linux-kernel - Re: 2.6.32.2 SATA link detect failed, 2.6.32.1 works fine

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Message-ID: <4B34C097.1000206@kernel.org>
Date:	Fri, 25 Dec 2009 22:39:35 +0900
From:	Tejun Heo <tj@...nel.org>
To:	fengxiangjun <fengxiangjun@...soft.com>
CC:	Robert Hancock <hancockrwd@...il.com>,
	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: 2.6.32.2 SATA link detect failed, 2.6.32.1 works fine

On 12/25/2009 10:35 AM, fengxiangjun wrote:
>> Hmmm... SControl DET hasn't been cleared.  Does the attached patch
>> make any difference?
> 
> After 5 successful reboots, I think the patch does fix the problem.
> Thank you very much.

Can you please try this one?  Retry logic was wrong in the original
patch.  With this patch, you should see one "link resume succeeded
after %d retries" message when the original kernel would have failed
probe.  Can you please test this patch and post boot log with such
message?

Thanks.

-- 
tejun

View attachment "retry-link-resume.patch" of type "text/x-patch" (2072 bytes)