Bug 351786

Application: systemsettings5 (5.3.2)

Qt Version: 5.5.0
Operating System: Linux 4.1.6-200.fc22.x86_64 x86_64
Distribution: "Fedora release 22 (Twenty Two)"

-- Information about the crash:
System-settings crash when I go to compositing and want return on main menu

The crash can be reproduced every time.

-- Backtrace:
Application: Configuration du système (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9b30345880 (LWP 17066))]

Thread 2 (Thread 0x7f9b28fe5700 (LWP 17067)):
#0  0x0000003029ef72fd in poll () at /lib64/libc.so.6
#1  0x000000302d60a182 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x000000302d60bc77 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f9b2979f999 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x000000369d6a254e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x000000302aa07555 in start_thread () at /lib64/libpthread.so.0
#6  0x0000003029f02b9d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f9b30345880 (LWP 17066)):
[KCrash Handler]
#5  0x00007f9b34649d20 in QQuickWindow::maybeUpdate() () at /lib64/libQt5Quick.so.5
#6  0x00007f9b34636503 in QQuickItemPrivate::dirty(QQuickItemPrivate::DirtyType) () at /lib64/libQt5Quick.so.5
#7  0x00007f9b3464344d in QQuickItem::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () at /lib64/libQt5Quick.so.5
#8  0x000000369d8b3021 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#9  0x00007f9b3464053b in QQuickItem::event(QEvent*) () at /lib64/libQt5Quick.so.5
#10 0x00007f9b359c24ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#11 0x00007f9b359c7976 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#12 0x000000369d88361b in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#13 0x000000369d885a16 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#14 0x000000369d8d9983 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#15 0x000000302ba49a8a in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#16 0x000000302ba49e20 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#17 0x000000302ba49ecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#18 0x000000369d8d9d8f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#19 0x000000369d880daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#20 0x000000369d888e6c in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#21 0x000000000040eb1b in main ()

Possible duplicates by query: bug 348782, bug 348517.

Reported using DrKonqi