linux-kernel - Re: [git patches] libata fixes

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Message-ID: <45FC493D.1060006@gmail.com>
Date:	Sun, 18 Mar 2007 05:02:05 +0900
From:	Tejun Heo <htejun@...il.com>
To:	rol@...917.net
CC:	'Linus Torvalds' <torvalds@...ux-foundation.org>,
	'Jeff Garzik' <jeff@...zik.org>, 'Alan Cox' <alan@...hat.com>,
	'Andrew Morton' <akpm@...ux-foundation.org>,
	linux-ide@...r.kernel.org, 'LKML' <linux-kernel@...r.kernel.org>,
	"'Eric D. Mudama'" <edmudama@...il.com>
Subject: Re: [git patches] libata fixes

Paul Rolland wrote:
>> If you leave it alone, does libata turn off NCQ and boot continues?
> 
> boot continues, but I can't tell anything about libata turning of NCQ...
> I've had a bunch of them at some while while compiling some kernel, so it
> was quite some time after booting.
> 
> Is there a message I can check for that would indicate NCQ being turned
> off ?

The kernel says that NCQ is turned off due to excessive errors.  If your
HSM violation is intermittent, it might not trigger tho.

-- 
tejun
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