I can confirm this problem. It only happens in gnome-shell, in fallback mode everything looks stable.
The problem occurs in gnome-shell 3.2 as the reporter described. In gnome-shell from unstable I can trigger this effect by switching desktops witch CTRL+ALT+Up/Down for a while. Regards, Kai -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org