Application: kwin_x11 (5.15.1)

Qt Version: 5.12.1
Frameworks Version: 5.55.0
Operating System: Linux 4.20.10-arch1-1-ARCH x86_64
Distribution: "Arch Linux"

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

I was initially on a workspace 4. I have Desktop Cube effect enabled.
I requested menu from an icon in status area and clicked it
The action should have raised the application window this icon belonged to
But the window was on a workspace 3. 
That's when KWin crashed.

After it restarted itself I was on a workspace 3 and with window raised as it should have.

-- Backtrace:
Application: KWin (kwin_x11), signal: Aborted
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f23e265f840 (LWP 1204))]

Thread 26 (Thread 0x7f23dad2f700 (LWP 30146)):
#0  0x00007f23e8c31afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f23cb999a84 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f23cb9997a8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 25 (Thread 0x7f2390ff9700 (LWP 25957)):
#0  0x00007f23eb2d7d16 in ppoll () at /usr/lib/libc.so.6
#1  0x00007f23e9e4fbab in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5
#2  0x00007f23e9e5108b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007f23e9dfcb2c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f23e9c40569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007f23e9c4196c in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 24 (Thread 0x7f236b7fe700 (LWP 1437)):
#0  0x00007f23e8c31afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f23e973628c in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f23e97362a9 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 23 (Thread 0x7f23917fa700 (LWP 1430)):
#0  0x00007f23e8c31afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f23cb999a84 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f23cb9997a8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 22 (Thread 0x7f2391ffb700 (LWP 1429)):
#0  0x00007f23e8c31afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f23cb999a84 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f23cb9997a8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7f23927fc700 (LWP 1428)):
#0  0x00007f23e8c31afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f23cb999a84 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f23cb9997a8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7f2392ffd700 (LWP 1427)):
#0  0x00007f23e8c31afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f23cb999a84 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f23cb9997a8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7f23937fe700 (LWP 1426)):
#0  0x00007f23e8c31afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f23cb999a84 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f23cb9997a8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7f2393fff700 (LWP 1425)):
#0  0x00007f23e8c31afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f23cb999a84 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f23cb9997a8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7f23acff9700 (LWP 1424)):
#0  0x00007f23e8c31afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f23cb999a84 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f23cb9997a8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 16 (Thread 0x7f23ad7fa700 (LWP 1423)):
#0  0x00007f23e8c31afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f23cb999a84 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f23cb9997a8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7f23adffb700 (LWP 1422)):
#0  0x00007f23e8c31afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f23cb999a84 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f23cb9997a8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7f23ae7fc700 (LWP 1421)):
#0  0x00007f23e8c31afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f23cb999a84 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f23cb9997a8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f23aeffd700 (LWP 1420)):
#0  0x00007f23e8c31afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f23cb999a84 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f23cb9997a8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f23af7fe700 (LWP 1419)):
#0  0x00007f23e8c31afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f23cb999a84 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f23cb9997a8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f23affff700 (LWP 1418)):
#0  0x00007f23e8c31afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f23cb999a84 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f23cb9997a8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f23c88e2700 (LWP 1417)):
#0  0x00007f23e8c31afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f23cb999a84 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f23cb9997a8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f23c90e3700 (LWP 1416)):
#0  0x00007f23e8c31afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f23cb999a84 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f23cb9997a8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f23c98e4700 (LWP 1415)):
#0  0x00007f23e8c31afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f23cb999a84 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f23cb9997a8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f23ca0e5700 (LWP 1414)):
#0  0x00007f23e8c31afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f23cb999a84 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f23cb9997a8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f23ca8e6700 (LWP 1413)):
#0  0x00007f23e8c31afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f23cb999a84 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f23cb9997a8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f23cb228700 (LWP 1412)):
#0  0x00007f23e8c31afc in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f23cb999a84 in  () at /usr/lib/dri/radeonsi_dri.so
#2  0x00007f23cb9997a8 in  () at /usr/lib/dri/radeonsi_dri.so
#3  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f23da0dd700 (LWP 1391)):
#0  0x00007f23eb2d7d16 in ppoll () at /usr/lib/libc.so.6
#1  0x00007f23e9e4fbab in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5
#2  0x00007f23e9e5108b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007f23e9dfcb2c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f23e9c40569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007f23e83e8969 in  () at /usr/lib/libQt5Qml.so.5
#6  0x00007f23e9c4196c in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f23dbf40700 (LWP 1354)):
#0  0x00007f23eb2d7d16 in ppoll () at /usr/lib/libc.so.6
#1  0x00007f23e9e4fbab in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/libQt5Core.so.5
