[Bug 9284] Ubuntu 6.10 (Edgy) Live CD freezes (black screen) for ATI cards unless disabling DRI or reducing AGP speed

[Michel Dänzer]

On Fri, 2006-12-15 at 11:57 -0500, Alex Deucher wrote:
> On 12/15/06, Michel Dänzer <michel at tungstengraphics.com> wrote:
> > On Wed, 2006-12-13 at 13:13 -0500, Alex Deucher wrote:
> > > On 12/13/06, Michel Dänzer <michel at tungstengraphics.com> wrote:
> > > > On Wed, 2006-12-13 at 09:05 -0800,
> > > > bugzilla-daemon at annarchy.freedesktop.org wrote:
> > > > >
> > > > > ------- Additional Comments From monika.uni at arcor.de  2006-12-13 09:04 -------
> > > > > Yes, after adding
> > > > > Option "AGPMode" "8"
> > > > > to the device section of the graphics card in the xorg.conf the GUI starts while
> > > > > the AGP speed is set to 8x in the BIOS.
> > > >
> > > > So, I think it would help a lot if the driver defaulted to the AGP
> > > > transfer rate that was set up in the BIOS instead of to 1x/4x. Does
> > > > anyone know how to determine that?
> > >
> > > Just read the current value from the regs.
> >
> > Something like this?
> 
> Looks good.

Thank you for the hint and review Alex. Turns out my firmware sets up 4x
and fast writes for my M10/1, and it's all working nicely. :)


-- 
Earthling Michel Dänzer           |          http://tungstengraphics.com
Libre software enthusiast         |          Debian, X and DRI developer