linux-kernel - Re: SATA exceptions with 2.6.20-rc5

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Date:	Fri, 02 Feb 2007 23:48:14 -0600
From:	Robert Hancock <hancockr@...w.ca>
To:	Björn Steinbrink <B.Steinbrink@....de>,
	Robert Hancock <hancockr@...w.ca>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Larry Walton <lwalton@...l.com>, s0348365@....ed.ac.uk,
	pomac@...or.com, chunkeey@....de, Jeff Garzik <jeff@...zik.org>
Subject: Re: SATA exceptions with 2.6.20-rc5

Björn Steinbrink wrote:
> On 2007.01.24 01:39:23 +0100, Björn Steinbrink wrote:
>> On 2007.01.23 17:18:43 -0600, Robert Hancock wrote:
>>> Larry Walton wrote:
>>>> The last patch (sata_nv-force-int-dev-in-interrupt.patch) 
>>>> seems to have fix the problem.  Much appreciated, 
>>>> thank you. I'd consider it a must have in 2.6.20.
>>> Can any of the rest of you that have been seeing this problem also 
>>> confirm that this fixes it?
>> Seems to work for me, uptime is about an hour now and no exception yet.
>> Had the stress test running for only about 10 minutes, but I usually got
>> an exception within an hour even during plain irssi usage, so I'm quite
>> confident that the patch fixes it.
> 
> Or maybe not :( Just got an exception on 2.6.20-rc6. Took 4 days of
> uptime to trigger, so it's just a lot harder to trigger now.

Same exception details as before?

There's a patch in -mm (sata_nv-use-adma-for-nodata-commands.patch) 
which should hopefully avoid this problem for the cache flush commands, 
at least - can you try that one out? You'll have to apply the other 
sata_nv patches in -mm first, i.e. this order:

http://www2.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.20-rc6/2.6.20-rc6-mm3/broken-out/sata_nv-cleanup-adma-error-handling-v2.patch
http://www2.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.20-rc6/2.6.20-rc6-mm3/broken-out/sata_nv-cleanup-adma-error-handling-v2-cleanup.patch
http://www2.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.20-rc6/2.6.20-rc6-mm3/broken-out/sata_nv-use-adma-for-nodata-commands.patch

-- 
Robert Hancock      Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@...pamshaw.ca
Home Page: http://www.roberthancock.com/

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