On Wed, Jul 3, 2013 at 11:09 AM, János Illés <ijanos@xxxxxxxxx> wrote: > Here's the symptoms: > Everything freeze. It takes 5-15 seconds and everything goes back to normal. > But, the freeze is only visual, sound/music playback works continously, I > can ssh to the machine, even the mouse moves and changes (!) accordingly if > I hover something. Only the displayed content freezes, sometimes in the > middle of an animation. I would check cpupower, laptop-mode-tools, or other power-saving tools; I have the same thing happen on my system, but only when running on battery when all the power-saving stuff is active. Regards, ~Celti