Application: systemsettings5 (5.3.0)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-15-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed: I was setting up the windows decorations - This was set up to "Oxygen-air" (taken from kde-look.org) and I wanted to go back to the default setting

- Custom settings of the application:

The crash can be reproduced every time.

-- Backtrace:
Application: Configuration du système (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6b39d1f780 (LWP 2231))]

Thread 5 (Thread 0x7f6b27525700 (LWP 2232)):
#0  0x00007f6b3648c8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f6b347a6b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f6b347a864f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f6b2a2e2099 in QXcbEventReader::run (this=0xaa7cb0) at qxcbconnection.cpp:1105
#4  0x00007f6b36b0db0e in QThreadPrivate::start (arg=0xaa7cb0) at thread/qthread_unix.cpp:337
#5  0x00007f6b336c06aa in start_thread (arg=0x7f6b27525700) at pthread_create.c:333
#6  0x00007f6b36497eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f6b17e2a700 (LWP 2233)):
#0  0x00007f6b331e67a4 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6b331a13f0 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6b331a1de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6b331a1fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6b36da4c6c in QEventDispatcherGlib::processEvents (this=0x7f6b100008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f6b36d493e2 in QEventLoop::exec (this=this@entry=0x7f6b17e29e20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f6b36b08b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f6b35ad3f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f6b36b0db0e in QThreadPrivate::start (arg=0xf683c0) at thread/qthread_unix.cpp:337
#9  0x00007f6b336c06aa in start_thread (arg=0x7f6b17e2a700) at pthread_create.c:333
#10 0x00007f6b36497eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f6b0ffff700 (LWP 2234)):
#0  0x00007f6b331e6789 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6b331a1641 in g_main_context_query () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6b331a1e37 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6b331a1fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6b36da4c6c in QEventDispatcherGlib::processEvents (this=0x7f6b080008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#5  0x00007f6b36d493e2 in QEventLoop::exec (this=this@entry=0x7f6b0fffee20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f6b36b08b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007f6b35ad3f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f6b36b0db0e in QThreadPrivate::start (arg=0x143de80) at thread/qthread_unix.cpp:337
#9  0x00007f6b336c06aa in start_thread (arg=0x7f6b0ffff700) at pthread_create.c:333
#10 0x00007f6b36497eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f6b0dddd700 (LWP 2235)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6b36b0ec6b in wait (time=18446744073709551615, this=0x141d160) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1597d90, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007f6b3557ffab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f6b355803a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007f6b36b0db0e in QThreadPrivate::start (arg=0x1597d10) at thread/qthread_unix.cpp:337
#6  0x00007f6b336c06aa in start_thread (arg=0x7f6b0dddd700) at pthread_create.c:333
#7  0x00007f6b36497eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f6b39d1f780 (LWP 2231)):
[KCrash Handler]
#6  0x00007f6b186bb8a7 in KDecoration2::Decoration::update(QRect const&) () from /usr/lib/x86_64-linux-gnu/libkdecorations2.so.5
#7  0x00007f6b186bb94b in KDecoration2::Decoration::update() () from /usr/lib/x86_64-linux-gnu/libkdecorations2.so.5
#8  0x00007f6b147b99e0 in Breeze::Decoration::setOpacity (this=this@entry=0x13cdd30, value=<optimized out>) at ../../kdecoration/breezedecoration.cpp:96
#9  0x00007f6b147db148 in Breeze::Decoration::qt_metacall (this=0x13cdd30, _c=QMetaObject::WriteProperty, _id=0, _a=0x7ffec9995000) at moc_breezedecoration.cpp:150
#10 0x00007f6b36aee5ca in updateProperty (newValue=..., this=0x13f6f80) at animation/qpropertyanimation.cpp:135
#11 QPropertyAnimation::updateCurrentValue (this=<optimized out>, value=...) at animation/qpropertyanimation.cpp:242
#12 0x00007f6b36ae9f48 in QVariantAnimationPrivate::setCurrentValueForProgress (this=this@entry=0x13f6f80, progress=progress@entry=0.96444444444444444) at animation/qvariantanimation.cpp:290
#13 0x00007f6b36aead1b in recalculateCurrentInterval (force=false, this=0x13f6f80) at animation/qvariantanimation.cpp:275
#14 QVariantAnimation::updateCurrentTime (this=<optimized out>) at animation/qvariantanimation.cpp:693
#15 0x00007f6b36ae6baf in QAbstractAnimation::setCurrentTime (this=0x1407cc0, msecs=130) at animation/qabstractanimation.cpp:1321
#16 0x00007f6b36ae6e96 in updateAnimationsTime (delta=20, this=0xc623f0) at animation/qabstractanimation.cpp:606
#17 QUnifiedTimer::updateAnimationTimers (this=0xd1ffc0) at animation/qabstractanimation.cpp:323
#18 0x00007f6b36ae77dc in QAnimationDriver::advanceAnimation (this=<optimized out>, timeStep=-1) at animation/qabstractanimation.cpp:820
#19 0x00007f6b355641ee in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007f6b3558268a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x00007f6b35584a8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007f6b3558530a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#23 0x00007f6b375837b5 in QWindow::event (this=0xef5b70, ev=<optimized out>) at kernel/qwindow.cpp:2051
#24 0x00007f6b355b6dd3 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#25 0x00007f6b37b37b2c in QApplicationPrivate::notify_helper (this=0xa7c5b0, receiver=0xef5b70, e=0x7ffec9995760) at kernel/qapplication.cpp:3720
#26 0x00007f6b37b3d000 in QApplication::notify (this=0x7ffec9995b60, receiver=0xef5b70, e=0x7ffec9995760) at kernel/qapplication.cpp:3503
#27 0x00007f6b36d4bc2b in QCoreApplication::notifyInternal (this=0x7ffec9995b60, receiver=receiver@entry=0xef5b70, event=event@entry=0x7ffec9995760) at kernel/qcoreapplication.cpp:935
#28 0x00007f6b3757be86 in sendSpontaneousEvent (event=0x7ffec9995760, receiver=0xef5b70) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#29 QGuiApplicationPrivate::processExposeEvent (e=0x142e020) at kernel/qguiapplication.cpp:2613
#30 0x00007f6b3757cbbd in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x142e020) at kernel/qguiapplication.cpp:1638
#31 0x00007f6b3756134f in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572
#32 0x00007f6b2a30c590 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#33 0x00007f6b331a1c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f6b331a1f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f6b331a1fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f6b36da4c57 in QEventDispatcherGlib::processEvents (this=0xaec8c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#37 0x00007f6b36d493e2 in QEventLoop::exec (this=this@entry=0x7ffec9995a40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#38 0x00007f6b36d5102c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#39 0x00007f6b3757231c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#40 0x00007f6b37b337a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#41 0x000000000040ef5b in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:55

Reported using DrKonqi