5 #6 0x00007f044096a365 in ?? () from /usr/lib64/libQt5Qml.so.5 #7 0x00007f044205ef5f in ?? () from /usr/lib64/libQt5Core.so.5 #8 0x00007f043ed3f3c6 in start_thread () from /lib64/libpthread.so.0 #9 0x00007f044190f61d in clone () from /lib64/libc.so.6 Thread 12 (Thread 0x7f040c7ff700 (LWP 4692)): #0 0x00007f043d0621e9 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0 #1 0x00007f043d01ad47 in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0 #2 0x00007f043d01b6db in ?? () from /usr/lib64/libglib-2.0.so.0 #3 0x00007f043d01b8d4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0 #4 0x00007f044224dacb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5 #5 0x00007f04421ff192 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5 #6 0x00007f044205ab2e in QThread::exec() () from /usr/lib64/libQt5Core.so.5 #7 0x00007f044096a365 in ?? () from /usr/lib64/libQt5Qml.so.5 #8 0x00007f044205ef5f in ?? () from /usr/lib64/libQt5Core.so.5 #9 0x00007f043ed3f3c6 in start_thread () from /lib64/libpthread.so.0 #10 0x00007f044190f61d in clone () from /lib64/libc.so.6 Thread 11 (Thread 0x7f0410030700 (LWP 4652)): #0 0x00007f043ed44f3f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f042081f353 in ?? () from /usr/lib64/dri/swrast_dri.so #2 0x00007f042081f18f in ?? () from /usr/lib64/dri/swrast_dri.so #3 0x00007f043ed3f3c6 in start_thread () from /lib64/libpthread.so.0 #4 0x00007f044190f61d in clone () from /lib64/libc.so.6 Thread 10 (Thread 0x7f0410831700 (LWP 4651)): #0 0x00007f043ed44f3f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f042081f353 in ?? () from /usr/lib64/dri/swrast_dri.so #2 0x00007f042081f18f in ?? () from /usr/lib64/dri/swrast_dri.so #3 0x00007f043ed3f3c6 in start_thread () from /lib64/libpthread.so.0 #4 0x00007f044190f61d in clone () from /lib64/libc.so.6 Thread 9 (Thread 0x7f0411032700 (LWP 4650)): #0 0x00007f043ed44f3f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f042081f353 in ?? () from /usr/lib64/dri/swrast_dri.so #2 0x00007f042081f18f in ?? () from /usr/lib64/dri/swrast_dri.so #3 0x00007f043ed3f3c6 in start_thread () from /lib64/libpthread.so.0 #4 0x00007f044190f61d in clone () from /lib64/libc.so.6 Thread 8 (Thread 0x7f0411833700 (LWP 4649)): #0 0x00007f043ed44f3f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f042081f353 in ?? () from /usr/lib64/dri/swrast_dri.so #2 0x00007f042081f18f in ?? () from /usr/lib64/dri/swrast_dri.so #3 0x00007f043ed3f3c6 in start_thread () from /lib64/libpthread.so.0 #4 0x00007f044190f61d in clone () from /lib64/libc.so.6 Thread 7 (Thread 0x7f0412034700 (LWP 4648)): #0 0x00007f043ed44f3f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f042081f353 in ?? () from /usr/lib64/dri/swrast_dri.so #2 0x00007f042081f18f in ?? () from /usr/lib64/dri/swrast_dri.so #3 0x00007f043ed3f3c6 in start_thread () from /lib64/libpthread.so.0 #4 0x00007f044190f61d in clone () from /lib64/libc.so.6 Thread 6 (Thread 0x7f0412835700 (LWP 4647)): #0 0x00007f043ed44f3f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f042081f353 in ?? () from /usr/lib64/dri/swrast_dri.so #2 0x00007f042081f18f in ?? () from /usr/lib64/dri/swrast_dri.so #3 0x00007f043ed3f3c6 in start_thread () from /lib64/libpthread.so.0 #4 0x00007f044190f61d in clone () from /lib64/libc.so.6 Thread 5 (Thread 0x7f0413036700 (LWP 4646)): #0 0x00007f043ed44f3f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f042081f353 in ?? () from /usr/lib64/dri/swrast_dri.so #2 0x00007f042081f18f in ?? () from /usr/lib64/dri/swrast_dri.so #3 0x00007f043ed3f3c6 in start_thread () from /lib64/libpthread.so.0 #4 0x00007f044190f61d in clone () from /lib64/libc.so.6 Thread 4 (Thread 0x7f0413837700 (LWP 4645)): #0 0x00007f043ed44f3f in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00007f042081f353 in ?? () from /usr/lib64/dri/swrast_dri.so #2 0x00007f042081f18f in ?? () from /usr/lib64/dri/swrast_dri.so #3 0x00007f043ed3f3c6 in start_thread () from /lib64/libpthread.so.0 #4 0x00007f044190f61d in clone () from /lib64/libc.so.6 Thread 3 (Thread 0x7f04241e7700 (LWP 4644)): #0 0x00007f0442057409 in QMutex::unlock() () from /usr/lib64/libQt5Core.so.5 #1 0x00007f044224d99f in ?? () from /usr/lib64/libQt5Core.so.5 #2 0x00007f043d01ad3b in g_main_context_prepare () from /usr/lib64/libglib-2.0.so.0 #3 0x00007f043d01b6db in ?? () from /usr/lib64/libglib-2.0.so.0 #4 0x00007f043d01b8d4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0 #5 0x00007f044224dacb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5 #6 0x00007f04421ff192 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5 #7 0x00007f044205ab2e in QThread::exec() () from /usr/lib64/libQt5Core.so.5 #8 0x00007f0445295675 in ?? () from /usr/lib64/libQt5DBus.so.5 #9 0x00007f044205ef5f in ?? () from /usr/lib64/libQt5Core.so.5 #10 0x00007f043ed3f3c6 in start_thread () from /lib64/libpthread.so.0 #11 0x00007f044190f61d in clone () from /lib64/libc.so.6 Thread 2 (Thread 0x7f042c8f7700 (LWP 4643)): #0 0x00007f044190650d in poll () from /lib64/libc.so.6 #1 0x00007f043f5cc88a in ?? () from /usr/lib64/libxcb.so.1 #2 0x00007f043f5ce827 in xcb_wait_for_event () from /usr/lib64/libxcb.so.1 #3 0x00007f042ee84079 in ?? () from /usr/lib64/libQt5XcbQpa.so.5 #4 0x00007f044205ef5f in ?? () from /usr/lib64/libQt5Core.so.5 #5 0x00007f043ed3f3c6 in start_thread () from /lib64/libpthread.so.0 #6 0x00007f044190f61d in clone () from /lib64/libc.so.6 Thread 1 (Thread 0x7f044519d800 (LWP 4642)): [KCrash Handler] #6 0x00007f0440842e8d in QV4::WeakValue::free() () from /usr/lib64/libQt5Qml.so.5 #7 0x00007f04408af3bf in QV4::QObjectWrapper::destroyObject(bool) () from /usr/lib64/libQt5Qml.so.5 #8 0x00007f0440745b54 in QV4::MemoryManager::sweep(bool) () from /usr/lib64/libQt5Qml.so.5 #9 0x00007f044074769c in QV4::MemoryManager::~MemoryManager() () from /usr/lib64/libQt5Qml.so.5 #10 0x00007f04408330c2 in QV4::ExecutionEngine::~ExecutionEngine() () from /usr/lib64/libQt5Qml.so.5 #11 0x00007f044096bdf8 in QV8Engine::~QV8Engine() () from /usr/lib64/libQt5Qml.so.5 #12 0x00007f044096bf19 in QV8Engine::~QV8Engine() () from /usr/lib64/libQt5Qml.so.5 #13 0x00007f04407c6976 in QJSEngine::~QJSEngine() () from /usr/lib64/libQt5Qml.so.5 #14 0x00007f04408d8ab5 in QQmlEngine::~QQmlEngine() () from /usr/lib64/libQt5Qml.so.5 #15 