Application: systemsettings5 (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 4.0.0-1-desktop x86_64
Distribution: "openSUSE 20150430 (Tumbleweed) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
Opened System setting -->Decorations and crashed. First time crashed after closing the install window,this one just opening the tab to check them.

The crash can be reproduced every time.

-- Backtrace:
Application: Impostazioni di sistema (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f02a9813780 (LWP 3319))]

Thread 5 (Thread 0x7f0296f87700 (LWP 3320)):
#0  0x00007f02a559e4cd in poll () at /lib64/libc.so.6
#1  0x00007f02a216b322 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f02a216cdef in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f0299533c69 in  () at /usr/lib64/qt5/plugins/platforms/libqxcb.so
#4  0x00007f02a5c8f97f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f02a18e0484 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f02a55a6a4d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f0282eef700 (LWP 3321)):
#0  0x00007f02a18e491f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f02890d4073 in  () at /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f02890d3927 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f02a18e0484 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f02a55a6a4d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f027f527700 (LWP 3323)):
#0  0x00007f02a559a59d in read () at /lib64/libc.so.6
#1  0x00007f02a13fcb20 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f02a13bb989 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f02a13bbde8 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f02a13bbf6c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f02a5ec12ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f02a5e67e9b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007f02a5c8ad4a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f02a420bf68 in  () at /usr/lib64/libQt5Qml.so.5
#9  0x00007f02a5c8f97f in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007f02a18e0484 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f02a55a6a4d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f02774a7700 (LWP 3324)):
#0  0x00007f02a559e4cd in poll () at /lib64/libc.so.6
#1  0x00007f02a13bbe54 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f02a13bbf6c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f02a5ec12ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f02a5e67e9b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f02a5c8ad4a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f02a420bf68 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f02a5c8f97f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f02a18e0484 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f02a55a6a4d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f02a9813780 (LWP 3319)):
[KCrash Handler]
#5  0x0000000000000030 in  ()
#6  0x00007f027f9c4141 in KDecoration2::Decoration::update(QRect const&) () at /usr/lib64/libkdecorations2.so.5
#7  0x00007f027f9c419b in KDecoration2::Decoration::update() () at /usr/lib64/libkdecorations2.so.5
#8  0x00007f0277768138 in  () at /usr/lib64/qt5/plugins/org.kde.kdecoration2/breezedecoration.so
#9  0x00007f0277780ed8 in  () at /usr/lib64/qt5/plugins/org.kde.kdecoration2/breezedecoration.so
#10 0x00007f02a5c720b4 in QPropertyAnimation::updateCurrentValue(QVariant const&) () at /usr/lib64/libQt5Core.so.5
#11 0x00007f02a5c6dc9a in  () at /usr/lib64/libQt5Core.so.5
#12 0x00007f02a5c6ed1d in QVariantAnimation::updateCurrentTime(int) () at /usr/lib64/libQt5Core.so.5
#13 0x00007f02a5c6c0dc in QAbstractAnimation::setCurrentTime(int) () at /usr/lib64/libQt5Core.so.5
#14 0x00007f02a5c6c508 in  () at /usr/lib64/libQt5Core.so.5
#15 0x00007f02a5c698c5 in QUnifiedTimer::updateAnimationTimers(long long) () at /usr/lib64/libQt5Core.so.5
#16 0x00007f02a42446af in QAbstractAnimationJob::setState(QAbstractAnimationJob::State) () at /usr/lib64/libQt5Qml.so.5
#17 0x00007f02a4777647 in  () at /usr/lib64/libQt5Quick.so.5
#18 0x00007f02a47cc6d4 in  () at /usr/lib64/libQt5Quick.so.5
#19 0x00007f02a477f333 in  () at /usr/lib64/libQt5Quick.so.5
#20 0x00007f02a46e4bb3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /usr/lib64/libQt5Quick.so.5
#21 0x00007f02a46e8b96 in QQuickItem::setWidth(double) () at /usr/lib64/libQt5Quick.so.5
#22 0x00007f02a46f4916 in QQuickItem::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib64/libQt5Quick.so.5
#23 0x00007f02a41907a2 in QQmlPropertyPrivate::writeBinding(QObject*, QQmlPropertyData const&, QQmlContextData*, QQmlJavaScriptExpression*, QV4::ValueRef, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#24 0x00007f02a41fc242 in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#25 0x00007f02a41fc9ce in QQmlBinding::expressionChanged(QQmlJavaScriptExpression*) () at /usr/lib64/libQt5Qml.so.5
