linux-kernel - Re: data corruption with nvidia chipsets and IDE/SATA drives (k8 cpu errata needed?)

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Date:	Wed, 17 Jan 2007 02:17:07 +0100
From:	Christoph Anton Mitterer <calestyo@...entia.net>
To:	Andi Kleen <ak@...e.de>
CC:	Chris Wedgwood <cw@...f.org>, Robert Hancock <hancockr@...w.ca>,
	linux-kernel@...r.kernel.org, knweiss@....de,
	andersen@...epoet.org, krader@...ibm.com, lfriedman@...dia.com,
	linux-nforce-bugs@...dia.com
Subject: Re: data corruption with nvidia chipsets and IDE/SATA drives (k8
 cpu errata needed?)

Andi Kleen wrote:
> AMD is looking at the issue. Only Nvidia chipsets seem to be affected,
> although there were similar problems on VIA in the past too.
> Unless a good workaround comes around soon I'll probably default
> to iommu=soft on Nvidia.
I've just read the posts about AMDs and NVIDIAs effort to find the
issue,... but in the meantime this would be the best solution.

And if "we"'ll ever find a rue solution,.. we could still deactivate the
iommu=soft setting.


Best wishes,
Chris.

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