0x00007f04408d8b69 in QQmlEngine::~QQmlEngine() () from /usr/lib64/libQt5Qml.so.5 #16 0x00007f044222d64d in QObjectPrivate::deleteChildren() () from /usr/lib64/libQt5Core.so.5 #17 0x00007f0443676054 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5 #18 0x00007f0445270d79 in QQuickWidget::~QQuickWidget() () from /usr/lib64/libQt5QuickWidgets.so.5 #19 0x00007f044222d64d in QObjectPrivate::deleteChildren() () from /usr/lib64/libQt5Core.so.5 #20 0x00007f0443676054 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5 #21 0x00007f0443676319 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5 #22 0x00007f044222d64d in QObjectPrivate::deleteChildren() () from /usr/lib64/libQt5Core.so.5 #23 0x00007f0443676054 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5 #24 0x00007f04437c6eb9 in QStackedWidget::~QStackedWidget() () from /usr/lib64/libQt5Widgets.so.5 #25 0x00007f044222d64d in QObjectPrivate::deleteChildren() () from /usr/lib64/libQt5Core.so.5 #26 0x00007f0443676054 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5 #27 0x00007f04437d3d79 in QTabWidget::~QTabWidget() () from /usr/lib64/libQt5Widgets.so.5 #28 0x00007f044222d64d in QObjectPrivate::deleteChildren() () from /usr/lib64/libQt5Core.so.5 #29 0x00007f0443676054 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5 #30 0x00007f03c52a483e in ?? () from /usr/lib64/qt5/plugins/screenlocker_kcm.so #31 0x00007f044222d64d in QObjectPrivate::deleteChildren() () from /usr/lib64/libQt5Core.so.5 #32 0x00007f0443676054 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5 #33 0x00007f0444317717 in KCModule::~KCModule() () from /usr/lib64/libKF5ConfigWidgets.so.5 #34 0x00007f03c52a8e8b in ?? () from /usr/lib64/qt5/plugins/screenlocker_kcm.so #35 0x00007f0444cfd4f4 in KCModuleProxy::deleteClient() () from /usr/lib64/libKF5KCMUtils.so.5 #36 0x00007f0444cfd59a in KCModuleProxy::~KCModuleProxy() () from /usr/lib64/libKF5KCMUtils.so.5 #37 0x00007f0444cfd729 in KCModuleProxy::~KCModuleProxy() () from /usr/lib64/libKF5KCMUtils.so.5 #38 0x00007f044222d64d in QObjectPrivate::deleteChildren() () from /usr/lib64/libQt5Core.so.5 #39 0x00007f0443676054 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5 #40 0x00007f0443676319 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5 #41 0x00007f044222d64d in QObjectPrivate::deleteChildren() () from /usr/lib64/libQt5Core.so.5 #42 0x00007f0443676054 in QWidget::~QWidget() () from /usr/lib64/libQt5Widgets.so.5 #43 0x00007f04437f2e19 in QScrollArea::~QScrollArea() () from /usr/lib64/libQt5Widgets.so.5 #44 0x00007f0443c28e63 in KPageWidgetItem::~KPageWidgetItem() () from /usr/lib64/libKF5WidgetsAddons.so.5 #45 0x00007f0443c28f39 in KPageWidgetItem::~KPageWidgetItem() () from /usr/lib64/libKF5WidgetsAddons.so.5 #46 0x00007f0443c299cb in ?? () from /usr/lib64/libKF5WidgetsAddons.so.5 #47 0x00007f0443c2a735 in KPageWidgetModel::removePage(KPageWidgetItem*) () from /usr/lib64/libKF5WidgetsAddons.so.5 #48 0x00007f0444f39e35 in ModuleView::closeModules() () from /usr/lib64/libsystemsettingsview.so.3 #49 0x00007f040ede7296 in ?? () from /usr/lib64/qt5/plugins/icon_mode.so #50 0x00007f04422269e7 