Re: [PATCH] aic7xxx bouncing over 4G

Arjan van de Ven (
29 Dec 2002 13:54:52 +0100

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On Sat, 2002-12-28 at 20:13, Justin T. Gibbs wrote:

> The main reason why the new driver "breaks" where the old one
> doesn't is that the new driver does not perform an extra register
> read to work-around chipsets that screw up memory mapped I/O. There
> are four solutions to this problem:

just to be're not talking about PCI posting right?
can you explain in a bit more detail the exact behavior that is the
problem ? (I'm sure a lot of other drivers will suffer the same so I
consider it of general interest)

Arjan van de Ven

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