Application: systemsettings5 (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-18-generic x86_64
Distribution: Ubuntu 15.04

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

start the system settings from application launcher

select Application styles

click windows decoration icons

Application crashed

-- Backtrace:
Application: System Settings (systemsettings5), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f839dcdb780 (LWP 13595))]

Thread 3 (Thread 0x7f838b4f9700 (LWP 13596)):
#0  0x00007f839a43d8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f8398757b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f839875964f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f838e28c099 in QXcbEventReader::run (this=0x21bf8a0) at qxcbconnection.cpp:1105
#4  0x00007f839aabeb0e in QThreadPrivate::start (arg=0x21bf8a0) at thread/qthread_unix.cpp:337
#5  0x00007f83976716aa in start_thread (arg=0x7f838b4f9700) at pthread_create.c:333
#6  0x00007f839a448eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f837c5f8700 (LWP 13605)):
#0  0x00007f839a43d8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f8397152ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8397152fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f839ad55c6c in QEventDispatcherGlib::processEvents (this=0x7f83740008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007f839acfa3e2 in QEventLoop::exec (this=this@entry=0x7f837c5f7e20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f839aab9b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f8399a84f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f839aabeb0e in QThreadPrivate::start (arg=0x24e3c90) at thread/qthread_unix.cpp:337
#8  0x00007f83976716aa in start_thread (arg=0x7f837c5f8700) at pthread_create.c:333
#9  0x00007f839a448eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f839dcdb780 (LWP 13595)):
[KCrash Handler]
#6  0x00007f839a377267 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
#7  0x00007f839a378eca in __GI_abort () at abort.c:89
#8  0x00007f839aaabedf in qt_message_fatal (context=..., message=...) at global/qlogging.cpp:1415
#9  QMessageLogger::fatal (this=0x7ffc58f73a40, msg=<optimized out>) at global/qlogging.cpp:636
#10 0x00007f839952c791 in QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f839953606f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f839953630a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007f839b5347b5 in QWindow::event (this=0x2607030, ev=<optimized out>) at kernel/qwindow.cpp:2051
#14 0x00007f8399567dd3 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007f839bae8b2c in QApplicationPrivate::notify_helper (this=0x2195550, receiver=0x2607030, e=0x7ffc58f73ec0) at kernel/qapplication.cpp:3720
#16 0x00007f839baee000 in QApplication::notify (this=0x7ffc58f742c0, receiver=0x2607030, e=0x7ffc58f73ec0) at kernel/qapplication.cpp:3503
#17 0x00007f839acfcc2b in QCoreApplication::notifyInternal (this=0x7ffc58f742c0, receiver=receiver@entry=0x2607030, event=event@entry=0x7ffc58f73ec0) at kernel/qcoreapplication.cpp:935
#18 0x00007f839b52ce86 in sendSpontaneousEvent (event=0x7ffc58f73ec0, receiver=0x2607030) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#19 QGuiApplicationPrivate::processExposeEvent (e=0x25d9e90) at kernel/qguiapplication.cpp:2613
#20 0x00007f839b52dbbd in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x25d9e90) at kernel/qguiapplication.cpp:1638
#21 0x00007f839b51234f in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572
#22 0x00007f838e2b6590 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#23 0x00007f8397152c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f8397152f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f8397152fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f839ad55c57 in QEventDispatcherGlib::processEvents (this=0x21fac20, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#27 0x00007f839acfa3e2 in QEventLoop::exec (this=this@entry=0x7ffc58f741a0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#28 0x00007f839ad0202c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#29 0x00007f839b52331c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#30 0x00007f839bae47a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#31 0x000000000040eebc in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:54

Reported using DrKonqi