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

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Message-Id: <20071108195605.M20599@visp.net.lb>
Date:	Thu, 8 Nov 2007 21:56:32 +0200
From:	"Denys Fedoryshchenko" <denys@...p.net.lb>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	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

Thanks, it works like that.

Seems in libata there is no fall-back to non-DMA mode, if DMA didn't work.

On Thu, 8 Nov 2007 12:31:39 -0500, Jeff Garzik wrote
> On Thu, Nov 08, 2007 at 06:44:31PM +0200, Denys Fedoryshchenko wrote:
> > Doesn't help
> > 
> > WRAP ~ #cat /proc/cmdline
> > console=ttyS0,38400n8 libata.dma_mask=3
> 
> It's "libata.dma" if its built into the kernel, or 'dma' module 
> option if built as a kernel module.
> 
> 	Jeff


--
Denys Fedoryshchenko
Technical Manager
Virtual ISP S.A.L.

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