linux-kernel - Re: Analyzed/Solved: Booting 2.6.30-rc2-git7 very slow

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Date:	Wed, 29 Apr 2009 13:35:59 -0400
From:	Valdis.Kletnieks@...edu
To:	Martin Knoblauch <knobi@...bisoft.de>
Cc:	Al Viro <viro@...IV.linux.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mike Galbraith <efault@....de>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-kernel@...r.kernel.org,
	tigran aivazian <tigran@...azian.fsnet.co.uk>
Subject: Re: Analyzed/Solved: Booting 2.6.30-rc2-git7 very slow

On Wed, 29 Apr 2009 10:24:20 PDT, Martin Knoblauch said:

>  One definitely comes from /etc/fstab, but I am not aware of any other script
 mounting sysfs in my userspace.

You said it was a RedHat box?

Look in /etc/rc.sysinit:

        mount -n -t sysfs /sys /sys >/dev/null 2>&1

(Near line 28 for RHEL 4, line 23 for RHEL5, and line 21 for Fedora Rawhide)

Probably your culprit.


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