Date: Sat, 8 Nov 2008 20:55:32 -0800
From: Arjan van de Ven <arjan@infradead.org>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Lukas Hejtmanek <xhejtman@ics.muni.cz>, linux-kernel@vger.kernel.org
Subject: Re: Bootup time regression from 2.6.27 to 2.6.28-rc3+
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In-Reply-To: <200811090106.04579.rjw@sisk.pl>
References: <20081104173300.GF6134@ics.muni.cz>
	<200811090106.04579.rjw@sisk.pl>
Organization: Intel
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On Sun, 9 Nov 2008 01:06:04 +0100
"Rafael J. Wysocki" <rjw@sisk.pl> wrote:

> On Tuesday, 4 of November 2008, Lukas Hejtmanek wrote:
> > Hello Rafael,
> 
> Hi,
> 
> > not sure whether this is already reported or not. However, in
> > 2.6.28-rc3 I discovered about 10 secs delay before mounting the
> > root fs and running init (not sure whether the delay is caused by
> > mount or init). It did not appear in 2.6.27. I did not try any
> > previous 2.6.28-rcX.
> 


do you have RAID autoprobing enabled ?
raid autoprobing requires that all devices have been discovered,
to avoid getting partial RAID arrays and other nasty things...

it's CONFIG_MD_AUTODETECT


-- 
Arjan van de Ven 	Intel Open Source Technology Centre
For development, discussion and tips for power savings, 
visit http://www.lesswatts.org
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