2014-08-20 20:25 GMT+02:00 Frank Zimmermann <frank.zimmermann.berlin@xxxxxxxxxx>: > > What happens when you deactivate your gnome-extensions? I do not have any gnome extension installed. But this afternoon I just solved the problem: setting Xorg to use UXA instead of SNA, and everything works fine again. I started suspecting when suddenly Steam also stopped working. Must have happened after an update of the drivers.