graphics corruption/hardlock with Radeon Mobility 9600

Michel Dänzer michel at
Mon Jan 5 09:04:03 PST 2009

On Mon, 2009-01-05 at 07:54 -0800, Pedro R wrote:
> i've been having major problems with any version of Xorg above 7.2. I
> had openSUSE 10.3 running on my system for a year and a half when i
> decided to upgrade to 11.1. After upgrading, gdm hardlocks and show
> corrupted graphics. So i decided to try various distributions:
> ZenWalk, gentoo, fedora, debian lenny, etc. The same happens in all of
> them: at first boot into gdm, it locks up completely - ctrl + alt +
> del, ctrl + fX, even quickly pressing and depressing the power button
> doesn't work.
> Only openSUSE 10.3 (xorg 7.2) and Debian etch (7.1) work flawlessly.
> I've pinned down this problem to either a xorg, xorg-radeon or gdm
> bug, since Windows runs fine with 3D acceleration.


	Option	"DRI" "off"

work around the problem? If so, how about

	Option	"BusType" "PCI"

? If so, please try all possible values for Option "AGPMode" and let us
know if one of them works on your system.

Always verify in Xorg.0.log that an option takes effect as intended.

Earthling Michel Dänzer           |      
Libre software enthusiast         |          Debian, X and DRI developer

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