Created attachment 106387 [details]
kwin_x11 --replace with trying to drag and resize via meta-mouse-left/right
For a "long" time (currently uptime 50 days) everything works normal.
But then, without doing anything special, things don't work anymore.
I can't drag or resize windows or alt-tab between windows.
Restarting kwin_x11 I can drag and resize, but when I alt-tab, it doesn't work again.
Also when this happens, on konsole selected things or ctrl-shift-c aren't copied anymore.
Problem also happens at three co-worker-pcs with similar setup. Happened by them month ago but I couldn't find out why. Neither of us did anything special.
Updating to newer packages as they came didn't solve it.
One with nVidia, 3 with Intel gpus. All Intel CPUs.
All Debian testing. But not all on latest packages (currently 5.8.4, 5.8.5, 5.8.6).
Fix will be in 5.8.7
*** This bug has been marked as a duplicate of bug 377901 ***