Application: kwin_x11 (5.8.3)

Qt Version: 5.7.0
Frameworks Version: 5.27.0
Operating System: Linux 4.8.6-2-default x86_64
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
Yast Control Center opened, selected System ---> Partitioner --> Yes in dialog box

The crash can be reproduced sometimes.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f409a0e2940 (LWP 2915))]

Thread 5 (Thread 0x7f406e5ee700 (LWP 3239)):
#0  0x00007f4099a6e751 in ppoll () at /lib64/libc.so.6
#1  0x00007f4097142b41 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f4097144428 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#3  0x00007f40970f11ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f4096f1f8b3 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5  0x00007f40918baa75 in  () at /usr/lib64/libQt5Qml.so.5
#6  0x00007f4096f24558 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f4092d89454 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f4099a7739f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f405ffff700 (LWP 3017)):
#0  0x00007f4092d8f10f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f40960ac834 in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f40960ac879 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f4092d89454 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f4099a7739f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f406ffff700 (LWP 3005)):
#0  0x00007f4099a6e751 in ppoll () at /lib64/libc.so.6
#1  0x00007f4097142b41 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f4097144428 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#3  0x00007f40970f11ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f4096f1f8b3 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5  0x00007f40918baa75 in  () at /usr/lib64/libQt5Qml.so.5
#6  0x00007f4096f24558 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f4092d89454 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f4099a7739f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f4082bdd700 (LWP 2940)):
#0  0x00007f4099a6e751 in ppoll () at /lib64/libc.so.6
#1  0x00007f4097142b41 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f4097144428 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#3  0x00007f40970f11ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f4096f1f8b3 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5  0x00007f4090a933e5 in  () at /usr/lib64/libQt5DBus.so.5
#6  0x00007f4096f24558 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f4092d89454 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f4099a7739f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f409a0e2940 (LWP 2915)):
[KCrash Handler]
#6  0x00007f40918a6130 in QQmlBinding::write(QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f40918a7095 in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#8  0x00007f40918b0d35 in  () at /usr/lib64/libQt5Qml.so.5
#9  0x00007f409183a5fe in QQmlComponentPrivate::complete(QQmlEnginePrivate*, QQmlComponentPrivate::ConstructionState*) () at /usr/lib64/libQt5Qml.so.5
#10 0x00007f409183a6c7 in QQmlComponentPrivate::completeCreate() () at /usr/lib64/libQt5Qml.so.5
#11 0x00007f409183a530 in QQmlComponent::create(QQmlContext*) () at /usr/lib64/libQt5Qml.so.5
#12 0x00007f407c38e4b7 in  () at /usr/lib64/qt5/plugins/org.kde.kdecoration2/kwin5_aurorae.so
#13 0x00007f4099696ed9 in  () at /usr/lib64/libkwin.so.5
#14 0x00007f4099577572 in KWin::Client::createDecoration(QRect const&) () at /usr/lib64/libkwin.so.5
#15 0x00007f409957815d in KWin::Client::updateDecoration(bool, bool) () at /usr/lib64/libkwin.so.5
#16 0x00007f40995d7175 in KWin::Client::manage(unsigned int, bool) () at /usr/lib64/libkwin.so.5
#17 0x00007f409955aa84 in KWin::Workspace::createClient(unsigned int, bool) () at /usr/lib64/libkwin.so.5
#18 0x00007f40995c4387 in KWin::Workspace::workspaceEvent(xcb_generic_event_t*) () at /usr/lib64/libkwin.so.5
#19 0x00007f40970f032f in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib64/libQt5Core.so.5
#20 0x00007f4080664dc4 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib64/libQt5XcbQpa.so.5
#21 0x00007f4080665a55 in QXcbConnection::processXcbEvents() () at /usr/lib64/libQt5XcbQpa.so.5
#22 0x00007f409711fd59 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#23 0x00007f4097de892c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#24 0x00007f4097df00e1 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#25 0x00007f40970f3200 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#26 0x00007f40970f598d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#27 0x00007f409714426a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#28 0x00007f40806dc54d in  () at /usr/lib64/libQt5XcbQpa.so.5
#29 0x00007f40970f11ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#30 0x00007f40970f995c in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#31 0x00007f4099d36a56 in kdemain () at /usr/lib64/libkdeinit5_kwin_x11.so
#32 0x00007f40999ae291 in __libc_start_main () at /lib64/libc.so.6
#33 0x00000000004006ea in _start ()

Reported using DrKonqi