Application: kwin_x11 (5.8.7)

Qt Version: 5.6.2
Frameworks Version: 5.32.0
Operating System: Linux 4.4.73-1-default x86_64
Distribution: "openSUSE Leap 42.3"

-- Information about the crash:
- What I was doing when the application crashed:
cold startup PC
black screen but mouse icon is visible & moving well
these windows for bug repport are OK but not wipped if moved

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd5744e3940 (LWP 2272))]

Thread 5 (Thread 0x7fd5575fd700 (LWP 4317)):
#0  0x00007fd573c44873 in select () at /lib64/libc.so.6
#1  0x00007fd5713176c9 in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007fd571318f43 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /usr/lib64/libQt5Core.so.5
#3  0x00007fd5713193a7 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fd5712c8bfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fd571103f5a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fd56bcb73d8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007fd571108a29 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fd573f0d744 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fd573c4baad in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fd54bed8700 (LWP 2407)):
#0  0x00007fd573f120bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fd57029793b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007fd570297969 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007fd573f0d744 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fd573c4baad in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fd55699f700 (LWP 2385)):
#0  0x00007fd573c44873 in select () at /lib64/libc.so.6
#1  0x00007fd5713176c9 in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007fd571318f43 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /usr/lib64/libQt5Core.so.5
#3  0x00007fd5713193a7 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fd5712c8bfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fd571103f5a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fd56bcb73d8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007fd571108a29 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fd573f0d744 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fd573c4baad in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fd55d39c700 (LWP 2315)):
#0  0x00007fd573f14d2d in read () at /lib64/libpthread.so.0
#1  0x00007fd569f4b750 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fd569f0ae49 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fd569f0b2a8 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fd569f0b42c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fd57131b1ab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fd5712c8bfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007fd571103f5a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007fd56ae8d295 in  () at /usr/lib64/libQt5DBus.so.5
#9  0x00007fd571108a29 in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007fd573f0d744 in start_thread () at /lib64/libpthread.so.0
#11 0x00007fd573c4baad in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fd5744e3940 (LWP 2272)):
[KCrash Handler]
#6  0x00007fd5547f2d25 in  () at /usr/lib64/dri/nouveau_dri.so
#7  0x00007fd554529587 in  () at /usr/lib64/dri/nouveau_dri.so
#8  0x00007fd554525d26 in  () at /usr/lib64/dri/nouveau_dri.so
#9  0x00007fd554544272 in  () at /usr/lib64/dri/nouveau_dri.so
#10 0x00007fd554505fed in  () at /usr/lib64/dri/nouveau_dri.so
#11 0x00007fd5545062bb in  () at /usr/lib64/dri/nouveau_dri.so
#12 0x00007fd56cb0ecf9 in KWin::GLVertexBuffer::draw(QRegion const&, unsigned int, int, int, bool) () at /usr/lib64/libkwinglutils.so.9
#13 0x00007fd56cb0f109 in KWin::GLVertexBuffer::render(QRegion const&, unsigned int, bool) () at /usr/lib64/libkwinglutils.so.9
#14 0x00007fd56cb0f16d in KWin::GLVertexBuffer::render(unsigned int) () at /usr/lib64/libkwinglutils.so.9
#15 0x00007fd5737fe951 in  () at /usr/lib64/libkwin.so.5
#16 0x00007fd573805585 in KWin::SceneOpenGL::paintBackground(QRegion) () at /usr/lib64/libkwin.so.5
#17 0x00007fd5737f0189 in KWin::Scene::paintSimpleScreen(int, QRegion) () at /usr/lib64/libkwin.so.5
#18 0x00007fd5737fe423 in  () at /usr/lib64/libkwin.so.5
#19 0x00007fd5737f2285 in KWin::Scene::finalPaintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib64/libkwin.so.5
#20 0x00007fd573820460 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib64/libkwin.so.5
#21 0x00007fd57063f9e4 in  () at /usr/lib64/libkwin4_effect_builtins.so.1
#22 0x00007fd573820420 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib64/libkwin.so.5
#23 0x00007fd570aaa7df in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib64/libkwineffects.so.9
#24 0x00007fd573820420 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib64/libkwin.so.5
#25 0x00007fd570aaa7df in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib64/libkwineffects.so.9
#26 0x00007fd573820420 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib64/libkwin.so.5
#27 0x00007fd5737f1f28 in KWin::Scene::paintScreen(int*, QRegion const&, QRegion const&, QRegion*, QRegion*, QMatrix4x4 const&) () at /usr/lib64/libkwin.so.5
#28 0x00007fd57380611c in KWin::SceneOpenGL::paint(QRegion, QList<KWin::Toplevel*>) () at /usr/lib64/libkwin.so.5
#29 0x00007fd5737e517a in KWin::Compositor::performCompositing() () at /usr/lib64/libkwin.so.5
#30 0x00007fd5712f5bf4 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#31 0x00007fd571fcb28c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#32 0x00007fd571fcf8ea in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#33 0x00007fd5712cabe5 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#34 0x00007fd57131aafe in QTimerInfoList::activateTimers() () at /usr/lib64/libQt5Core.so.5
#35 0x00007fd571319448 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#36 0x00007fd55b0b9e3d in  () at /usr/lib64/libQt5XcbQpa.so.5
#37 0x00007fd5712c8bfb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#38 0x00007fd5712d0ae6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#39 0x00007fd57412b9cc in kdemain () at /usr/lib64/libkdeinit5_kwin_x11.so
#40 0x00007fd573b826e5 in __libc_start_main () at /lib64/libc.so.6
#41 0x0000000000400809 in _start ()

Reported using DrKonqi