Thread 1 "kwin_wayland" received signal SIGSEGV, Segmentation fault.
0x00007fffdcbd5b58 in ?? () from /usr/lib/qt/plugins/org.kde.kwin.waylandbackends/KWinWaylandDrmBackend.so
#0  0x00007fffdcbd5b58 in  () at /usr/lib/qt/plugins/org.kde.kwin.waylandbackends/KWinWaylandDrmBackend.so
#1  0x00007fffdcbc6f9d in KWin::DrmBackend::pageFlipHandler(int, unsigned int, unsigned int, unsigned int, void*) () at /usr/lib/qt/plugins/org.kde.kwin.waylandbackends/KWinWaylandDrmBackend.so
#2  0x00007fffdc9b5fc4 in drmHandleEvent () at /usr/lib/libdrm.so.2
#3  0x00007fffdcbc7312 in  () at /usr/lib/qt/plugins/org.kde.kwin.waylandbackends/KWinWaylandDrmBackend.so
#4  0x00007ffff5d96b2f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#5  0x00007ffff5da3349 in QSocketNotifier::activated(int, QSocketNotifier::QPrivateSignal) () at /usr/lib/libQt5Core.so.5
#6  0x00007ffff5da3724 in QSocketNotifier::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#7  0x00007ffff6321e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#8  0x00007ffff6329816 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#9  0x00007ffff5d661e0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#10 0x00007ffff5dbf651 in QEventDispatcherUNIXPrivate::activateSocketNotifiers() () at /usr/lib/libQt5Core.so.5
#11 0x00007ffff5dbfce9 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#12 0x00007fffdfea3bfe in  () at /usr/lib/qt/plugins/platforms/KWinQpaPlugin.so
#13 0x00007ffff5d6482b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#14 0x00007ffff5d6db18 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#15 0x000055555555c2c4 in  ()
#16 0x00007ffff5182f4a in __libc_start_main () at /usr/lib/libc.so.6
#17 0x000055555555c6da in _start ()