Application: systemsettings5 (5.3.2)

Qt Version: 5.4.2
Operating System: Linux 4.0.7-300.fc22.x86_64 x86_64
Distribution: "Fedora release 22 (Twenty Two)"

-- Information about the crash:
Nothing at all with the setup dialog.  It was open in a different desktop.  I had just closed a Konsoe session and the bug dialog poped up.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f3d447dd840 (LWP 2635))]

Thread 7 (Thread 0x7f3d292c7700 (LWP 2636)):
#0  0x00007f3d3ea7e66d in poll () from /lib64/libc.so.6
#1  0x00007f3d3b992182 in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007f3d3b993d07 in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007f3d2bcdf9b9 in QXcbEventReader::run() () from /usr/lib64/qt5/plugins/platforms/libqxcb.so
#4  0x00007f3d3f68fe3e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#5  0x00007f3d3b13f555 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f3d3ea89f3d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f3d1bf27700 (LWP 2637)):
#0  0x00007f3d3b144530 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f3d1eed426a in radeon_drm_cs_emit_ioctl () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f3d1eed39e7 in impl_thrd_routine () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f3d3b13f555 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f3d3ea89f3d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f3cfabd7700 (LWP 2666)):
#0  0x00007f3d3ea7e66d in poll () from /lib64/libc.so.6
#1  0x00007f3cfabe758c in linux_udev_event_thread_main () from /lib64/libusb-1.0.so.0
#2  0x00007f3d3b13f555 in start_thread () from /lib64/libpthread.so.0
#3  0x00007f3d3ea89f3d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f3cf27fc700 (LWP 2681)):
#0  0x00007f3d3ea7e66d in poll () from /lib64/libc.so.6
#1  0x00007f3d3a379dbc in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f3d3a37a142 in g_main_loop_run () from /lib64/libglib-2.0.so.0
#3  0x00007f3cf8d87696 in gdbus_shared_thread_func () from /lib64/libgio-2.0.so.0
#4  0x00007f3d3a3a10a5 in g_thread_proxy () from /lib64/libglib-2.0.so.0
#5  0x00007f3d3b13f555 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f3d3ea89f3d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f3d0ffff700 (LWP 3368)):
#0  0x00007f3d3a3797ed in g_main_context_check () from /lib64/libglib-2.0.so.0
#1  0x00007f3d3a379d60 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007f3d3a379ecc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f3d3f8c6b8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007f3d3f86ceba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007f3d3f68af54 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f3d3de53955 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007f3d3f68fe3e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007f3d3b13f555 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f3d3ea89f3d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f3ce8b46700 (LWP 3369)):
#0  0x00007fff003fa927 in ?? ()
#1  0x00007fff003facc1 in clock_gettime ()
#2  0x00007f3d3ea9813d in clock_gettime () from /lib64/libc.so.6
#3  0x00007f3d3f740f16 in qt_gettime() () from /lib64/libQt5Core.so.5
#4  0x00007f3d3f8c4619 in QTimerInfoList::updateCurrentTime() () from /lib64/libQt5Core.so.5
#5  0x00007f3d3f8c4b85 in QTimerInfoList::timerWait(timespec&) () from /lib64/libQt5Core.so.5
#6  0x00007f3d3f8c5f6e in timerSourcePrepare(_GSource*, int*) () from /lib64/libQt5Core.so.5
#7  0x00007f3d3a37935d in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#8  0x00007f3d3a379ceb in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#9  0x00007f3d3a379ecc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#10 0x00007f3d3f8c6b8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#11 0x00007f3d3f86ceba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#12 0x00007f3d3f68af54 in QThread::exec() () from /lib64/libQt5Core.so.5
#13 0x00007f3d3de53955 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#14 0x00007f3d3f68fe3e in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#15 0x00007f3d3b13f555 in start_thread () from /lib64/libpthread.so.0
#16 0x00007f3d3ea89f3d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f3d447dd840 (LWP 2635)):
[KCrash Handler]
#5  0x00007f3d3b993b5c in xcb_wait_for_reply () from /lib64/libxcb.so.1
#6  0x00007f3d0d034a5c in XcbAtom::atom() () from /usr/lib64/qt5/plugins/kded_touchpad.so
#7  0x00007f3d0d035a8d in XlibBackend::findTouchpad(XcbAtom&) () from /usr/lib64/qt5/plugins/kded_touchpad.so
#8  0x00007f3d0d035ef1 in XlibBackend::devicePlugged(int) () from /usr/lib64/qt5/plugins/kded_touchpad.so
#9  0x00007f3d3f8a007a in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#10 0x00007f3d0d040cf4 in XlibNotifications::processEvent(_XEvent*) [clone .part.0] [clone .constprop.2] () from /usr/lib64/qt5/plugins/kded_touchpad.so
#11 0x00007f3d0d040e4d in XlibNotifications::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib64/qt5/plugins/kded_touchpad.so
#12 0x00007f3d3f8a007a in QMetaObject::activate(QObject*, int, int, void**) () from /lib64/libQt5Core.so.5
#13 0x00007f3d3f91930e in QSocketNotifier::activated(int, QSocketNotifier::QPrivateSignal) () from /lib64/libQt5Core.so.5
#14 0x00007f3d3f8ac66b in QSocketNotifier::event(QEvent*) () from /lib64/libQt5Core.so.5
#15 0x00007f3d413827ec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#16 0x00007f3d41387e90 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#17 0x00007f3d3f86f67b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#18 0x00007f3d3f8c703d in socketNotifierSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5Core.so.5
#19 0x00007f3d3a379a8a in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#20 0x00007f3d3a379e20 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#21 0x00007f3d3a379ecc in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#22 0x00007f3d3f8c6b6f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#23 0x00007f3d3f86ceba in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#24 0x00007f3d3f874a2c in QCoreApplication::exec() () from /lib64/libQt5Core.so.5
#25 0x000000000040eb1b in main ()

Reported using DrKonqi