netdev - Re: skge dysfunction on Amd X2 machine with 4GB memory

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Message-ID: <20070220071502.GA5081@tuatara.stupidest.org>
Date:	Mon, 19 Feb 2007 23:15:02 -0800
From:	Chris Wedgwood <cw@...f.org>
To:	Matti Aarnio <matti.aarnio@...iler.org>
Cc:	netdev@...r.kernel.org
Subject: Re: skge dysfunction on Amd X2 machine with 4GB memory

On Sun, Feb 11, 2007 at 04:57:55PM +0200, Matti Aarnio wrote:

> With the skge driver there seems to be some sort of problem to work
> in a system with memory above the 4 GB of PCI address space.

The chipset (apparently) doesn't deal with bus addresses over 4GB even
though the MAC does.

I guess the right way to fix this long term is to detect systems with
these chips and mask the dma_mask globally (or if you're clever per
bus)?

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