Application: systemsettings5 (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-28-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:
Stavo impostando le configurazioni dello schermo. Crashato dopo aver cliccato su applica.

-- Backtrace:
Application: Impostazioni di sistema (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ff9717a1780 (LWP 1937))]

Thread 3 (Thread 0x7ff95efc9700 (LWP 1938)):
#0  0x00007ff96df038dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ff96c21db72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007ff96c21f64f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007ff961d5c099 in QXcbEventReader::run (this=0x14cca80) at qxcbconnection.cpp:1105
#4  0x00007ff96e584b0e in QThreadPrivate::start (arg=0x14cca80) at thread/qthread_unix.cpp:337
#5  0x00007ff96b1376aa in start_thread (arg=0x7ff95efc9700) at pthread_create.c:333
#6  0x00007ff96df0eeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7ff926ffd700 (LWP 2138)):
#0  0x00007ff96df038dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ff96ac18ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff96ac19242 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff9430d1af6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007ff96ac3f955 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff96b1376aa in start_thread (arg=0x7ff926ffd700) at pthread_create.c:333
#6  0x00007ff96df0eeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7ff9717a1780 (LWP 1937)):
[KCrash Handler]
#6  0x00007ff96d00cd7e in QQuickItemPrivate::addToDirtyList() () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007ff96d00ce28 in QQuickItemPrivate::dirty(QQuickItemPrivate::DirtyType) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007ff96d017045 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007ff96e7f473a in QObject::event (this=0x2087d30, e=<optimized out>) at kernel/qobject.cpp:1245
#10 0x00007ff96d015b6b in QQuickItem::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007ff96f5aeb2c in QApplicationPrivate::notify_helper (this=0x149f550, receiver=0x2087d30, e=0x7ff92018b4e0) at kernel/qapplication.cpp:3720
#12 0x00007ff96f5b4000 in QApplication::notify (this=0x7ffe3cb09d40, receiver=0x2087d30, e=0x7ff92018b4e0) at kernel/qapplication.cpp:3503
#13 0x00007ff96e7c2c2b in QCoreApplication::notifyInternal (this=0x7ffe3cb09d40, receiver=0x2087d30, event=event@entry=0x7ff92018b4e0) at kernel/qcoreapplication.cpp:935
#14 0x00007ff96e7c4c9b in sendEvent (event=0x7ff92018b4e0, 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=0x149e770) at kernel/qcoreapplication.cpp:1552
#16 0x00007ff96e7c5298 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1410
#17 0x00007ff96e81b843 in postEventSourceDispatch (s=0x150ab30) at kernel/qeventdispatcher_glib.cpp:271
#18 0x00007ff96ac18c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007ff96ac18f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007ff96ac18fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007ff96e81bc57 in QEventDispatcherGlib::processEvents (this=0x1511e50, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#22 0x00007ff96e7c03e2 in QEventLoop::exec (this=this@entry=0x7ffe3cb09c20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#23 0x00007ff96e7c802c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#24 0x00007ff96efe931c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#25 0x00007ff96f5aa7a5 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