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SubjectRe: Attansic L1 page corruption
Jay L. T. Cornwall wrote:
> Jay Cliburn wrote:
>
>> For reasons not yet clear to me, it appears the L1 driver has a bug or
>> the device itself has trouble with DMA in high memory. This patch,
>> drafted by Luca Tettamanti, is being explored as a workaround. I'd be
>> interested to know if it fixes your problem.
>
> Yes, it certainly seems to. Now running with this patch and 4GB active,
> I've transferred about 15GB with no problem so far. It usually oopses
> after a GB or two.
>
> I guess it's not an ideal solution, architecturally speaking, but it's a
> good deal better than an unstable driver. If there's any other patches
> you'd like me to test or traces to capture, I'm happy to help out.
> Otherwise I'll run with this one for now since it does the job!

Okay Jay, thanks.

Luca, would you please submit your patch to Jeff Garzik and netdev?

Jay

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