Bug 394861

Application: systemsettings5 (5.12.4)

Qt Version: 5.10.1
Frameworks Version: 5.44.0
Operating System: Linux 4.16.3-301.fc28.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:
searching for lockscreen settings and system settings crashed

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f07f1906940 (LWP 2922))]

Thread 5 (Thread 0x7f07c6191700 (LWP 2929)):
#0  0x00007f07f472e218 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007f07f46e703c in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#2  0x00007f07f46e7a3b in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007f07f46e7c30 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007f07fcae2c2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f07fca9112b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007f07fc8df9c6 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007f07fadf4339 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#8  0x00007f07fc8e411d in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007f07f940f564 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f07fbc2131f in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f07cc9f9700 (LWP 2928)):
#0  0x00007f07f46e752e in g_main_context_check () from /lib64/libglib-2.0.so.0
#1  0x00007f07f46e7ab0 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f07f46e7c30 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f07fcae2c2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f07fca9112b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f07fc8df9c6 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f07fadf4339 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f07fc8e411d in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f07f940f564 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f07fbc2131f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f07d9c84700 (LWP 2926)):
#0  0x00007f07f46e7164 in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#1  0x00007f07f46e7a3b in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f07f46e7c30 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f07fcae2c2b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f07fca9112b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f07fc8df9c6 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f07fdd68299 in QDBusConnectionManager::run() () from /lib64/libQt5DBus.so.5
#7  0x00007f07fc8e411d in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f07f940f564 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f07fbc2131f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f07e2639700 (LWP 2925)):
#0  0x00007f07fbc16929 in poll () from /lib64/libc.so.6
#1  0x00007f07f827504f in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007f07f8276caa in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007f07e4fe74d9 in QXcbEventReader::run() () from /lib64/libQt5XcbQpa.so.5
#4  0x00007f07fc8e411d in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#5  0x00007f07f940f564 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f07fbc2131f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f07f1906940 (LWP 2922)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007f07fca9bb0d in QMetaObject::cast(QObject const*) const () from /lib64/libQt5Core.so.5
#8  0x00007f07fd646c57 in QGestureManager::filterEvent(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#9  0x00007f07fd5fdf55 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#10 0x00007f07fca92376 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#11 0x00007f07fb120985 in QQuickKeysAttached::keyReleased(QKeyEvent*, bool) () from /lib64/libQt5Quick.so.5
#12 0x00007f07fb120635 in QQuickItemPrivate::filterKeyEvent(QKeyEvent*, bool) () from /lib64/libQt5Quick.so.5
#13 0x00007f07fb12b829 in QQuickItemPrivate::deliverKeyEvent(QKeyEvent*) () from /lib64/libQt5Quick.so.5
#14 0x00007f07fb12bb65 in QQuickItem::event(QEvent*) () from /lib64/libQt5Quick.so.5
#15 0x00007f07fd5f4e95 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#16 0x00007f07fd5fc83a in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#17 0x00007f07fca92376 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#18 0x00007f07fb139628 in QQuickWindowPrivate::deliverKeyEvent(QKeyEvent*) () from /lib64/libQt5Quick.so.5
#19 0x00007f07fb13e6d3 in QQuickWindow::keyReleaseEvent(QKeyEvent*) () from /lib64/libQt5Quick.so.5
#20 0x00007f07fd0b5ba5 in QWindow::event(QEvent*) () from /lib64/libQt5Gui.so.5
#21 0x00007f07fb1488df in QQuickWindow::event(QEvent*) () from /lib64/libQt5Quick.so.5
#22 0x00007f07fd5f4e95 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#23 0x00007f07fd5fc83a in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#24 0x00007f07fca92376 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#25 0x00007f0800f808f0 in QQuickWidget::keyReleaseEvent(QKeyEvent*) () from /lib64/libQt5QuickWidgets.so.5
#26 0x00007f07fd634bb8 in QWidget::event(QEvent*) () from /lib64/libQt5Widgets.so.5
#27 0x00007f0800f82175 in QQuickWidget::event(QEvent*) () from /lib64/libQt5QuickWidgets.so.5
#28 0x00007f07fd5f4e95 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#29 0x00007f07fd5fcc49 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#30 0x00007f07fca92376 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#31 0x00007f07fd652729 in QWidgetWindow::event(QEvent*) () from /lib64/libQt5Widgets.so.5
#32 0x00007f07fd5f4e95 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#33 0x00007f07fd5fc83a in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#34 0x00007f07fca92376 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#35 0x00007f07fd0a63c0 in QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*) () from /lib64/libQt5Gui.so.5
#36 0x00007f07fd0ab8a5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /lib64/libQt5Gui.so.5
#37 0x00007f07fd08555b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Gui.so.5
#38 0x00007f07e507506f in QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5XcbQpa.so.5
#39 0x00007f07fca9112b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#40 0x00007f07fca995b6 in QCoreApplication::exec() () from /lib64/libQt5Core.so.5
#41 0x000055768a0f4009 in main ()

Possible duplicates by query: bug 390077, bug 389526, bug 389467, bug 388187, bug 385774.

Reported using DrKonqi