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQt5Core.so.5 #51 0x00007f044362b152 in QAction::triggered(bool) () from /usr/lib64/libQt5Widgets.so.5 #52 0x00007f044362dcb8 in QAction::activate(QAction::ActionEvent) () from /usr/lib64/libQt5Widgets.so.5 #53 0x00007f044371c3d0 in ?? () from /usr/lib64/libQt5Widgets.so.5 #54 0x00007f044371c514 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib64/libQt5Widgets.so.5 #55 0x00007f04437ecf3a in QToolButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib64/libQt5Widgets.so.5 #56 0x00007f044367a608 in QWidget::event(QEvent*) () from /usr/lib64/libQt5Widgets.so.5 #57 0x00007f04437ed019 in QToolButton::event(QEvent*) () from /usr/lib64/libQt5Widgets.so.5 #58 0x00007f0443631db4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5 #59 0x00007f044363a015 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5 #60 0x00007f0442200211 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5 #61 0x00007f0443638d27 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib64/libQt5Widgets.so.5 #62 0x00007f0443694b1b in ?? () from /usr/lib64/libQt5Widgets.so.5 #63 0x00007f04436974b3 in ?? () from /usr/lib64/libQt5Widgets.so.5 #64 0x00007f0443631db4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5 #65 0x00007f0443639775 in QApplication::notify(QObject*, QEvent*) () from /usr/lib64/libQt5Widgets.so.5 #66 0x00007f0442200211 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib64/libQt5Core.so.5 #67 0x00007f0443130ab8 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib64/libQt5Gui.so.5 #68 0x00007f0443132a75 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib64/libQt5Gui.so.5 #69 0x00007f0443113192 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Gui.so.5 #70 0x00007f042eebae80 in ?? () from /usr/lib64/libQt5XcbQpa.so.5 #71 0x00007f043d01b5ae in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0 #72 0x00007f043d01b815 in ?? () from /usr/lib64/libglib-2.0.so.0 #73 0x00007f043d01b8d4 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0 #74 0x00007f044224daaf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5 #75 0x00007f04421ff192 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5 #76 0x00007f0442206b74 in QCoreApplication::exec() () from /usr/lib64/libQt5Core.so.5 #77 0x000000000040c0f7 in ?? () #78 0x00007f0441848670 in __libc_start_main () from /lib64/libc.so.6 #79 0x000000000040c179 in _start () Possible duplicates by query: bug 375620, bug 375576, bug 375486, bug 375476, bug 375470. Reported using DrKonqi
Also crashed in Slackware64-current (using alienbob kde5 packages), Qt 5.7.1, Frameworks 5.30.0. The symptom is a bit different: System Settings is always crashed when I open Desktop Behavior -> Screen Locking -> click back or Apply. Here is gdb backtrace: Thread 1 "systemsettings5" received signal SIGSEGV, Segmentation fault. 