Application: systemsettings5 (5.4.1)

Qt Version: 5.5.0
Operating System: Linux 4.1.7-200.fc22.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:

The System just crashed randomly, usually happens after 5 to 10 mins of using the Application. Also occurs with other system applications like terminal, web browsers etc.

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 0x7f2b6ba15880 (LWP 4705))]

Thread 3 (Thread 0x7f2b4e62b700 (LWP 4706)):
#0  0x00007f2b65d0d2fd in poll () at /lib64/libc.so.6
#1  0x00007f2b62c60182 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f2b62c61c77 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f2b521d6999 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f2b6691954e in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007f2b6241c555 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f2b65d18b9d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f2b3fde0700 (LWP 4714)):
#0  0x00007f2b65d0d2fd in poll () at /lib64/libc.so.6
#1  0x00007f2b61665dbc in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f2b61666142 in g_main_loop_run () at /lib64/libglib-2.0.so.0
#3  0x00007f2b3fec0696 in gdbus_shared_thread_func () at /lib64/libgio-2.0.so.0
#4  0x00007f2b6168d0a5 in g_thread_proxy () at /lib64/libglib-2.0.so.0
#5  0x00007f2b6241c555 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f2b65d18b9d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f2b6ba15880 (LWP 4705)):
[KCrash Handler]
#5  0x00007f2b655b9462 in QQuickItemPrivate::addToDirtyList() () at /lib64/libQt5Quick.so.5
#6  0x00007f2b655b9503 in QQuickItemPrivate::dirty(QQuickItemPrivate::DirtyType) () at /lib64/libQt5Quick.so.5
#7  0x00007f2b655c644d in QQuickItem::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () at /lib64/libQt5Quick.so.5
#8  0x00007f2b66b2a021 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#9  0x00007f2b655c353b in QQuickItem::event(QEvent*) () at /lib64/libQt5Quick.so.5
#10 0x00007f2b686144ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#11 0x00007f2b68619976 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#12 0x00007f2b66afa61b in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#13 0x00007f2b66afca16 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#14 0x00007f2b66b50983 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#15 0x00007f2b61665a8a in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#16 0x00007f2b61665e20 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#17 0x00007f2b61665ecc in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#18 0x00007f2b66b50d8f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#19 0x00007f2b66af7daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#20 0x00007f2b66affe6c in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#21 0x000000000040ea5b in main ()

Possible duplicates by query: bug 352905, bug 352402, bug 351907, bug 351784, bug 349685.

Reported using DrKonqi