Graphics glitches on ATI Mobility Radeon X1400

[Alex Deucher]

On Wed, May 27, 2009 at 11:59 AM, Andre Johnson <nedenom at hotmail.com> wrote:
> Have a look at this:
> https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/363287
> Can anyone tell me if this is a known bug with this chipset?

looks like bug 18397:
http://bugs.freedesktop.org/show_bug.cgi?id=18397

Does the following option in the device section of your config fix it?

Option "EXANoDownloadFromScreen"

Alex