Application: kwin_x11 (5.16.5)

Qt Version: 5.12.4
Frameworks Version: 5.62.0
Operating System: Linux 5.3.0-29-generic x86_64
Distribution: Ubuntu 19.10

-- Information about the crash:
- What I was doing when the application crashed:
Crash happened after I resumed laptop, previously suspended.

- Unusual behavior I noticed:
Some UI elements were corrupted (desktop icons labels, system tray icons).

- Custom settings of the application:
This started to happen after I installed Nvidia 435 proprietary drivers.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4b75be9d00 (LWP 1979))]

Thread 7 (Thread 0x7f4b5d782700 (LWP 17775)):
#0  0x00007f4b7a8e42c6 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5560f1952a34) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  0x00007f4b7a8e42c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5560f19529e0, cond=0x5560f1952a08) at pthread_cond_wait.c:508
#2  0x00007f4b7a8e42c6 in __pthread_cond_wait (cond=0x5560f1952a08, mutex=0x5560f19529e0) at pthread_cond_wait.c:638
#3  0x00007f4b7b375def in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f4b7b375ee1 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4b7a40a7b9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#6  0x00007f4b7a40aa1a in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007f4b7b36fcc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f4b7a8dd669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#9  0x00007f4b7cad6323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4b6edee700 (LWP 17429)):
#0  0x00007f4b7cac9d26 in __GI_ppoll (fds=0x7f4b60002978, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007f4b7b58a5f9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f4b7b58bb64 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f4b7b53563b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f4b7b36ea75 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4b7b36fcc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f4b7a8dd669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#7  0x00007f4b7cad6323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4b6cf05700 (LWP 2259)):
#0  0x00007f4b7a8e42c6 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f4b7aef2fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  0x00007f4b7a8e42c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f4b7aef2f68, cond=0x7f4b7aef2f90) at pthread_cond_wait.c:508
#2  0x00007f4b7a8e42c6 in __pthread_cond_wait (cond=0x7f4b7aef2f90, mutex=0x7f4b7aef2f68) at pthread_cond_wait.c:638
#3  0x00007f4b7adfc08a in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f4b7adfc0af in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f4b7a8dd669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#6  0x00007f4b7cad6323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4b6e175700 (LWP 2196)):
#0  0x00007f4b7cac9d26 in __GI_ppoll (fds=0x7f4b64000d68, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007f4b7b58a5f9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f4b7b58bb64 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f4b7b53563b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f4b7b36ea75 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4b7a07c319 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f4b7b36fcc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f4b7a8dd669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#8  0x00007f4b7cad6323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4b6ffff700 (LWP 2019)):
#0  0x00007f4b7cac9d26 in __GI_ppoll (fds=0x7f4b6800e9e8, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007f4b7b58a5f9 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f4b7b58bb64 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f4b7b53563b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f4b7b36ea75 in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4b79abbefa in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#6  0x00007f4b7b36fcc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f4b7a8dd669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#8  0x00007f4b7cad6323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4b751f3700 (LWP 1982)):
#0  0x00007f4b7cac9c2f in __GI___poll (fds=0x7f4b751f2c28, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4b7b293917 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f4b7b29553a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f4b7552a288 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f4b7b36fcc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f4b7a8dd669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#6  0x00007f4b7cad6323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4b75be9d00 (LWP 1979)):
[KCrash Handler]
#6  0x00007f4b7b012969 in  () at /usr/lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1
#7  0x00007f4b7b012a29 in  () at /usr/lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1
#8  0x00007f4b7b0148b2 in  () at /usr/lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1
#9  0x00007f4b7b01529d in  () at /usr/lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1
#10 0x00007f4b7c8144c7 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#11 0x00007f4b7af7cab0 in  () at /usr/lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1
#12 0x00007f4b7c8144c7 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#13 0x00007f4b7b07780f in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwineffects.so.12
#14 0x00007f4b7c8144c7 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#15 0x00007f4b7b07780f in KWin::Effect::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwineffects.so.12
#16 0x00007f4b7c8144c7 in KWin::EffectsHandlerImpl::drawWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#17 0x00007f4b7c802a4f in KWin::Scene::finalPaintWindow(KWin::EffectWindowImpl*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#18 0x00007f4b7c814360 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#19 0x00007f4b7b00573c in  () at /usr/lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1
#20 0x00007f4b7c814307 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#21 0x00007f4b7b07768f in KWin::Effect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwineffects.so.12
#22 0x00007f4b7c814307 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#23 0x00007f4b7b07768f in KWin::Effect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwineffects.so.12
#24 0x00007f4b7c814307 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#25 0x00007f4b7b08075a in KWin::AnimationEffect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwineffects.so.12
#26 0x00007f4b7c814307 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#27 0x00007f4b7b08075a in KWin::AnimationEffect::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwineffects.so.12
#28 0x00007f4b7c814307 in KWin::EffectsHandlerImpl::paintWindow(KWin::EffectWindow*, int, QRegion, KWin::WindowPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#29 0x00007f4b7c809236 in KWin::Scene::paintWindow(KWin::Scene::Window*, int, QRegion, KWin::WindowQuadList) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#30 0x00007f4b7c805c2d in KWin::Scene::paintSimpleScreen(int, QRegion) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#31 0x00007f4b6cf19357 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#32 0x00007f4b7c808800 in KWin::Scene::finalPaintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#33 0x00007f4b7c8140b2 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#34 0x00007f4b7b0775c3 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwineffects.so.12
#35 0x00007f4b7c814061 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#36 0x00007f4b7b0775c3 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwineffects.so.12
#37 0x00007f4b7c814061 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#38 0x00007f4b7b0775c3 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwineffects.so.12
#39 0x00007f4b7c814061 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#40 0x00007f4b7b0775c3 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwineffects.so.12
#41 0x00007f4b7c814061 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#42 0x00007f4b7b0775c3 in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwineffects.so.12
#43 0x00007f4b7c814061 in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#44 0x00007f4b7c8084b3 in KWin::Scene::paintScreen(int*, QRegion const&, QRegion const&, QRegion*, QRegion*, QMatrix4x4 const&, QRect const&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#45 0x00007f4b6cf21c7e in KWin::SceneOpenGL::paint(QRegion, QList<KWin::Toplevel*>) () at /usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kwin.scenes/KWinSceneOpenGL.so
#46 0x00007f4b7c7fa247 in KWin::Compositor::performCompositing() () at /usr/lib/x86_64-linux-gnu/libkwin.so.5
#47 0x00007f4b7b562e55 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#48 0x00007f4b7bf4aa86 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#49 0x00007f4b7bf53e00 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#50 0x00007f4b7b536a9a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#51 0x00007f4b7b58da00 in QTimerInfoList::activateTimers() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#52 0x00007f4b7b58bcbf in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#53 0x00007f4b7552b642 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#54 0x00007f4b7b53563b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#55 0x00007f4b7b53d3a6 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#56 0x00007f4b7cbaf87d in kdemain () at /usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#57 0x00007f4b7c9db1e3 in __libc_start_main (main=0x5560ee6ca060, argc=1, argv=0x7ffed944aa08, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffed944a9f8) at ../csu/libc-start.c:308
#58 0x00005560ee6ca09e in _start ()
[Inferior 1 (process 1979) detached]

Reported using DrKonqi