Application: kwin_x11 (5.12.4)

Qt Version: 5.10.0
Frameworks Version: 5.44.0
Operating System: Linux 4.16.0-1-default x86_64
Distribution: "openSUSE Tumbleweed"

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

While I was working on a konsole session i tried to switch to the chrome browser by performing a keyboard ALT-TAB and suddenly KWin has been reported to crash.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
88	  int err = lll_futex_timed_wait (futex_word, expected, NULL, private);
[Current thread is 1 (Thread 0x7f4371197840 (LWP 27751))]

Thread 5 (Thread 0x7f434f5ef700 (LWP 7326)):
[KCrash Handler]
#6  0x00007f42ba064988 in  () at /usr/lib64/libnvidia-glcore.so.390.48
#7  0x00007f42ba3358da in  () at /usr/lib64/libnvidia-glcore.so.390.48
#8  0x00007f42ba1fd31a in  () at /usr/lib64/libnvidia-glcore.so.390.48
#9  0x00007f42ba213a24 in  () at /usr/lib64/libnvidia-glcore.so.390.48
#10 0x00007f42ba20c7d5 in  () at /usr/lib64/libnvidia-glcore.so.390.48
#11 0x00007f4368d4e427 in QSGBatchRenderer::Renderer::renderMergedBatch(QSGBatchRenderer::Batch const*) () at /usr/lib64/libQt5Quick.so.5
#12 0x00007f4368d4f4ed in QSGBatchRenderer::Renderer::renderBatches() () at /usr/lib64/libQt5Quick.so.5
#13 0x00007f4368d54acc in QSGBatchRenderer::Renderer::render() () at /usr/lib64/libQt5Quick.so.5
#14 0x00007f4368d4593d in QSGRenderer::renderScene(QSGBindable const&) () at /usr/lib64/libQt5Quick.so.5
#15 0x00007f4368d45dcb in QSGRenderer::renderScene(unsigned int) () at /usr/lib64/libQt5Quick.so.5
#16 0x00007f4368d7d940 in QSGDefaultRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () at /usr/lib64/libQt5Quick.so.5
#17 0x00007f4368ddbfe8 in QQuickWindowPrivate::renderSceneGraph(QSize const&) () at /usr/lib64/libQt5Quick.so.5
#18 0x00007f4368d87169 in  () at /usr/lib64/libQt5Quick.so.5
#19 0x00007f4368d8be88 in  () at /usr/lib64/libQt5Quick.so.5
#20 0x00007f436dd35ba0 in  () at /usr/lib64/libQt5Core.so.5
#21 0x00007f4369bb659b in start_thread (arg=0x7f434f5ef700) at pthread_create.c:463
#22 0x00007f4370b39a1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f434d582700 (LWP 27809)):
#0  0x00007f4369bbc56c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f436d159fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f4369bbc56c in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f436d159f68, cond=0x7f436d159f90) at pthread_cond_wait.c:502
#2  0x00007f4369bbc56c in __pthread_cond_wait (cond=0x7f436d159f90, mutex=0x7f436d159f68) at pthread_cond_wait.c:655
#3  0x00007f436ce65614 in  () at /usr/lib64/libQt5Script.so.5
#4  0x00007f436ce65659 in  () at /usr/lib64/libQt5Script.so.5
#5  0x00007f4369bb659b in start_thread (arg=0x7f434d582700) at pthread_create.c:463
#6  0x00007f4370b39a1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f434e7e7700 (LWP 27807)):
#0  0x00007f4370b2f276 in __GI_ppoll (fds=0x7f433c000d28, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007f436df5e9f9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f436df5ffd6 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#3  0x00007f436df0995a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f436dd30baa in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5  0x00007f436868afd5 in  () at /usr/lib64/libQt5Qml.so.5
#6  0x00007f436dd35ba0 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f4369bb659b in start_thread (arg=0x7f434e7e7700) at pthread_create.c:463
#8  0x00007f4370b39a1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4354f76700 (LWP 27764)):
#0  0x00007f4370b2f276 in __GI_ppoll (fds=0x7f434800b208, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007f436df5e9f9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f436df5ffd6 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#3  0x00007f436df0995a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f436dd30baa in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5  0x00007f4367542a35 in  () at /usr/lib64/libQt5DBus.so.5
#6  0x00007f436dd35ba0 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f4369bb659b in start_thread (arg=0x7f4354f76700) at pthread_create.c:463
#8  0x00007f4370b39a1f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4371197840 (LWP 27751)):
#0  0x00007f4369bbc56c in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x555a5d76ee60) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f4369bbc56c in __pthread_cond_wait_common (abstime=0x0, mutex=0x555a5d76ee10, cond=0x555a5d76ee38) at pthread_cond_wait.c:502
#2  0x00007f4369bbc56c in __pthread_cond_wait (cond=0x555a5d76ee38, mutex=0x555a5d76ee10) at pthread_cond_wait.c:655
#3  0x00007f436dd36efb in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f4368d883fd in  () at /usr/lib64/libQt5Quick.so.5
#5  0x00007f4368d8adcd in  () at /usr/lib64/libQt5Quick.so.5
#6  0x00007f4368d8b679 in  () at /usr/lib64/libQt5Quick.so.5
#7  0x00007f436e4976bb in QWindow::event(QEvent*) () at /usr/lib64/libQt5Gui.so.5
#8  0x00007f4368de6ad5 in QQuickWindow::event(QEvent*) () at /usr/lib64/libQt5Quick.so.5
#9  0x00007f42b8a8bac3 in PlasmaQuick::Dialog::event(QEvent*) () at /usr/lib64/libKF5PlasmaQuick.so.5
#10 0x00007f436ec9401c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#11 0x00007f436ec9b314 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#12 0x00007f436df0b148 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#13 0x00007f436e48cf29 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () at /usr/lib64/libQt5Gui.so.5
#14 0x00007f436e48da8d in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib64/libQt5Gui.so.5
#15 0x00007f436e466eab in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Gui.so.5
#16 0x00007f43587afa26 in  () at /usr/lib64/libQt5XcbQpa.so.5
#17 0x00007f436df0995a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#18 0x00007f436df12494 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#19 0x00007f4370e0760b in kdemain () at /usr/lib64/libkdeinit5_kwin_x11.so
#20 0x00007f4370a61a87 in __libc_start_main (main=0x555a5bc1e7c0, argc=3, argv=0x7ffd2d263818, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd2d263808) at ../csu/libc-start.c:308
#21 0x0000555a5bc1e7fa in _start ()

Reported using DrKonqi