Application: systemsettings5 (5.3.0)
 (Compiled from sources)
Qt Version: 5.4.1
Operating System: Linux 3.19.0-18-generic x86_64
Distribution: Netrunner 16

-- Information about the crash:
- What I was doing when the application crashed:
I was launching system setting and I was trying to change window decoration

-- 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 0x7fa34452d780 (LWP 3781))]

Thread 5 (Thread 0x7fa331e32700 (LWP 3782)):
#0  0x00007fa340c9a8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fa33efb3b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fa33efb564f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fa334bc5099 in QXcbEventReader::run (this=0x16f69d0) at qxcbconnection.cpp:1105
#4  0x00007fa34131bb0e in QThreadPrivate::start (arg=0x16f69d0) at thread/qthread_unix.cpp:337
#5  0x00007fa33decd6aa in start_thread (arg=0x7fa331e32700) at pthread_create.c:333
#6  0x00007fa340ca5eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fa322895700 (LWP 3783)):
#0  0x00007fa33d9ade5e in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa33d9aed75 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa33d9aefcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa3415b2c6c in QEventDispatcherGlib::processEvents (this=0x7fa31c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#4  0x00007fa3415573e2 in QEventLoop::exec (this=this@entry=0x7fa322894e20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fa341316b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fa3402e0f75 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fa34131bb0e in QThreadPrivate::start (arg=0x1c908e0) at thread/qthread_unix.cpp:337
#8  0x00007fa33decd6aa in start_thread (arg=0x7fa322895700) at pthread_create.c:333
#9  0x00007fa340ca5eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fa31aa3e700 (LWP 3784)):
#0  0x00007fa340c9649d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fa33d9f22f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa33d9ae96c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa33d9aee60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa33d9aefcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa3415b2c6c in QEventDispatcherGlib::processEvents (this=0x7fa3140008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#6  0x00007fa3415573e2 in QEventLoop::exec (this=this@entry=0x7fa31aa3de20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fa341316b44 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007fa3402e0f75 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fa34131bb0e in QThreadPrivate::start (arg=0x2125ab0) at thread/qthread_unix.cpp:337
#10 0x00007fa33decd6aa in start_thread (arg=0x7fa31aa3e700) at pthread_create.c:333
#11 0x00007fa340ca5eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fa313fff700 (LWP 3785)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa34131cc6b in wait (time=18446744073709551615, this=0x209d400) at thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2092520, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007fa33fd8cfab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fa33fd8d3a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fa34131bb0e in QThreadPrivate::start (arg=0x20924a0) at thread/qthread_unix.cpp:337
#6  0x00007fa33decd6aa in start_thread (arg=0x7fa313fff700) at pthread_create.c:333
#7  0x00007fa340ca5eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fa34452d780 (LWP 3781)):
[KCrash Handler]
#6  0x00007fa322fb38a7 in KDecoration2::Decoration::update(QRect const&) () from /usr/lib/x86_64-linux-gnu/libkdecorations2.so.5
#7  0x00007fa322fb394b in KDecoration2::Decoration::update() () from /usr/lib/x86_64-linux-gnu/libkdecorations2.so.5
#8  0x00007fa31b1679e0 in Breeze::Decoration::setOpacity (this=this@entry=0x20a4b60, value=<optimized out>) at ../../kdecoration/breezedecoration.cpp:96
#9  0x00007fa31b189148 in Breeze::Decoration::qt_metacall (this=0x20a4b60, _c=QMetaObject::WriteProperty, _id=0, _a=0x7ffe1167bf50) at moc_breezedecoration.cpp:150
#10 0x00007fa3412fc5ca in updateProperty (newValue=..., this=0x20ba000) at animation/qpropertyanimation.cpp:135
#11 QPropertyAnimation::updateCurrentValue (this=<optimized out>, value=...) at animation/qpropertyanimation.cpp:242
#12 0x00007fa3412f7f48 in QVariantAnimationPrivate::setCurrentValueForProgress (this=this@entry=0x20ba000, progress=progress@entry=0.96444444444444444) at animation/qvariantanimation.cpp:290
#13 0x00007fa3412f8d1b in recalculateCurrentInterval (force=false, this=0x20ba000) at animation/qvariantanimation.cpp:275
#14 QVariantAnimation::updateCurrentTime (this=<optimized out>) at animation/qvariantanimation.cpp:693
#15 0x00007fa3412f4baf in QAbstractAnimation::setCurrentTime (this=0x20e3cc0, msecs=130) at animation/qabstractanimation.cpp:1321
#16 0x00007fa3412f4e96 in updateAnimationsTime (delta=20, this=0x18e9a70) at animation/qabstractanimation.cpp:606
#17 QUnifiedTimer::updateAnimationTimers (this=0x18c1e90) at animation/qabstractanimation.cpp:323
#18 0x00007fa3412f57dc in QAnimationDriver::advanceAnimation (this=<optimized out>, timeStep=-1) at animation/qabstractanimation.cpp:820
#19 0x00007fa33fd711ee in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007fa33fd8f68a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x00007fa33fd91a8b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007fa33fd9230a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#23 0x00007fa341d917b5 in QWindow::event (this=0x19aeaa0, ev=<optimized out>) at kernel/qwindow.cpp:2051
#24 0x00007fa33fdc3dd3 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#25 0x00007fa342345b2c in QApplicationPrivate::notify_helper (this=0x16dae00, receiver=0x19aeaa0, e=0x7ffe1167c6b0) at kernel/qapplication.cpp:3720
#26 0x00007fa34234b000 in QApplication::notify (this=0x7ffe1167cab0, receiver=0x19aeaa0, e=0x7ffe1167c6b0) at kernel/qapplication.cpp:3503
#27 0x00007fa341559c2b in QCoreApplication::notifyInternal (this=0x7ffe1167cab0, receiver=receiver@entry=0x19aeaa0, event=event@entry=0x7ffe1167c6b0) at kernel/qcoreapplication.cpp:935
#28 0x00007fa341d89e86 in sendSpontaneousEvent (event=0x7ffe1167c6b0, receiver=0x19aeaa0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#29 QGuiApplicationPrivate::processExposeEvent (e=0x20696c0) at kernel/qguiapplication.cpp:2613
#30 0x00007fa341d8abbd in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x20696c0) at kernel/qguiapplication.cpp:1638
#31 0x00007fa341d6f34f in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572
#32 0x00007fa334bef590 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#33 0x00007fa33d9aec3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007fa33d9aef20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007fa33d9aefcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007fa3415b2c57 in QEventDispatcherGlib::processEvents (this=0x17305c0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#37 0x00007fa3415573e2 in QEventLoop::exec (this=this@entry=0x7ffe1167c990, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#38 0x00007fa34155f02c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#39 0x00007fa341d8031c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#40 0x00007fa3423417a5 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