0x00007ffff134f1d5 in QV4::WeakValue::free() () from /usr/lib64/libQt5Qml.so.5 (gdb) bt #0 0x00007ffff134f1d5 in QV4::WeakValue::free() () at /usr/lib64/libQt5Qml.so.5 #1 0x00007ffff13b8129 in QV4::QObjectWrapper::destroyObject(bool) () at /usr/lib64/libQt5Qml.so.5 #2 0x00007ffff125a3fc in QV4::MemoryManager::sweep(bool) () at /usr/lib64/libQt5Qml.so.5 #3 0x00007ffff125bf0c in QV4::MemoryManager::~MemoryManager() () at /usr/lib64/libQt5Qml.so.5 #4 0x00007ffff133ff32 in QV4::ExecutionEngine::~ExecutionEngine() () at /usr/lib64/libQt5Qml.so.5 #5 0x00007ffff146c568 in QV8Engine::~QV8Engine() () at /usr/lib64/libQt5Qml.so.5 #6 0x00007ffff146c689 in QV8Engine::~QV8Engine() () at /usr/lib64/libQt5Qml.so.5 #7 0x00007ffff12d61b6 in QJSEngine::~QJSEngine() () at /usr/lib64/libQt5Qml.so.5 #8 0x00007ffff13e0165 in QQmlEngine::~QQmlEngine() () at /usr/lib64/libQt5Qml.so.5 #9 0x00007ffff13e01f9 in QQmlEngine::~QQmlEngine() () at /usr/lib64/libQt5Qml.so.5 #10 0x00007ffff3085493 in QObjectPrivate::deleteChildren() () at /usr/lib64/libQt5Core.so.5 #11 0x00007ffff4e660e4 in QWidget::~QWidget() () at /usr/lib64/libQt5Widgets.so.5 #12 0x00007ffff1f840f9 in QQuickWidget::~QQuickWidget() () at /usr/lib64/libQt5QuickWidgets.so.5 #13 0x00007ffff3085493 in QObjectPrivate::deleteChildren() () at /usr/lib64/libQt5Core.so.5 #14 0x00007ffff4e660e4 in QWidget::~QWidget() () at /usr/lib64/libQt5Widgets.so.5 #15 0x00007ffff4e66399 in QWidget::~QWidget() () at /usr/lib64/libQt5Widgets.so.5 #16 0x00007ffff3085493 in QObjectPrivate::deleteChildren() () at /usr/lib64/libQt5Core.so.5 #17 0x00007ffff4e660e4 in QWidget::~QWidget() () at /usr/lib64/libQt5Widgets.so.5 #18 0x00007ffff4fa6129 in QStackedWidget::~QStackedWidget() () at /usr/lib64/libQt5Widgets.so.5 #19 0x00007ffff3085493 in QObjectPrivate::deleteChildren() () at /usr/lib64/libQt5Core.so.5 #20 0x00007ffff4e660e4 in QWidget::~QWidget() () at /usr/lib64/libQt5Widgets.so.5 #21 0x00007ffff4fb2579 in QTabWidget::~QTabWidget() () at /usr/lib64/libQt5Widgets.so.5 #22 0x00007ffff3085493 in QObjectPrivate::deleteChildren() () at /usr/lib64/libQt5Core.so.5 #23 0x00007ffff4e660e4 in QWidget::~QWidget() () at /usr/lib64/libQt5Widgets.so.5 #24 0x00007fffcc7dddee in () at /usr/lib64/qt5/plugins/screenlocker_kcm.so #25 0x00007ffff3085493 in QObjectPrivate::deleteChildren() () at /usr/lib64/libQt5Core.so.5 #26 0x00007ffff4e660e4 in QWidget::~QWidget() () at /usr/lib64/libQt5Widgets.so.5 #27 0x00007ffff6a430fd in KCModule::~KCModule() () at /usr/lib64/libKF5ConfigWidgets.so.5 #28 0x00007fffcc7e21cb in () at /usr/lib64/qt5/plugins/screenlocker_kcm.so #29 0x00007ffff7995984 in KCModuleProxy::deleteClient() () at /usr/lib64/libKF5KCMUtils.so.5 ---Type <return> to continue, or q <return> to quit--- #30 0x00007ffff7995a1a in KCModuleProxy::~KCModuleProxy() () at /usr/lib64/libKF5KCMUtils.so.5 #31 0x00007ffff7995b89 in KCModuleProxy::~KCModuleProxy() () at /usr/lib64/libKF5KCMUtils.so.5 #32 0x00007ffff3085493 in QObjectPrivate::deleteChildren() () at /usr/lib64/libQt5Core.so.5 #33 0x00007ffff4e660e4 in QWidget::~QWidget() () at /usr/lib64/libQt5Widgets.so.5 #34 0x00007ffff4e66399 in QWidget::~QWidget() () at /usr/lib64/libQt5Widgets.so.5 #35 0x00007ffff3085493 in QObjectPrivate::deleteChildren() () at /usr/lib64/libQt5Core.so.5 #36 0x00007ffff4e660e4 in QWidget::~QWidget() () at /usr/lib64/libQt5Widgets.so.5 #37 0x00007ffff4fce919 in