https://bugs.freedesktop.org/show_bug.cgi?id=65810
Michel Dänzer michel@daenzer.net changed:
What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |NOTOURBUG
--- Comment #3 from Michel Dänzer michel@daenzer.net --- (In reply to comment #2)
I have the same after playing SpaceChem(game using Mono) on Steam. It goes away after stopping Steam.
xwininfo: Window id: 0x4a00073 (has no name)
Absolute upper-left X: 0 Absolute upper-left Y: 0 Relative upper-left X: 0 Relative upper-left Y: 0 Width: 64 Height: 24
Yep, looks like a leftover window. Probably a steam bug then, but definitely not a driver bug.