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

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Date:	Thu, 18 Jan 2007 08:36:21 -0800
From:	Chris Wedgwood <cw@...f.org>
To:	andersen@...epoet.org, Andi Kleen <ak@...e.de>,
	Christoph Anton Mitterer <calestyo@...entia.net>,
	Robert Hancock <hancockr@...w.ca>,
	linux-kernel@...r.kernel.org, knweiss@....de, 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 Thu, Jan 18, 2007 at 04:00:28AM -0700, Erik Andersen wrote:

> I just tried again and while using iommu=soft does avoid the
> corruption problem, as with previous kernels with 2.6.20-rc5 using
> iommu=soft still makes my pcHDTV HD5500 DVB cards not work.

i would file a separate bug about that, presumably it won't work in
intel based machines too if the driver has dma api bugs

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