Application: kwin_x11 (5.12.5)

Qt Version: 5.10.1
Frameworks Version: 5.47.0
Operating System: Linux 4.17.2-200.fc28.x86_64 x86_64
Distribution (Platform): Fedora RPMs

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

I changed the speed of the animations in the system settings, the 2 monitors have become completely black and then the error of something that has crashed has appeared

(Sorry for my bad english)

-- Backtrace:
Application: KWin (kwin_x11), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0004074940 (LWP 1189))]

Thread 5 (Thread 0x7effc17c5700 (LWP 1434)):
#0  0x00007efffd56652c in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f00032cf9f8 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007f00032cfa63 in  () at /lib64/libQt5Script.so.5
#3  0x00007efffd560594 in start_thread () at /lib64/libpthread.so.0
#4  0x00007efffa3da02f in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7effd6572700 (LWP 1325)):
#0  0x00007efffa3cf6a6 in ppoll () at /lib64/libc.so.6
#1  0x00007efffb297e55 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /lib64/libQt5Core.so.5
#2  0x00007efffb299159 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#3  0x00007efffb24a12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007efffb0989c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#5  0x00007f0002259339 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#6  0x00007efffb09d11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007efffd560594 in start_thread () at /lib64/libpthread.so.0
#8  0x00007efffa3da02f in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7effdce1b700 (LWP 1285)):
#0  0x00007efffa3cf6a6 in ppoll () at /lib64/libc.so.6
#1  0x00007efffb297e55 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /lib64/libQt5Core.so.5
#2  0x00007efffb299159 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#3  0x00007efffb24a12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007efffb0989c6 in QThread::exec() () at /lib64/libQt5Core.so.5
#5  0x00007f0004134299 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5
#6  0x00007efffb09d11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007efffd560594 in start_thread () at /lib64/libpthread.so.0
#8  0x00007efffa3da02f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7effde89a700 (LWP 1253)):
#0  0x00007efffa3cf5a9 in poll () at /lib64/libc.so.6
#1  0x00007efffca5104f in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007efffca52caa in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007effdf58b4d9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007efffb09d11d in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007efffd560594 in start_thread () at /lib64/libpthread.so.0
#6  0x00007efffa3da02f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f0004074940 (LWP 1189)):
[KCrash Handler]
#6  0x00007efffa316f2b in raise () at /lib64/libc.so.6
#7  0x00007efffa301561 in abort () at /lib64/libc.so.6
#8  0x00007efffa301431 in _nl_load_domain.cold.0 () at /lib64/libc.so.6
#9  0x00007efffa30f692 in  () at /lib64/libc.so.6
#10 0x00007efffc7d674f in  () at /lib64/libepoxy.so.0
#11 0x00007efffc7ab6ba in  () at /lib64/libepoxy.so.0
#12 0x00007f00033fe064 in  () at /lib64/libkwin4_effect_builtins.so.1
#13 0x00007f00033fe14d in  () at /lib64/libkwin4_effect_builtins.so.1
#14 0x00007f0003aaf5ea in KWin::EffectsHandlerImpl::unloadAllEffects() () at /lib64/libkwin.so.5
#15 0x00007f0003aaf68b in KWin::EffectsHandlerImpl::~EffectsHandlerImpl() () at /lib64/libkwin.so.5
#16 0x00007effdc3f709c in  () at /usr/lib64/qt5/plugins/org.kde.kwin.platforms/KWinX11Platform.so
#17 0x00007effdc3f716d in  () at /usr/lib64/qt5/plugins/org.kde.kwin.platforms/KWinX11Platform.so
#18 0x00007f0003a902cf in  () at /lib64/libkwin.so.5
#19 0x00007f0003a907a1 in KWin::Compositor::slotReinitialize() () at /lib64/libkwin.so.5
#20 0x00007f0003b74211 in KWin::Compositor::qt_metacall(QMetaObject::Call, int, void**) () at /lib64/libkwin.so.5
#21 0x00007f00041400bb in QDBusConnectionPrivate::deliverCall(QObject*, int, QDBusMessage const&, QVector<int> const&, int) () at /lib64/libQt5DBus.so.5
#22 0x00007efffb274a26 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#23 0x00007efffbb12e95 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#24 0x00007efffbb1a83a in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#25 0x00007efffb24b376 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#26 0x00007efffb24e09b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#27 0x00007efffb298fcf in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#28 0x00007effdf619321 in QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5XcbQpa.so.5
#29 0x00007efffb24a12b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#30 0x00007efffb2525b6 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#31 0x00007f0003e3093f in kdemain () at /lib64/libkdeinit5_kwin_x11.so
#32 0x00007efffa30318b in __libc_start_main () at /lib64/libc.so.6
#33 0x0000559812022cda in _start ()

Reported using DrKonqi