#26 0x00007f02a41d795f in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib64/libQt5Qml.so.5
#27 0x00007f02a41d7931 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib64/libQt5Qml.so.5
#28 0x00007f02a417ca5c in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib64/libQt5Qml.so.5
#29 0x00007f02a5e99043 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#30 0x00007f02a46e4c19 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /usr/lib64/libQt5Quick.so.5
#31 0x00007f02a477667c in QQuickFlickable::geometryChanged(QRectF const&, QRectF const&) () at /usr/lib64/libQt5Quick.so.5
#32 0x00007f02a46e95f0 in QQuickItem::setSize(QSizeF const&) () at /usr/lib64/libQt5Quick.so.5
#33 0x00007f02a46df90e in  () at /usr/lib64/libQt5Quick.so.5
#34 0x00007f02a46e1742 in  () at /usr/lib64/libQt5Quick.so.5
#35 0x00007f02a46e4bb3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /usr/lib64/libQt5Quick.so.5
#36 0x00007f02a46e95f0 in QQuickItem::setSize(QSizeF const&) () at /usr/lib64/libQt5Quick.so.5
#37 0x00007f02a46df90e in  () at /usr/lib64/libQt5Quick.so.5
#38 0x00007f02a46e1742 in  () at /usr/lib64/libQt5Quick.so.5
#39 0x00007f02a46e4bb3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /usr/lib64/libQt5Quick.so.5
#40 0x00007f02a46e95f0 in QQuickItem::setSize(QSizeF const&) () at /usr/lib64/libQt5Quick.so.5
#41 0x00007f02a46df90e in  () at /usr/lib64/libQt5Quick.so.5
#42 0x00007f02a46e1742 in  () at /usr/lib64/libQt5Quick.so.5
#43 0x00007f02a46e4bb3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /usr/lib64/libQt5Quick.so.5
#44 0x00007f02a46e95f0 in QQuickItem::setSize(QSizeF const&) () at /usr/lib64/libQt5Quick.so.5
#45 0x00007f02a46df90e in  () at /usr/lib64/libQt5Quick.so.5
#46 0x00007f02a46e1742 in  () at /usr/lib64/libQt5Quick.so.5
#47 0x00007f02a46e4bb3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /usr/lib64/libQt5Quick.so.5
#48 0x00007f02a46e95f0 in QQuickItem::setSize(QSizeF const&) () at /usr/lib64/libQt5Quick.so.5
#49 0x00007f02a46df90e in  () at /usr/lib64/libQt5Quick.so.5
#50 0x00007f02a46e1742 in  () at /usr/lib64/libQt5Quick.so.5
#51 0x00007f02a46e4bb3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /usr/lib64/libQt5Quick.so.5
#52 0x00007f02a46e95f0 in QQuickItem::setSize(QSizeF const&) () at /usr/lib64/libQt5Quick.so.5
#53 0x00007f027dda6502 in  () at /usr/lib64/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#54 0x00007f02a74826a6 in QGridLayoutEngine::setGeometries(QRectF const&, QAbstractLayoutStyleInfo const*) () at /usr/lib64/libQt5Gui.so.5
#55 0x00007f027dda6230 in  () at /usr/lib64/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#56 0x00007f027dda6197 in  () at /usr/lib64/qt5/qml/QtQuick/Layouts/libqquicklayoutsplugin.so
#57 0x00007f02a46e95f0 in QQuickItem::setSize(QSizeF const&) () at /usr/lib64/libQt5Quick.so.5
#58 0x00007f02a46df90e in  () at /usr/lib64/libQt5Quick.so.5
#59 0x00007f02a46e1742 in  () at /usr/lib64/libQt5Quick.so.5
#60 0x00007f02a46e4bb3 in QQuickItem::geometryChanged(QRectF const&, QRectF const&) () at /usr/lib64/libQt5Quick.so.5
#61 0x00007f02a46e8ec6 in QQuickItem::setHeight(double) () at /usr/lib64/libQt5Quick.so.5
#62 0x00007f02a47a5daf in  () at /usr/lib64/libQt5Quick.so.5
#63 0x00007f02a47a72c2 in QQuickView::resizeEvent(QResizeEvent*) () at /usr/lib64/libQt5Quick.so.5
#64 0x00007f02a71db631 in QWindow::event(QEvent*) () at /usr/lib64/libQt5Gui.so.5
#65 0x00007f02a4705ef3 in QQuickWindow::event(QEvent*) () at /usr/lib64/libQt5Quick.so.5
#66 0x00007f02a7961b5c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#67 0x00007f02a7966a26 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#68 0x00007f02a5e69f45 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#69 0x00007f02a71d4631 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () at /usr/lib64/libQt5Gui.so.5
#70 0x00007f02a71d519d in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib64/libQt5Gui.so.5
#71 0x00007f02a71bbab8 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Gui.so.5
#72 0x00007f029955c8f0 in  () at /usr/lib64/qt5/plugins/platforms/libqxcb.so
#73 0x00007f02a13bbc74 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#74 0x00007f02a13bbec8 in  () at /usr/lib64/libglib-2.0.so.0
#75 0x00007f02a13bbf6c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#76 0x00007f02a5ec128c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#77 0x00007f02a5e67e9b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#78 0x00007f02a5e6f526 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#79 0x0000000000410130 in main ()

Reported using DrKonqi