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From: Tejun Heo <htejun@gmail.com>
To: Andrew Lyon <andrew.lyon@gmail.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
	Robert Hancock <hancockr@shaw.ca>, Jeff Garzik <jeff@garzik.org>,
	IDE/ATA development list <linux-ide@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Xen-devel <xen-devel@lists.xensource.com>,
	Gerd Hoffmann <kraxel@redhat.com>
Subject: Re: Help interpreting AHCI failure messages
Date: Mon, 22 Dec 2008 18:54:57 +0900	[thread overview]
Message-ID: <494F63F1.3020207@gmail.com> (raw)
In-Reply-To: <f4527be0812220117v6fcc72c6v8012247ec443f636@mail.gmail.com>

Hello,

Andrew Lyon 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?
> 
> I have already tried using a kernel with pata_acpi disabled, it does not help.

There's a BUG messages in the log and several IRQ enable/disable
messages && once timeout happens on one of the ata port, the other one
begins to time out too.  I'm out of ideas and think this really needs
a look from someone who knows xen.  It doesn't seem to be a libata
problem at this point.

Thanks.

-- 
tejun

  reply	other threads:[~2008-12-22  9:55 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-12 21:23 Help interpreting AHCI failure messages Jeremy Fitzhardinge
2008-12-13  3:52 ` Robert Hancock
     [not found]   ` <49434EC9.4070408@goop.org>
     [not found]     ` <49446DD0.3030600@gmail.com>
2008-12-19 16:30       ` Jeremy Fitzhardinge
2008-12-22  4:05         ` Tejun Heo
2008-12-22  9:17           ` Andrew Lyon
2008-12-22  9:54             ` Tejun Heo [this message]
2008-12-22 18:52               ` Andrew Lyon

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