Application: systemsettings5 (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-14-generic x86_64
Distribution: Ubuntu Vivid Vervet (development branch)

-- Information about the crash:
- What I was doing when the application crashed:
I was adjusting things in system settings, I don't remember where I was.
Applications was running: Ekiga (active), smplayer (paused), skype, firefox, double commander. Pkexec was running in the background doing nothing.
hw: #14-Ubuntu SMP Mon Apr 13 22:18:24 UTC 2015, Radeon 6670 with fglrx driver opengl2.0 renderer

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc664e48780 (LWP 2721))]

Thread 2 (Thread 0x7fc655548700 (LWP 2722)):
#0  0x00007fc6615b98dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fc65f8d3b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fc65f8d564f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fc6582db099 in QXcbEventReader::run (this=0x21e38a0) at qxcbconnection.cpp:1105
#4  0x00007fc661c3ab0e in QThreadPrivate::start (arg=0x21e38a0) at thread/qthread_unix.cpp:337
#5  0x00007fc65e7ed6aa in start_thread (arg=0x7fc655548700) at pthread_create.c:333
#6  0x00007fc6615c4eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fc664e48780 (LWP 2721)):
[KCrash Handler]
#6  0x00007fc6606c2d6b in QQuickItemPrivate::addToDirtyList() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fc6606c2e28 in QQuickItemPrivate::dirty(QQuickItemPrivate::DirtyType) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fc6606cd045 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007fc661eaa73a in QObject::event (this=0x29b5430, e=<optimized out>) at kernel/qobject.cpp:1245
#10 0x00007fc6606cbb6b in QQuickItem::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007fc662c64b2c in QApplicationPrivate::notify_helper (this=0x21c9e70, receiver=0x29b5430, e=0x7fc63004abc0) at kernel/qapplication.cpp:3720
#12 0x00007fc662c6a000 in QApplication::notify (this=0x7ffd0de2c7c0, receiver=0x29b5430, e=0x7fc63004abc0) at kernel/qapplication.cpp:3503
#13 0x00007fc661e78c2b in QCoreApplication::notifyInternal (this=0x7ffd0de2c7c0, receiver=0x29b5430, event=event@entry=0x7fc63004abc0) at kernel/qcoreapplication.cpp:935
#14 0x00007fc661e7ac9b in sendEvent (event=0x7fc63004abc0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x21c90c0) at kernel/qcoreapplication.cpp:1552
#16 0x00007fc661e7b298 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#17 0x00007fc661ed1843 in postEventSourceDispatch (s=0x2212160) at kernel/qeventdispatcher_glib.cpp:271
#18 0x00007fc65e2cec3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007fc65e2cef20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fc65e2cefcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fc661ed1c57 in QEventDispatcherGlib::processEvents (this=0x2200c00, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#22 0x00007fc661e763e2 in QEventLoop::exec (this=this@entry=0x7ffd0de2c6a0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#23 0x00007fc661e7e02c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#24 0x00007fc66269f31c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#25 0x00007fc662c607a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#26 0x000000000040eebc in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:54

Reported using DrKonqi