linux-kernel - Re: sata_nv + ADMA + Samsung disk problem

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Message-ID: <477B2CE4.8070602@garzik.org>
Date:	Wed, 02 Jan 2008 01:19:16 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Tejun Heo <htejun@...il.com>
CC:	Robert Hancock <hancockr@...w.ca>,
	Gabor Gombas <gombasg@...aki.hu>, linux-kernel@...r.kernel.org,
	linux-ide@...r.kernel.org, kluo@...dia.com, AMartin@...dia.com,
	pchen@...dia.com
Subject: Re: sata_nv + ADMA + Samsung disk problem

Tejun Heo wrote:
> Thanks a lot for the detailed explanation.  Nvidia ppl, any ideas?
> FLUSH is used regularly.  We really need to fix this.


I reiterate my opinion :)  ...   We should remove ADMA support from 
sata_nv.  It's only in a few chips, it's not appearing in any new chips, 
and nasty problems have lingered since ADMA support was introduced.

Definitely sounds like we should disable ADMA by default for 2.6.24-rc, too.

	Jeff


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