Messages in this thread | | | Date | Sat, 27 Mar 2010 07:38:38 +0100 | From | Engel <> | Subject | Re: [Regression] r8169: enable 64-bit DMA by default for PCI Express devices (v2) |
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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?
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