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:
KWin crashes randomly.

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 0x7f5cee5cb840 (LWP 9651))]

Thread 5 (Thread 0x7f5ccbfff700 (LWP 9686)):
#0  0x00007f5cedf56253 in select () at /lib64/libc.so.6
#1  0x00007f5cebd86179 in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f5cebd87af5 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /usr/lib64/libQt5Core.so.5
#3  0x00007f5cebd87f3b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f5cebd30d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f5cebb5261a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f5ce6058df8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f5cebb5732f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f5ced5880a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5cedf5cfed in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f5cc895c700 (LWP 9701)):
#0  0x00007f5cedf56253 in select () at /lib64/libc.so.6
#1  0x00007f5cebd86179 in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f5cebd87af5 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /usr/lib64/libQt5Core.so.5
#3  0x00007f5cebd87f3b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f5cebd30d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f5cebb5261a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f5ce6058df8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f5cebb5732f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f5ced5880a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5cedf5cfed in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f5cb2ced700 (LWP 9711)):
#0  0x00007f5ced58c03f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f5ceaadc86b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f5ceaadc899 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f5ced5880a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f5cedf5cfed in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f5c28eed700 (LWP 9997)):
#0  0x00007f5ced58c03f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f5cebb5834b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f5ce674c25b in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007f5ce674c6f3 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007f5cebb5732f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f5ced5880a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f5cedf5cfed in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f5cee5cb840 (LWP 9651)):
[KCrash Handler]
#6  0x0000000040be624f in  ()
#7  0x00007f5cdc79d2c0 in  () at /usr/lib64/libnvidia-glcore.so.340.96
#8  0x00007f5cdc7a4350 in  () at /usr/lib64/libnvidia-glcore.so.340.96
#9  0x00007f5cdc411378 in  () at /usr/lib64/libnvidia-glcore.so.340.96
#10 0x00007f5cec57626a in QOpenGLTextureGlyphCache::resizeTextureData(int, int) () at /usr/lib64/libQt5Gui.so.5
#11 0x00007f5cec5066ab in QTextureGlyphCache::fillInPendingGlyphs() () at /usr/lib64/libQt5Gui.so.5
#12 0x00007f5ce673326f in  () at /usr/lib64/libQt5Quick.so.5
#13 0x00007f5ce67312fd in  () at /usr/lib64/libQt5Quick.so.5
#14 0x00007f5ce67b8ecb in  () at /usr/lib64/libQt5Quick.so.5
#15 0x00007f5ce67bebf7 in  () at /usr/lib64/libQt5Quick.so.5
#16 0x00007f5ce67b9d03 in  () at /usr/lib64/libQt5Quick.so.5
#17 0x00007f5ce67b84e4 in QQuickText::updatePaintNode(QSGNode*, QQuickItem::UpdatePaintNodeData*) () at /usr/lib64/libQt5Quick.so.5
#18 0x00007f5ce6776c27 in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) () at /usr/lib64/libQt5Quick.so.5
#19 0x00007f5ce677768c in QQuickWindowPrivate::updateDirtyNodes() () at /usr/lib64/libQt5Quick.so.5
#20 0x00007f5ce67777d0 in QQuickWindowPrivate::syncSceneGraph() () at /usr/lib64/libQt5Quick.so.5
#21 0x00007f5ce685657c in QQuickRenderControl::sync() () at /usr/lib64/libQt5Quick.so.5
#22 0x00007f5cd075d874 in  () at /usr/lib64/qt5/plugins/org.kde.kdecoration2/kwin5_aurorae.so
#23 0x00007f5cebd6273f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#24 0x00007f5cebd6ff22 in QTimer::timerEvent(QTimerEvent*) () at /usr/lib64/libQt5Core.so.5
#25 0x00007f5cebd638bc in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#26 0x00007f5ceca16e7c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#27 0x00007f5ceca1bcc8 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#28 0x00007f5cebd32e95 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#29 0x00007f5cebd8977d in QTimerInfoList::activateTimers() () at /usr/lib64/libQt5Core.so.5
#30 0x00007f5cebd87fc8 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#31 0x00007f5cd445e33d in  () at /usr/lib64/libQt5XcbQpa.so.5
#32 0x00007f5cebd30d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#33 0x00007f5cebd388f6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#34 0x00007f5cee225887 in kdemain () at /usr/lib64/libkdeinit5_kwin_x11.so
#35 0x00007f5cede99b05 in __libc_start_main () at /lib64/libc.so.6
#36 0x000000000040085e in _start ()

Reported using DrKonqi