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From: Dave Jones <davej@redhat.com>
To: Helmut Auer <vdr@helmutauer.de>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: Kernel 2.6.20 takes a long time to load
Date: Sun, 25 Mar 2007 15:18:45 -0400	[thread overview]
Message-ID: <20070325191845.GA11307@redhat.com> (raw)
In-Reply-To: <46066970.20802@helmutauer.de>

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

  reply	other threads:[~2007-03-25 19:19 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-25 12:22 Helmut Auer
2007-03-25 19:18 ` Dave Jones [this message]
2007-03-25 19:45 ` Thomas Gleixner

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