Application: kwin_x11 (5.18.1)

Qt Version: 5.14.1
Frameworks Version: 5.67.0
Operating System: Linux 5.5.5-1-default x86_64
Windowing system: X11
Distribution: openSUSE Tumbleweed

-- Information about the crash:
- What I was doing when the application crashed:
I was trying to open plasmashell setting. The screen flash few seconds, then  I  see crash in tray.

The crash can be reproduced sometimes.

-- Backtrace:
Application: KWin (kwin_x11), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4bc8d6d440 (LWP 9100))]

Thread 6 (Thread 0x7f4ba8df5700 (LWP 9116)):
#0  0x00007f4bcbd20795 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f4bcc1f11ea in ?? () from /usr/lib64/libQt5Script.so.5
#2  0x00007f4bcc1f120b in ?? () from /usr/lib64/libQt5Script.so.5
#3  0x00007f4bcbd19efa in start_thread () from /lib64/libpthread.so.0
#4  0x00007f4bcdf5e3bf in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f4baa036700 (LWP 9112)):
#0  0x00007f4bcdf53bc6 in ppoll () from /lib64/libc.so.6
#1  0x00007f4bcc90ecd9 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/bits/poll2.h:77
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f4ba4000d38) at kernel/qcore_unix.cpp:132
#3  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f4ba4000d38) at kernel/qcore_unix.cpp:129
#4  qt_safe_poll (fds=0x7f4ba4000d38, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:155
#5  0x00007f4bcc9102e3 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at ../../include/QtCore/../../src/corelib/tools/qarraydata.h:211
#6  0x00007f4bcc8babfb in QEventLoop::exec (this=this@entry=0x7f4baa035d80, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#7  0x00007f4bcc6e562e in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#8  0x00007f4bcb4536e5 in ?? () from /usr/lib64/libQt5Qml.so.5
#9  0x00007f4bcc6e66f8 in QThreadPrivate::start (arg=0x55f744a86790) at thread/qthread_unix.cpp:342
#10 0x00007f4bcbd19efa in start_thread () from /lib64/libpthread.so.0
#11 0x00007f4bcdf5e3bf in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f4bb7fff700 (LWP 9111)):
#0  0x00007f4bcdf53bc6 in ppoll () from /lib64/libc.so.6
#1  0x00007f4bcc90ecd9 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/bits/poll2.h:77
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f4bb0000d38) at kernel/qcore_unix.cpp:132
#3  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f4bb0000d38) at kernel/qcore_unix.cpp:129
#4  qt_safe_poll (fds=0x7f4bb0000d38, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:155
#5  0x00007f4bcc9102e3 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at ../../include/QtCore/../../src/corelib/tools/qarraydata.h:211
#6  0x00007f4bcc8babfb in QEventLoop::exec (this=this@entry=0x7f4bb7ffed80, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#7  0x00007f4bcc6e562e in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#8  0x00007f4bcb4536e5 in ?? () from /usr/lib64/libQt5Qml.so.5
#9  0x00007f4bcc6e66f8 in QThreadPrivate::start (arg=0x55f744036860) at thread/qthread_unix.cpp:342
#10 0x00007f4bcbd19efa in start_thread () from /lib64/libpthread.so.0
#11 0x00007f4bcdf5e3bf in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f4bc60f1700 (LWP 9105)):
