Re: modular intel-agp does not work on my box

Dave Jones
2008-02-22T04:19:40Z

On Fri, Feb 22, 2008 at 04:27:33AM +0100, Gabriel C wrote:
> Gabriel C wrote:
> > Dave Airlie wrote:
> >>> Hi,
> >>>
> >>> When building agp* modular ( CONFIG_AGP=y/m and CONFIG_AGP_INTEL=m ) intel-agp does nothing on my box
> >>> ( Dell Precision WorkStation 530 MT ) chipset is not being detected.
> >>>
> >>> Building both Y fixes that and agpgart works and also detects my chipset.
> >> Have you got EDAC modules built as well? they might be taking ownership
> >> when they shouldn't..
> >>
> >
> > Yes I have EDAC built modular. I will build latest git without EDAC and agp modular
> > and let you know if that fixes ( workarounds ;) ) the problem.
>
> You are right without EDAC built , agp modular does work fine. I'm on 2.6.25-rc2-00477-g1a4c6be right now.
>
> So it is an EDAC bug ?

No, it's a failing of the pci driver model. It currently doesn't
allow more than one driver to be bound to a single PCI device.
For multi-function devices like bridges, this means we see problems
like the one you mention.

Dave

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