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

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Message-ID: <534170.5709.qm@web32603.mail.mud.yahoo.com>
Date:	Wed, 29 Apr 2009 10:45:15 -0700 (PDT)
From:	Martin Knoblauch <knobi@...bisoft.de>
To:	Valdis.Kletnieks@...edu
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


----- Original Message ----

> From: "Valdis.Kletnieks@...edu" <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>
> Sent: Wednesday, April 29, 2009 7:35:59 PM
> 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.

 OK, you got me. But still something changed with 2.6.29. Before, there was only one line in /proc/mounts

Cheers
Martin

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