#0  0x00007f4bcdf53bc6 in ppoll () from /lib64/libc.so.6
#1  0x00007f4bcc90ecd9 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/bits/poll2.h:77
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x55f743e8e5d8) at kernel/qcore_unix.cpp:132
#3  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x55f743e8e5d8) at kernel/qcore_unix.cpp:129
#4  qt_safe_poll (fds=0x55f743e8e5d8, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:155
#5  0x00007f4bcc9102e3 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at ../../include/QtCore/../../src/corelib/tools/qarraydata.h:211
#6  0x00007f4bcc8babfb in QEventLoop::exec (this=this@entry=0x7f4bc60f0d70, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#7  0x00007f4bcc6e562e in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#8  0x00007f4bcd9f0507 in ?? () from /usr/lib64/libQt5DBus.so.5
#9  0x00007f4bcc6e66f8 in QThreadPrivate::start (arg=0x7f4bcda72da0) at thread/qthread_unix.cpp:342
#10 0x00007f4bcbd19efa in start_thread () from /lib64/libpthread.so.0
#11 0x00007f4bcdf5e3bf in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f4bc6d2f700 (LWP 9104)):
#0  0x00007f4bcdf53acf in poll () from /lib64/libc.so.6
#1  0x00007f4bcc603752 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007f4bcc60440a in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007f4bc6e9aab0 in QXcbEventQueue::run (this=0x55f743d3c390) at qxcbeventqueue.cpp:228
#4  0x00007f4bcc6e66f8 in QThreadPrivate::start (arg=0x55f743d3c390) at thread/qthread_unix.cpp:342
#5  0x00007f4bcbd19efa in start_thread () from /lib64/libpthread.so.0
#6  0x00007f4bcdf5e3bf in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f4bc8d6d440 (LWP 9100)):
[KCrash Handler]
#6  0x00007f4bcde9aea1 in raise () from /lib64/libc.so.6
#7  0x00007f4bcde8453d in abort () from /lib64/libc.so.6
#8  0x00007f4baf3f9918 in vmw_ioctl_command (throttle_us=0, flags=<optimized out>, imported_fence_fd=<optimized out>, pfence=0x7ffcc8601928, size=<optimized out>, commands=0x55f74429da78, cid=<optimized out>, vws=0x55f7442edbf0) at ../src/gallium/winsys/svga/drm/vmw_context.c:213
#9  vmw_swc_flush (swc=0x55f74429d9b0, pfence=0x7ffcc86019f0) at ../src/gallium/winsys/svga/drm/vmw_context.c:238
#10 0x00007f4baf415158 in svga_context_flush (svga=0x55f74441c980, pfence=0x0) at ../src/gallium/drivers/svga/svga_context.c:379
#11 0x00007f4baf254ff4 in st_glFlush (ctx=<optimized out>) at ../src/mesa/state_tracker/st_cb_flush.c:100
#12 0x00007f4baf33f050 in _mesa_make_current (newCtx=0x0, drawBuffer=0x0, readBuffer=0x0) at ../src/mesa/main/context.c:1723
#13 0x00007f4baf3487ab in st_api_make_current (stapi=<optimized out>, stctxi=<optimized out>, stdrawi=<optimized out>, streadi=<optimized out>) at ../src/mesa/state_tracker/st_manager.c:1111
#14 0x00007f4baf7ddb25 in dri_unbind_context (cPriv=<optimized out>) at ../src/gallium/state_trackers/dri/dri_context.c:268
#15 0x00007f4baf7dadaa in driUnbindContext (pcp=0x55f7453b48e0) at ../src/mesa/drivers/dri/common/dri_util.c:617
#16 0x00007f4bb553fa6d in MakeContextCurrent (dpy=0x55f743d26ca0, draw=0, read=0, gc_user=0x0) at ../src/glx/glxcurrent.c:206
#17 0x00007f4bc9956d13 in InternalLoseCurrent () at libglx.c:837
