linux-kernel - Re: SATA exceptions triggered by XFS (since 2.6.18)

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Date:	Mon, 22 Jan 2007 18:35:05 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Paolo Ornati <ornati@...twebnet.it>
CC:	Robert Hancock <hancockr@...w.ca>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Björn Steinbrink <B.Steinbrink@....de>,
	Jens Axboe <jens.axboe@...cle.com>,
	Jeff Garzik <jeff@...zik.org>
Subject: Re: SATA exceptions triggered by XFS (since 2.6.18)

Paolo Ornati wrote:
>>> === START OF INFORMATION SECTION ===
>>> Model Family:     Seagate Barracuda 7200.7 and 7200.7 Plus family
>>> Device Model:     ST380817AS
>> I'll blacklist it.  Thanks.
> 
> Ok. It will be better if someone else with the same HD could confirm.
> 
> It looks so strange that an HD that works fine, and should support NCQ,
> have so big troubles that I can "freeze" it in less than a second by
> using XFS (while with ext3 I cannot, or at least it's very hard).

Yeap, certainly.  I'll ask people first before actually proceeding with 
the blacklisting.  I'm just getting a bit tired of tides of NCQ firmware 
problems.

Anyways, for the time being, you can easily turn off NCQ using sysfs. 
Please take a look at http://linux-ata.org/faq.html

-- 
tejun
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