Re: 2.6.25-rc3 + RS690 + DRM + xf86-video-ati hang

From: JoJo jojo
Date: Tue Mar 04 2008 - 12:14:01 EST


Is 128 MB some sort of a sweet spot for ram allocated to gpu ?
(hard coded?)

First Alex suggested that, & now you.

(asking 'coz i used 256 MB while testing)

-JoJo

On Tue, Mar 4, 2008 at 4:53 PM, Dave Airlie <airlied@xxxxxxxx> wrote:
> >
> > Is xf86-driver-ati 6.8.0 not a proper release? I'm pretty sure the
> > combination of that, 2.6.25-rc3 and CONFIG_DRM_RADEON causes my machine
> > to become unresponsive. I only tried a git build of the driver after the
> > released version was causing issues.
>
> Yes we made a mistake with 6.8.0 enabling DRI on rs680 chips before we
> knew it worked for everyone, I may be still able to fix this in the kernel
> but there is a good chance that it'll require a 6.8.1 userspace, I can't
> do anything else about it..
>
> Jonathan I appreciate the bug report, I'm more saying to Andrew that
> getting DRI right on new chipsets is non-trivial as there are lot of
> configurations we can't test until we actually push the code to users..
> and in this case you are one of those..
>
> you might try setting the VRAM in your BIOS to 128MB instead of Auto and
> seeing it helps..
>
> I'll be trying to fix the problem properly quite soon.
>
> The correct workaround is to add Option "DRI" "Off" to xorg.conf or for me
> to travel back in time and unrelease 6.8.0. Removing the kernel DRI
> support will just break lots of working systems.
>
> Dave.
>
>
> >
> > Replacing 2.6.25-rc3 with 2.6.24 (still with CONFIG_DRM_RADEON enabled)
> > results in a machine that boots to GDM successfully. Likewise if I
> > disable CONFIG_DRM_RADEON in 2.6.25-rc3 the machine boots to GDM ok.
> >
> > J.
> >
> >
>
>
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> xorg-driver-ati@xxxxxxxxxxx
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>
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