linux-kernel - Re: Bootup time regression from 2.6.27 to 2.6.28-rc3+

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Message-ID: <20081108205532.7952fec6@infradead.org>
Date:	Sat, 8 Nov 2008 20:55:32 -0800
From:	Arjan van de Ven <arjan@...radead.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Lukas Hejtmanek <xhejtman@....muni.cz>,
	linux-kernel@...r.kernel.org
Subject: Re: Bootup time regression from 2.6.27 to 2.6.28-rc3+

On Sun, 9 Nov 2008 01:06:04 +0100
"Rafael J. Wysocki" <rjw@...k.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, 
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