linux-kernel - Re: Help interpreting AHCI failure messages

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Message-ID: <494F11FD.1040606@gmail.com>
Date:	Mon, 22 Dec 2008 13:05:17 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
CC:	Robert Hancock <hancockr@...w.ca>, Jeff Garzik <jeff@...zik.org>,
	IDE/ATA development list <linux-ide@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Xen-devel <xen-devel@...ts.xensource.com>,
	Gerd Hoffmann <kraxel@...hat.com>
Subject: Re: Help interpreting AHCI failure messages

Hello,

Jeremy Fitzhardinge wrote:
>>> Furthermore, ata2 - which is sharing the same interrupt - seems to have
>>> managed to read the DVD drive's information, so something must be
>>> working.  But why is it failing for the disk?
>>
>> Can you try irqpoll on it?
> 
> Here's a log of a run where everything works initially, but then it
> starts to fail (about half way into the log).  ATA_DEBUG is enabled, so
> its pretty verbose.
> 
> http://kraxel.fedorapeople.org/for-jeremy/xeni.log
> 
> Does anything stand out?

Can you please exclude pata_acpi from the initrd and see whether
anything changes?

-- 
tejun
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