On 2013-05-14 11:19 +0200, Bastien ROUCARIÈS wrote: > I talk to fast, instead to take a few hour it take two days to show the > graphics corruption... > > Reassign back. > > What is the next step to debug ? You could file a bug upstream on https://bugs.freedesktop.org/. Choose product "xorg", component "Driver/nouveau" and let us know the bug number when you have it. See http://nouveau.freedesktop.org/wiki/Bugs/ for details. Cheers, Sven