linux-kernel - Re: sata_nv: 2.6.22 is not fixed, but certainly improved

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Message-id: <469C1658.4070204@shaw.ca>
Date:	Mon, 16 Jul 2007 19:07:36 -0600
From:	Robert Hancock <hancockr@...w.ca>
To:	Charles Shannon Hendrix <shannon@...omaker.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: sata_nv: 2.6.22 is not fixed, but certainly improved

Charles Shannon Hendrix wrote:
> I just compiled 2.6.22.1 on my Kubuntu 7.0.4 system.
> 
> As before, I get errors using my Seagate SATA drives, and setting adma=0
> fixes the problem.  I've posted the exact error/reset messages several times
> before.
> 
> However, I would like to note that it happens far less often with 2.6.22.1
> than it did with 2.6.21.
> 
> The history on my own machine is like this:
> 
> 	2.6.19	perfect, but of course no ADMA/NCQ
> 	2.6.20	horrible, with hard resets starting immediately upon
> 		boot, and taking 15 minutes to finally disable NCQ
> 	2.6.21	bad resets, but they only occured ever 10-30 minutes,
> 		NCQ never disabled
> 	2 6.22	resets infrequent, they are soft resets, and much
> 		quicker than before (i.e. less interruption of my usage)
> 		NCQ is never disabled
> 
> I have no idea why I might be seeing a gradual reduction in the severity of
> the problem, but it seems worth noting.
> 
> I want to point it out in case it means something to anyone working on
> the kernel, especially the SATA code and drivers.
> 
> In the last 4 hours of use, I've seen a single reset.
> 
> On all previous kernels under the same load, I'd already have seen several of
> them, or with 2.6.20, a constant stream of them.

Can you post the output you got from the reset on 2.6.22?

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

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