Slow Window Drag Causes Transparent Window And Locks GUI

[Thomas Lübking]

Am Fri, 9 Feb 2018 14:19:07 -0600
schrieb Nathan Royce <nroycea+xorg at gmail.com>:

> [stuff]
> The short of it is this...

KWin skips a button release, maybe it's indeed not generated by the
server.
Check your xorg log on whether you use libinput or evdev and try the
other to see whether it's a problem with one driver exclusively.
Just to be sure: this isn't a touchpad, is it?