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

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Message-ID: <4B31DB17.4050509@kernel.org>
Date:	Wed, 23 Dec 2009 17:55:51 +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

Hello,

On 12/22/2009 11:02 AM, fengxiangjun wrote:
> You are right, it's definitely timing related.
> 
> I just tried capturing the failed booting message through a null modem 
> cable, but the problem goes away! It seems that I can't reproduce it 
> with serial console attached.

Hmmm... this is the second report of probing failure with SIDPR based
hardreset.  Can you please apply the attached patch and see whether
the problem is reproducible?  And if so, please attach full boot log.
Can you please also attach hdparm -I output of the occassionally
failing drive.

Thanks.

-- 
tejun

View attachment "piix-longer-debounce.patch" of type "text/x-patch" (2957 bytes)