Messages in this thread | | | Date | Sun, 17 Jun 2007 20:16:27 -0400 | From | Dave Jones <> | Subject | Re: [AGPGART] intel_agp: use table for device probe |
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On Mon, Jun 18, 2007 at 02:06:43AM +0200, Carlo Wood wrote: > On Sun, Jun 17, 2007 at 06:49:18PM -0400, Dave Jones wrote: > > ok, then you must have CONFIG_AGP=y > > I do - not voluntary however. For some mysterious reason I am > unable to set it to n or m.
You likely have CONFIG_IOMMU set. This makes AGP non-optional.
> I am also not able to set CONFIG_AGP_INTEL > to n, only to y or m. > (using make 'menuconfig' for example).
Can't explain that one.
> > > Hence, in the case that the kernel works, intel-agp is loaded > > > WITHOUT printing this Detected line > > > > That doesn't make much sense. The hardware doesn't change between > > a working & not-working kernel, and somehow the PCI probing fails. > > Hmm, do you have CONFIG_EDAC set ? > > CONFIG_EDAC=m > > $ lsmod | grep edac
ok, red herring.
> > There's an outstanding bug (well, lack of feature) , where it claims > > the PCI device before AGP gets a chance to. > > This is unrelated to your hang however, but would at least explain > > the inconsistent probing. > > > > > Perhaps my "solution" is to remove this module completely? > > > I don't seem to need it. > > > > It's needed only for 3d, > > Nope - I just played UT2004 without problems, and without intel-agp loaded.
Using the nvidia driver? It has its own built-in AGP support which will get used if the kernel AGP support is missing.
> > but it'd be good to figure out why its so > > broken on your system, even if you don't need it. > > Please tell me what to do / try. > I'm an experienced coder - but I never really played with the > kernel before - so you'll have to spell out how to turn on debugging etc.
Right now, I'm at a loss to explain the corruption, so it's difficult to suggest what to try.
Dave
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