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

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Message-id: <alpine.LNX.2.00.0912241535340.1682@darkstar.example.net>
Date:	Thu, 24 Dec 2009 15:45:11 +0800 (CST)
From:	fengxiangjun <fengxiangjun@...soft.com>
To:	Tejun Heo <tj@...nel.org>
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


Hi, I can not capture the full failing boot log.
The kernel panic, and shift + pageup does not work. 

With output to serial console, the problem goes away.

I think with an initrd, I can reproduce the problem and capture the full 
failing boot log.
But with an initrd, there's no problem. Every thing works fine.

Thanks.

On Thu, 24 Dec 2009, Tejun Heo wrote:

> On 12/23/2009 06:29 PM, fengxiangjun wrote:
> > 
> > Hi,
> > 
> > with this patch, the problem still exists.
> > 
> > ata1.01: XXX debounce start, SStatus=4
> > ata1.01: XXX debounce done, SStatus=4, DET stable for 520 msecs
> > ata1.00: SATA link down (SStatus 0 SControl 301)
> > ata1.01: SATA link down (SStatus 0 Scontrol 300)
> > ...
> > VFS; cannot open root device ...
> > 
> > The kernel just panic, and I can't see what's the messege printing before 
> > that.
> > 
> > So, I tried 'console=ttyS0 console=tty1'，full dmesg attached。
> 
> Can you please capture full failing log?  In the attached log, ata1.00
> is detected successfully.
> 
> Thanks.
> 
> -- 
> tejun
> 
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