linux-kernel - Re: Kernel 2.6.20 takes a long time to load

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Date:	Sun, 25 Mar 2007 15:18:45 -0400
From:	Dave Jones <davej@...hat.com>
To:	Helmut Auer <vdr@...mutauer.de>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Kernel 2.6.20 takes a long time to load

On Sun, Mar 25, 2007 at 02:22:08PM +0200, Helmut Auer wrote:
 > Hello List,
 > 
 > The kernel 2.6.20 makes a long delay during booting ( about 15 seconds ) after showing:
 > 
 > NET: Registered protocol family 2
 > 
 > then it goes along with:
 > 
 > IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
 > TCP established hash table entries: 8192 (order: 4, 98304 bytes)
 > ...
 > 
 > I am using the kernel parameter lpj to avoid calculating processor speed during kernel load.
 > If I do not use the lpj parameter, the detection of cpu speed takes about 10 seconds, but then 
 > there is no delay after:
 > NET: Registered protocol family 2
 > 
 > Any hints what I can try to get a fast booting kernel ?
 > I am using 2.6.20 with some gentoo patches ( plain 2.6.20-4 has the same problem ).

booting with initcall_debug will tell you the last thing it initialised before
the pause, which may give some clues.  Alternatively, git bisect ?

	Dave

-- 
http://www.codemonkey.org.uk
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