Application: systemsettings5 (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-15-generic i686
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:
I was changing settings, And once I was done, I clicked the "< Overview" button, and it crashed

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb039aac0 (LWP 15628))]

Thread 3 (Thread 0xaff1cb40 (LWP 15629)):
#0  0xb77dcbe0 in __kernel_vsyscall ()
#1  0xb5da13db in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0xb505a3a8 in ?? () from /usr/lib/i386-linux-gnu/libxcb.so.1
#3  0xb505c394 in xcb_wait_for_event () from /usr/lib/i386-linux-gnu/libxcb.so.1
#4  0xb00ca7d3 in QXcbEventReader::run (this=0x8143ab0) at qxcbconnection.cpp:1105
#5  0xb5ffc7eb in QThreadPrivate::start (arg=0x8143ab0) at thread/qthread_unix.cpp:337
#6  0xb4c651aa in start_thread (arg=0xaff1cb40) at pthread_create.c:333
#7  0xb5dabfde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 2 (Thread 0xaaf36b40 (LWP 15634)):
#0  0xb77dcbe0 in __kernel_vsyscall ()
#1  0xb5da13db in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0xb4b30120 in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb4b21014 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb4b21439 in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xab91d335 in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0xb4b4840a in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0xb4c651aa in start_thread (arg=0xaaf36b40) at pthread_create.c:333
#8  0xb5dabfde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 1 (Thread 0xb039aac0 (LWP 15628)):
[KCrash Handler]
#7  0xb53c6f16 in QQuickItemPrivate::addToDirtyList() () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#8  0xb53c6fc1 in QQuickItemPrivate::dirty(QQuickItemPrivate::DirtyType) () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#9  0xb53c781a in QQuickItem::update() () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#10 0xb53d1bf9 in ?? () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#11 0xb6258590 in QMetaCallEvent::placeMetaCall (this=0xa9b576e0, object=0x862fe98) at kernel/qobject.cpp:485
#12 0xb625bd03 in QObject::event (this=0x862fe98, e=0xa9b576e0) at kernel/qobject.cpp:1245
#13 0xb53d05ca in QQuickItem::event(QEvent*) () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#14 0xb6ca982a in QApplicationPrivate::notify_helper (this=0x8123c60, receiver=0x862fe98, e=0xa9b576e0) at kernel/qapplication.cpp:3720
#15 0xb6caf081 in QApplication::notify (this=0xbfff8de0, receiver=0x862fe98, e=0xa9b576e0) at kernel/qapplication.cpp:3503
#16 0xb6227b8a in QCoreApplication::notifyInternal (this=0xbfff8de0, receiver=0x862fe98, event=0xa9b576e0) at kernel/qcoreapplication.cpp:935
#17 0xb6229e7c in sendEvent (event=0xa9b576e0, receiver=0x862fe98) at kernel/qcoreapplication.h:228
#18 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x81235c0) at kernel/qcoreapplication.cpp:1552
#19 0xb622a597 in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1410
#20 0xb62835d3 in postEventSourceDispatch (s=0x8171f50) at kernel/qeventdispatcher_glib.cpp:271
#21 0xb4b20d64 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#22 0xb4b21089 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#23 0xb4b21156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#24 0xb62839e4 in QEventDispatcherGlib::processEvents (this=0x8174190, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#25 0xb00f7611 in QPAEventDispatcherGlib::processEvents (this=0x8174190, flags=...) at eventdispatchers/qeventdispatcher_glib.cpp:115
#26 0xb6224d93 in QEventLoop::processEvents (this=0xbfff8d18, flags=...) at kernel/qeventloop.cpp:128
#27 0xb62251fa in QEventLoop::exec (this=0xbfff8d18, flags=...) at kernel/qeventloop.cpp:204
#28 0xb622d315 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#29 0xb66e0a41 in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#30 0xb6ca4da4 in QApplication::exec () at kernel/qapplication.cpp:2956
#31 0x08053f85 in main (argc=1, argv=0xbfff8eb4) at ../../app/main.cpp:54

Reported using DrKonqi