Application: kwin_x11 (5.8.3)

Qt Version: 5.6.1
Frameworks Version: 5.26.0
Operating System: Linux 4.4.36-8-default x86_64
Distribution: "openSUSE Leap 42.2"

-- Information about the crash:
- What I was doing when the application crashed:

Starting konqueror in super user mode.  I had just signed on, clicked in the startup menu for konquerer in SU, and got error window.  System in plasma 5 and running god awful slow.  Will be switching back to kde4 soon.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1f285bd940 (LWP 9639))]

Thread 6 (Thread 0x7f1efb7ff700 (LWP 10995)):
#0  0x00007f1f27d1fb03 in select () at /lib64/libc.so.6
#1  0x00007f1f253f2849 in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f1f253f40c3 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /usr/lib64/libQt5Core.so.5
#3  0x00007f1f253f4527 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f1f253a3fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f1f251def1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f1f1fdcb9b8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f1f251e39e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f1f27fe8734 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f1f27d26d3d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f1efa7fd700 (LWP 9789)):
#0  0x00007f1f27fed0af in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f1f2437493b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f1f24374969 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f1f27fe8734 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f1f27d26d3d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f1f08d73700 (LWP 9772)):
#0  0x00007f1f27d337ff in clock_gettime () at /lib64/libc.so.6
#1  0x00007f1f2528e826 in  () at /usr/lib64/libQt5Core.so.5
#2  0x00007f1f253f4989 in QTimerInfoList::updateCurrentTime() () at /usr/lib64/libQt5Core.so.5
#3  0x00007f1f253f3dd1 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f1f253f4527 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f1f253a3fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f1f251def1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f1f1fdcb9b8 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007f1f251e39e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f1f27fe8734 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f1f27d26d3d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f1f0ae36700 (LWP 9711)):
#0  0x00007f1f251dc405 in QMutex::lock() () at /usr/lib64/libQt5Core.so.5
#1  0x00007f1f253a7c7a in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f1f253f44b4 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#3  0x00007f1f253a3fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f1f251def1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5  0x00007f1f1efac1d5 in  () at /usr/lib64/libQt5DBus.so.5
#6  0x00007f1f251e39e9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f1f27fe8734 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f1f27d26d3d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f1f0cf03700 (LWP 9663)):
#0  0x00007f1f27d1e49d in poll () at /lib64/libc.so.6
#1  0x00007f1f26ea53e2 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f1f26ea6fcf in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f1f0dfdf839 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f1f251e39e9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f1f27fe8734 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f1f27d26d3d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f1f285bd940 (LWP 9639)):
[KCrash Handler]
#6  0x00007f1f1fdb7dd0 in QQmlBinding::write(QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f1f1fdb924a in QQmlBinding::update(QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib64/libQt5Qml.so.5
#8  0x00007f1f1fdc22f6 in  () at /usr/lib64/libQt5Qml.so.5
#9  0x00007f1f1fd5093b in QQmlComponentPrivate::complete(QQmlEnginePrivate*, QQmlComponentPrivate::ConstructionState*) () at /usr/lib64/libQt5Qml.so.5
#10 0x00007f1f1fd509f7 in QQmlComponentPrivate::completeCreate() () at /usr/lib64/libQt5Qml.so.5
#11 0x00007f1f1fd50880 in QQmlComponent::create(QQmlContext*) () at /usr/lib64/libQt5Qml.so.5
#12 0x00007f1f08fb17cf in  () at /usr/lib64/qt5/plugins/org.kde.kdecoration2/kwin5_aurorae.so
#13 0x00007f1f2794a047 in  () at /usr/lib64/libkwin.so.5
#14 0x00007f1f2782e891 in KWin::Client::createDecoration(QRect const&) () at /usr/lib64/libkwin.so.5
#15 0x00007f1f2782f5ab in KWin::Client::updateDecoration(bool, bool) () at /usr/lib64/libkwin.so.5
#16 0x00007f1f27890ed6 in KWin::Client::manage(unsigned int, bool) () at /usr/lib64/libkwin.so.5
#17 0x00007f1f27812994 in KWin::Workspace::createClient(unsigned int, bool) () at /usr/lib64/libkwin.so.5
#18 0x00007f1f2787f0e0 in KWin::Workspace::workspaceEvent(xcb_generic_event_t*) () at /usr/lib64/libkwin.so.5
#19 0x00007f1f253a3270 in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib64/libQt5Core.so.5
#20 0x00007f1f0dfddbe4 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib64/libQt5XcbQpa.so.5
#21 0x00007f1f0dfdfc3b in QXcbConnection::processXcbEvents() () at /usr/lib64/libQt5XcbQpa.so.5
#22 0x00007f1f253d1166 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#23 0x00007f1f260ace3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#24 0x00007f1f260b149a in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#25 0x00007f1f253a5fc5 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#26 0x00007f1f253a7daa in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#27 0x00007f1f253f44b4 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#28 0x00007f1f0e04194d in  () at /usr/lib64/libQt5XcbQpa.so.5
#29 0x00007f1f253a3fdb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#30 0x00007f1f253abec6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#31 0x00007f1f282069cc in kdemain () at /usr/lib64/libkdeinit5_kwin_x11.so
#32 0x00007f1f27c5d6e5 in __libc_start_main () at /lib64/libc.so.6
#33 0x0000000000400809 in _start ()

Reported using DrKonqi