Bug 375636

Summary:	Crashing when Using System Settings -> Desktop Behavior
Product:	[Applications] systemsettings	Reporter:	Christian <christian_burger>
Component:	general	Assignee:	Plasma Bugs List <plasma-bugs-null>
Status:	RESOLVED DUPLICATE
Severity:	crash	CC:	walecha99
Priority:	NOR	Keywords:	drkonqi
Version First Reported In:	5.8.5
Target Milestone:	---
Platform:	Compiled Sources
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Christian 2017-01-28 03:01:14 UTC

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

Comment 1 Widya Walesa 2017-01-28 20:38:19 UTC

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 ()

Comment 2 Christoph Feck 2017-02-01 23:03:00 UTC


*** This bug has been marked as a duplicate of bug 373628 ***