Oops with Radeon/Uninorth on Maple

[Alex Deucher]

On Thu, May 24, 2012 at 2:18 AM, Dmitry Eremin-Solenikov
<dmitry_eremin at mentor.com> wrote:
> Hello, colleagues,
>
> I'm trying to enable an AGP slot (again) on my Maple board (dual PPC970FX
> board, with CPC925 (U3H) north bridge).
>
>  For now I'm stuck with a problem: I use radeon card, drm-radeon driver with
> KMS.
>
> If I force drm-radeon to think about a card as about PCI card (by commenting
> corresponding lines in drm_radeon_kms.c), everything works, I get
> framebuffer, working X11, etc. If I enable agpgart-uninorth driver
> and RADEON_IS_AGP flag in drm driver, I get an Oops early during the
> bootstrap. Relevant part of the log (I can send full dmesg of normal
> bootstrap or this oops on request, if that would help).

For future reference, you can disable AGP by loading radeon with the
agpmode parameter set to -1, e.g., radeon.agpmode=-1

No need to edit the source.

Alex