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SubjectRe: [Regression] r8169: enable 64-bit DMA by default for PCI Express devices (v2)
On Fri, 26 March 2010 19:55:44 -0600, Robert Hancock wrote:
>
> Well, that one's 36 bits, but it's unclear whether that driver would
> actually be likely to access anything over 4GB. It's possible that
> there's just some general problem with 64-bit DMA on that machine.

That may very well be. I've had trouble using a PCIe card in that
machine as well. "Solution" was to buy a different computer. Sad, I
know, but not my money.

> The fact that even stuff like lspci and MII is breaking seems odd,
> though. It could be that model of card doesn't like the PCIDAC register
> bit being set (maybe it means something different on that model, or
> something).
>
> I suppose a publicly accessible datasheet for these chips is too much to
> hope for?

Which chips?

J�rn
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