QScrollArea::~QScrollArea() () at /usr/lib64/libQt5Widgets.so.5 #38 0x00007ffff55f84f3 in KPageWidgetItem::~KPageWidgetItem() () at /usr/lib64/libKF5WidgetsAddons.so.5 #39 0x00007ffff55f85c9 in KPageWidgetItem::~KPageWidgetItem() () at /usr/lib64/libKF5WidgetsAddons.so.5 #40 0x00007ffff55f8fab in () at /usr/lib64/libKF5WidgetsAddons.so.5 #41 0x00007ffff55f9b1e in KPageWidgetModel::removePage(KPageWidgetItem*) () at /usr/lib64/libKF5WidgetsAddons.so.5 #42 0x00007ffff7bd0d75 in ModuleView::closeModules() () at /usr/lib64/libsystemsettingsview.so.3 #43 0x00007fffccf49b5e in () at /usr/lib64/qt5/plugins/icon_mode.so #44 0x00007ffff3086cc1 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5 #45 0x00007ffff4e20002 in QAction::triggered(bool) () at /usr/lib64/libQt5Widgets.so.5 #46 0x00007ffff4e22710 in QAction::activate(QAction::ActionEvent) () at /usr/lib64/libQt5Widgets.so.5 #47 0x00007ffff4f08bf0 in () at /usr/lib64/libQt5Widgets.so.5 #48 0x00007ffff4f08cfc in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () at /usr/lib64/libQt5Widgets.so.5 #49 0x00007ffff4fc901a in QToolButton::mouseReleaseEvent(QMouseEvent*) () at /usr/lib64/libQt5Widgets.so.5 #50 0x00007ffff4e6a378 in QWidget::event(QEvent*) () at /usr/lib64/libQt5Widgets.so.5 #51 0x00007ffff4fc90e9 in QToolButton::event(QEvent*) () at /usr/lib64/libQt5Widgets.so.5 #52 0x00007ffff4e263fc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5 #53 0x00007ffff4e2dfdd in QApplication::notify(QObject*, QEvent*) () ---Type <return> to continue, or q <return> to quit--- at /usr/lib64/libQt5Widgets.so.5 #54 0x00007ffff305dc78 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5 #55 0x00007ffff4e2ce3f in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /usr/lib64/libQt5Widgets.so.5 #56 0x00007ffff4e83de6 in () at /usr/lib64/libQt5Widgets.so.5 #57 0x00007ffff4e8671b in () at /usr/lib64/libQt5Widgets.so.5 #58 0x00007ffff4e263fc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5 #59 0x00007ffff4e2d7f6 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5 #60 0x00007ffff305dc78 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5 #61 0x00007ffff46598a0 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /usr/lib64/libQt5Gui.so.5 #62 0x00007ffff465b635 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib64/libQt5Gui.so.5 #63 0x00007ffff463ad1b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Gui.so.5 #64 0x00007fffe6f967d0 in () at /usr/lib64/qt5/plugins/platforms/../../../libQt5XcbQpa.so.5 #65 0x00007fffea8cc877 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0 #66 0x00007fffea8ccaa8 in () at /usr/lib64/libglib-2.0.so.0 #67 0x00007fffea8ccb4c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0 #68 0x00007ffff30ae58f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5 #69 0x00007ffff305c1ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5 #70 0x00007ffff30641cd in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5 #71 0x000000000040cc3d in () #72 0x00007ffff21ac350 in __libc_start_main () at /lib64/libc.so.6 #73 0x000000000040cc99 in _start ()
*** This bug has been marked as a duplicate of bug 373628 ***