linux-kernel - Re: SC1200 failure in 2.6.23 and 2.6.24-rc1-git10

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Date:	Thu, 8 Nov 2007 10:48:13 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	"Denys Fedoryshchenko" <denys@...p.net.lb>
Cc:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	Jeff Garzik <jeff@...zik.org>, Mark Lord <liml@....ca>,
	James Andrewartha <jamesa@....com.au>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org,
	htejun@...il.com
Subject: Re: SC1200 failure in 2.6.23 and 2.6.24-rc1-git10

On Thu, 8 Nov 2007 09:16:35 +0200
"Denys Fedoryshchenko" <denys@...p.net.lb> wrote:

> Does it work as kernel parameter?
> 
> I tried libata_dma_mask=0x4 and to set 0xf or 0xff - doesn't help. How to 
> disable DMA in libata, if it is compiled in kernel?

libata.dma_mask=3

will leave you with CD and disk DMA but not CF DMA

(Note libata[DOT] not underscore)
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