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

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Message-ID: <20070116203534.GA4991@tuatara.stupidest.org>
Date:	Tue, 16 Jan 2007 12:35:34 -0800
From:	Chris Wedgwood <cw@...f.org>
To:	Krzysztof Halasa <khc@...waw.pl>
Cc:	Robert Hancock <hancockr@...w.ca>,
	Christoph Anton Mitterer <calestyo@...entia.net>,
	linux-kernel@...r.kernel.org, knweiss@....de, ak@...e.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?)

On Tue, Jan 16, 2007 at 09:31:31PM +0100, Krzysztof Halasa wrote:

> Do you (someone) have (maintain) a list of affected systems,
> including motherboard type and possibly version, BIOS version and
> CPU type? A similar list of unaffected systems with 4GB+ RAM could
> be useful, too.

All I know is that some system hit this and some don't seem to.  Why
it's not clear.

> I'm afraid with default iommu=soft it will be a mystery forever.

Right, but given windows doesn't use the iommu at all and that a lot
of newer hardware/drivers doesn't need it it might be the safest
option since it clearly has been causing corruption for a number of
people for well over a year now.

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