#2  0x00007f23e9e5108b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#3  0x00007f23e9dfcb2c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f23e9c40569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007f23e7e4dba6 in  () at /usr/lib/libQt5DBus.so.5
#6  0x00007f23e9c4196c in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f23e1f02700 (LWP 1253)):
#0  0x00007f23eb2d7c21 in poll () at /usr/lib/libc.so.6
#1  0x00007f23e9b65630 in  () at /usr/lib/libxcb.so.1
#2  0x00007f23e9b672db in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f23e220d949 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f23e9c4196c in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f23e8c2ba9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f23eb2e2b23 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f23e265f840 (LWP 1204)):
[KCrash Handler]
#6  0x00007f23eb21ed7f in raise () at /usr/lib/libc.so.6
#7  0x00007f23eb209672 in abort () at /usr/lib/libc.so.6
#8  0x00007f23e9c077fc in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f23e99a812a in KWin::WindowQuad::makeSubQuad(double, double, double, double) const () at /usr/lib/libkwineffects.so.12
#10 0x00007f23d8e8948d in  () at /usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#11 0x00007f23d8e895e8 in  () at /usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#12 0x00007f23d8e91253 in  () at /usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#13 0x00007f23d8e91399 in  () at /usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#14 0x00007f23eb04d7dc in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#15 0x00007f23e99442c6 in  () at /usr/lib/libkwin4_effect_builtins.so.1
#16 0x00007f23eb04d774 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#17 0x00007f23e98b3ffa in  () at /usr/lib/libkwin4_effect_builtins.so.1
#18 0x00007f23eb04d774 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#19 0x00007f23e99a751d in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.12
#20 0x00007f23eb04d774 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#21 0x00007f23e99a751d in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.12
#22 0x00007f23eb04d774 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#23 0x00007f23e99a751d in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.12
#24 0x00007f23eb04d774 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#25 0x00007f23e99a751d in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.12
#26 0x00007f23eb04d774 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#27 0x00007f23eb037c3d in KWin::Scene::finalPaintWindow(KWin::EffectWindowImpl*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#28 0x00007f23eb04d605 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#29 0x00007f23e99a73ad in KWin::Effect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.12
#30 0x00007f23eb04d5a4 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#31 0x00007f23e99a73ad in KWin::Effect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.12
#32 0x00007f23eb04d5a4 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#33 0x00007f23e98cae87 in  () at /usr/lib/libkwin4_effect_builtins.so.1
#34 0x00007f23eb04d5a4 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#35 0x00007f23e98eba75 in  () at /usr/lib/libkwin4_effect_builtins.so.1
#36 0x00007f23eb04d5a4 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#37 0x00007f23e99b058c in KWin::AnimationEffect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.12
#38 0x00007f23eb04d5a4 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#39 0x00007f23e99b058c in KWin::AnimationEffect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwineffects.so.12
#40 0x00007f23eb04d5a4 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/libkwin.so.5
#41 0x00007f23eb03e406 in KWin::Scene::paintWindow(KWin::Scene::Window*, int, QRegion, KWin::WindowQuadList) () at /usr/lib/libkwin.so.5
#42 0x00007f23eb03c27e in KWin::Scene::paintGenericScreen(int, KWin::ScreenPaintData) () at /usr/lib/libkwin.so.5
#43 0x00007f23d8e9113e in  () at /usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#44 0x00007f23eb03d8a8 in KWin::Scene::finalPaintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#45 0x00007f23eb04d357 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#46 0x00007f23e99a7302 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwineffects.so.12
#47 0x00007f23eb04d2fe in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#48 0x00007f23e99a7302 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwineffects.so.12
#49 0x00007f23eb04d2fe in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#50 0x00007f23e98cd65b in  () at /usr/lib/libkwin4_effect_builtins.so.1
#51 0x00007f23e98cd8e0 in  () at /usr/lib/libkwin4_effect_builtins.so.1
#52 0x00007f23eb04d2fe in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#53 0x00007f23e99a7302 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwineffects.so.12
#54 0x00007f23eb04d2fe in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#55 0x00007f23e99a7302 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwineffects.so.12
#56 0x00007f23eb04d2fe in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#57 0x00007f23e99a7302 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwineffects.so.12
#58 0x00007f23eb04d2fe in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/libkwin.so.5
#59 0x00007f23eb03d58b in KWin::Scene::paintScreen(int*, QRegion const&, QRegion const&, QRegion*, QRegion*, QMatrix4x4 const&, QRect const&) () at /usr/lib/libkwin.so.5
#60 0x00007f23d8e8d3f7 in KWin::SceneOpenGL::paint(QRegion, QList<KWin::Toplevel*>) () at /usr/lib/qt/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#61 0x00007f23eb02ebae in KWin::Compositor::performCompositing() () at /usr/lib/libkwin.so.5
#62 0x00007f23e9e2910b in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#63 0x00007f23ea7c7e24 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#64 0x00007f23ea7cf6e1 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#65 0x00007f23e9dfde99 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#66 0x00007f23e9e53095 in QTimerInfoList::activateTimers() () at /usr/lib/libQt5Core.so.5
#67 0x00007f23e9e511de in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#68 0x00007f23e220ecbf in  () at /usr/lib/libQt5XcbQpa.so.5
#69 0x00007f23e9dfcb2c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#70 0x00007f23e9e04e36 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#71 0x00007f23eb3b4b26 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so
#72 0x00007f23eb20b223 in __libc_start_main () at /usr/lib/libc.so.6
#73 0x00005597d34d405e in _start ()
[Inferior 1 (process 1204) detached]

Reported using DrKonqi