I'm having the same problem with Ubuntu 14.04 running the Gnome shell with whatever that faster feature is, but without the graphic acceleraton. It started when I made some changes in the color of the top bar on my screen.
Dora
I'm having the same problem with Ubuntu 14.04 running the Gnome shell with whatever that faster feature is, but without the graphic acceleraton. It started when I made some changes in the color of the top bar on my screen.
Dora