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SubjectRe: 2.6.15-git breaks Xorg on em64t
>  > > Another datapoint btw: I've another EM64T that works just fine.
> > > The one that fails is the only one that isn't using onboard VGA,
> > > this one has a PCIE Radeon. Given it happens when X is starting up,
> > > it could be that the X radeon driver does something special which
> > > is why others aren't seeing this.
> > >
> >
> > It might be due to the DRM update that went through, but I can't think
> > what might have caused it, if you backout the DRM merge does it help
> > any?
> As it turns out, -git11 with all the DRM bits backed out gives me
> a working X again.
> > did the previous kernel have DRM support for that card?
> No. This is 1002:5b60 / 1002:5b70 based card.
> I had previously missed the 5b60 part in lspci output, so thinking
> there was no 5b70 addition, I hadn't considered this as a suspect.
> Mea Culpa. Looks like Andi is off the hook :-)
> Any ideas for any debugging I can add ?

Disable dri in your xorg.conf first, (remove the Load "dri"), if that
works which it most likely will, then send me an Xorg.0.log, and a drm
debug trace (modprobe drm debug=1),

I'm going to be looking at a 64-bit machine with PCIE radeon in the
next day or two, I'll be getting one myself post LCA more than

I think more than likely we are hitting a problem where the DRM sets
up the radeon RAM controller and the X server sets it up
differently... benh has fixes for this but they need to go into the X
server driver....


> Dave
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