Application: kwin_x11 (5.5.4)

Qt Version: 5.5.1
Operating System: Linux 4.1.15-8-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
Open Chrome on Plasma 5 (openSuSE leap 42.1)
- Unusual behavior I noticed:
Sometimes it looses the app bar and I have to log out to recover a properly working environment.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa0ddc3a840 (LWP 1968))]

Thread 4 (Thread 0x7fa0bbfff700 (LWP 1991)):
#0  0x00007fa0dd5b1253 in select () at /lib64/libc.so.6
#1  0x00007fa0db3e1179 in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007fa0db3e2af5 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /usr/lib64/libQt5Core.so.5
#3  0x00007fa0db3e2f3b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fa0db38bd53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fa0db1ad61a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fa0d56b3df8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007fa0db1b232f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fa0dcbe30a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fa0dd5b7fed in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fa0b915f700 (LWP 2005)):
#0  0x00007fa0dcbe703f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fa0da13786b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007fa0da137899 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007fa0dcbe30a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fa0dd5b7fed in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fa022dd5700 (LWP 2067)):
#0  0x00007fa0dd5b1253 in select () at /lib64/libc.so.6
#1  0x00007fa0db3e1179 in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007fa0db3e2af5 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /usr/lib64/libQt5Core.so.5
#3  0x00007fa0db3e2f3b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fa0db38bd53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fa0db1ad61a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fa0d56b3df8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007fa0db1b232f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fa0dcbe30a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fa0dd5b7fed in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fa0ddc3a840 (LWP 1968)):
[KCrash Handler]
#6  0x000000004139b23b in  ()
#7  0x00007fa0cc8509f4 in  () at /usr/lib64/libnvidia-glcore.so.361.28
#8  0x00007fa0cc857688 in  () at /usr/lib64/libnvidia-glcore.so.361.28
#9  0x00007fa0cc44c628 in  () at /usr/lib64/libnvidia-glcore.so.361.28
#10 0x00007fa0dbbd126a in QOpenGLTextureGlyphCache::resizeTextureData(int, int) () at /usr/lib64/libQt5Gui.so.5
#11 0x00007fa0dbb616ab in QTextureGlyphCache::fillInPendingGlyphs() () at /usr/lib64/libQt5Gui.so.5
#12 0x00007fa0d5d8e26f in  () at /usr/lib64/libQt5Quick.so.5
#13 0x00007fa0d5d8c2fd in  () at /usr/lib64/libQt5Quick.so.5
#14 0x00007fa0d5e13ecb in  () at /usr/lib64/libQt5Quick.so.5
#15 0x00007fa0d5e19bf7 in  () at /usr/lib64/libQt5Quick.so.5
#16 0x00007fa0d5e14d03 in  () at /usr/lib64/libQt5Quick.so.5
#17 0x00007fa0d5e134e4 in QQuickText::updatePaintNode(QSGNode*, QQuickItem::UpdatePaintNodeData*) () at /usr/lib64/libQt5Quick.so.5
#18 0x00007fa0d5dd1c27 in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) () at /usr/lib64/libQt5Quick.so.5
#19 0x00007fa0d5dd268c in QQuickWindowPrivate::updateDirtyNodes() () at /usr/lib64/libQt5Quick.so.5
#20 0x00007fa0d5dd27d0 in QQuickWindowPrivate::syncSceneGraph() () at /usr/lib64/libQt5Quick.so.5
#21 0x00007fa0d5eb157c in QQuickRenderControl::sync() () at /usr/lib64/libQt5Quick.so.5
#22 0x00007fa0c00ef874 in  () at /usr/lib64/qt5/plugins/org.kde.kdecoration2/kwin5_aurorae.so
#23 0x00007fa0db3bd73f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#24 0x00007fa0db3caf22 in QTimer::timerEvent(QTimerEvent*) () at /usr/lib64/libQt5Core.so.5
#25 0x00007fa0db3be8bc in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#26 0x00007fa0dc071e7c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#27 0x00007fa0dc076cc8 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#28 0x00007fa0db38de95 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#29 0x00007fa0db3e477d in QTimerInfoList::activateTimers() () at /usr/lib64/libQt5Core.so.5
#30 0x00007fa0db3e2fc8 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#31 0x00007fa0c458333d in  () at /usr/lib64/libQt5XcbQpa.so.5
#32 0x00007fa0db38bd53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#33 0x00007fa0db3938f6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#34 0x00007fa0dd880887 in kdemain () at /usr/lib64/libkdeinit5_kwin_x11.so
#35 0x00007fa0dd4f4b05 in __libc_start_main () at /lib64/libc.so.6
#36 0x000000000040085e in _start ()

Reported using DrKonqi