Application: systemsettings5 (5.3.0)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-16-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:
Navigating through system settings. Then system settings crashed.

-- 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 0x7fb011a3c780 (LWP 2633))]

Thread 3 (Thread 0x7fafff0f8700 (LWP 2634)):
#0  0x00007fb00e1a08dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fb00c4bab72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fb00c4bc64f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fb001e8b099 in QXcbEventReader::run (this=0x2371990) at qxcbconnection.cpp:1105
#4  0x00007fb00e821b0e in QThreadPrivate::start (arg=0x2371990) at thread/qthread_unix.cpp:337
#5  0x00007fb00b3d46aa in start_thread (arg=0x7fafff0f8700) at pthread_create.c:333
#6  0x00007fb00e1abeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7faff057b700 (LWP 2635)):
#0  0x00007fb00aefa789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fb00aeb5641 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb00aeb5e37 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb00aeb5fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb00eab8c6c in QEventDispatcherGlib::processEvents (this=0x7fafe80008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007fb00ea5d3e2 in QEventLoop::exec (this=this@entry=0x7faff057ae20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fb00e81cb44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fb00d7e7f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fb00e821b0e in QThreadPrivate::start (arg=0x286b1f0) at thread/qthread_unix.cpp:337
#9  0x00007fb00b3d46aa in start_thread (arg=0x7faff057b700) at pthread_create.c:333
#10 0x00007fb00e1abeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fb011a3c780 (LWP 2633)):
[KCrash Handler]
#6  0x00007fb00d2a9d7e in QQuickItemPrivate::addToDirtyList() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fb00d2a9e28 in QQuickItemPrivate::dirty(QQuickItemPrivate::DirtyType) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fb00d2b4045 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007fb00ea9173a in QObject::event (this=0x2f59400, e=<optimized out>) at kernel/qobject.cpp:1245
#10 0x00007fb00d2b2b6b in QQuickItem::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007fb00f84bb2c in QApplicationPrivate::notify_helper (this=0x2343560, receiver=0x2f59400, e=0x7fafd413b700) at kernel/qapplication.cpp:3720
#12 0x00007fb00f851000 in QApplication::notify (this=0x7fff77af66d0, receiver=0x2f59400, e=0x7fafd413b700) at kernel/qapplication.cpp:3503
#13 0x00007fb00ea5fc2b in QCoreApplication::notifyInternal (this=0x7fff77af66d0, receiver=0x2f59400, event=event@entry=0x7fafd413b700) at kernel/qcoreapplication.cpp:935
#14 0x00007fb00ea61c9b in sendEvent (event=0x7fafd413b700, 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=0x2342780) at kernel/qcoreapplication.cpp:1552
#16 0x00007fb00ea62298 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#17 0x00007fb00eab8843 in postEventSourceDispatch (s=0x23baab0) at kernel/qeventdispatcher_glib.cpp:271
#18 0x00007fb00aeb5c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007fb00aeb5f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fb00aeb5fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fb00eab8c57 in QEventDispatcherGlib::processEvents (this=0x23b8ab0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#22 0x00007fb00ea5d3e2 in QEventLoop::exec (this=this@entry=0x7fff77af65b0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#23 0x00007fb00ea6502c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#24 0x00007fb00f28631c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#25 0x00007fb00f8477a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#26 0x000000000040ef5b in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:55

Reported using DrKonqi