Bug#536098: xserver-xorg-video-radeon: deterministic X lockup with dri

[Alex Deucher]

On Tue, Jul 7, 2009 at 11:43 AM, Jonathan Rafael
Ghiglia<jrghiglia at gmail.com> wrote:
> Package: xserver-xorg-video-radeon
> Version: 1:6.9.0-1+lenny4
> Severity: normal
>
>
> I have an ATI firegl 8700.
> I'm using a custom kernel based on 2.6.30.1 but I get the exact same problem with the standard debian kernel (2.6.26 with debian testing).
>
> The problem shows with blender, but blender is the only GL application I (would like to) use.
>
> I can trigger the bug at will: launch blender, move the default cube right, change the view to "user" then move the cube again.
>
> Here I get the lockup.
>
> Xorg cpu usage goes to ~100 %.
> I can move the mouse, very slowly. Everything else is just dead.
>
> I can REISUB, and I can ssh into the computer, but I can't kill Xorg, just gdb-attach to it.

The GPU has hung.  I'd suggest trying a newer mesa snapshot,
preferably 7.6 or git master.

Alex