#18 0x00007f4bc995ac16 in CommonMakeCurrent (dpy=0x55f743d26ca0, draw=0, read=<optimized out>, context=<optimized out>, callerOpcode=<optimized out>) at libglx.c:1067
#19 0x00007f4bc418df49 in QGLXContext::doneCurrent (this=0x55f7448e5080) at qglxintegration.cpp:621
#20 0x00007f4bccd116c7 in QOpenGLContext::doneCurrent (this=0x55f7453065a0) at kernel/qopenglcontext.cpp:1055
#21 0x00007f4bcbb4ab5c in KWin::EffectQuickView::EffectQuickView (this=<optimized out>, parent=<optimized out>, exportMode=<optimized out>, this=<optimized out>, parent=<optimized out>, exportMode=<optimized out>) at /usr/include/qt5/QtCore/qscopedpointer.h:116
#22 0x00007f4bc425fb53 in Aurorae::Decoration::init (this=0x55f7458d63b0) at /usr/src/debug/kwin5-5.18.1-1.1.x86_64/plugins/kdecorations/aurorae/src/aurorae.cpp:327
#23 0x00007f4bcdd3a9db in KWin::Decoration::DecorationBridge::createDecoration (client=<optimized out>, this=0x55f743f222b0) at /usr/src/debug/kwin5-5.18.1-1.1.x86_64/decorations/decorationbridge.cpp:288
#24 KWin::Decoration::DecorationBridge::createDecoration (this=0x55f743f222b0, client=<optimized out>) at /usr/src/debug/kwin5-5.18.1-1.1.x86_64/decorations/decorationbridge.cpp:273
#25 0x00007f4bcdc4747c in KWin::X11Client::createDecoration (this=this@entry=0x55f7452fd4c0, oldgeom=...) at /usr/src/debug/kwin5-5.18.1-1.1.x86_64/decorations/decorationbridge.h:99
#26 0x00007f4bcdc47af3 in KWin::X11Client::updateDecoration (this=0x55f7452fd4c0, check_workspace_pos=<optimized out>, force=<optimized out>) at /usr/src/debug/kwin5-5.18.1-1.1.x86_64/x11client.cpp:1042
#27 0x00007f4bcdc4b529 in KWin::X11Client::manage (this=0x55f7452fd4c0, w=<optimized out>, isMapped=<optimized out>) at /usr/src/debug/kwin5-5.18.1-1.1.x86_64/x11client.cpp:625
#28 0x00007f4bcdc5f585 in KWin::Workspace::createClient (this=0x55f743eba970, w=27306901, is_mapped=<optimized out>) at /usr/src/debug/kwin5-5.18.1-1.1.x86_64/workspace.cpp:616
#29 0x00007f4bcdd2051f in KWin::Workspace::workspaceEvent (this=0x55f743eba970, e=0x7f4bc0010740) at /usr/src/debug/kwin5-5.18.1-1.1.x86_64/events.cpp:317
#30 0x00007f4bcc8b9637 in QAbstractEventDispatcher::filterNativeEvent (this=<optimized out>, eventType=..., message=message@entry=0x7f4bc0010740, result=result@entry=0x7ffcc8602488) at kernel/qabstracteventdispatcher.cpp:488
#31 0x00007f4bc6e72791 in QXcbConnection::handleXcbEvent (this=this@entry=0x55f743d25460, event=event@entry=0x7f4bc0010740) at qxcbnativeinterface.h:101
#32 0x00007f4bc6e734e6 in QXcbConnection::processXcbEvents (this=0x55f743d25460, flags=...) at qxcbconnection.cpp:1029
#33 0x00007f4bc6e9bdfc in QXcbUnixEventDispatcher::processEvents (this=0x55f743da6580, flags=...) at qxcbeventdispatcher.cpp:61
#34 0x00007f4bcc8babfb in QEventLoop::exec (this=this@entry=0x7ffcc86025d0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:136
#35 0x00007f4bcc8c29d2 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:118
#36 0x00007f4bcde58479 in kdemain (argc=<optimized out>, argv=0x7ffcc8602868) at /usr/src/debug/kwin5-5.18.1-1.1.x86_64/main_x11.cpp:483
#37 0x00007f4bcde85ceb in __libc_start_main () from /lib64/libc.so.6
#38 0x000055f74333908a in _start () at ../sysdeps/x86_64/start.S:120
[Inferior 1 (process 9100) detached]

Reported using DrKonqi