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

From: Marcin Slusarz
Date: Sun Nov 09 2008 - 05:53:43 EST


On Sun, Nov 09, 2008 at 09:56:49AM +0100, Lukas Hejtmanek wrote:
> On Sat, Nov 08, 2008 at 08:55:32PM -0800, Arjan van de Ven wrote:
> > 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
>
> # CONFIG_MD is not set
>
> I do not have MD at all.
>
> Moreover, I discovered that I have to hit a keyboard several times during the
> boot to boot up.
>
> The delay depends on keyboard hit. If I do not touch the keyboard, it waits
> forever.. Looks like something needs an interrupt..

Do you have NO_HZ enabled?
(Cc'ing Thomas)
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