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Date: Sun, 19 Dec 2010 20:15:32 -0700 (MST)
From: Warren Block <wblock@wonkity.com>
To: Frank Shute <frank@shute.org.uk>
In-Reply-To: <20101220023205.GA75403@orange.esperance-linux.co.uk>
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Cc: Rob <spamrefuse@yahoo.com>,
	FreeBSD questions <freebsd-questions@freebsd.org>
Subject: Re: FBSD 8: custom kernel config ends boot at "mountroot>". Plz.
 help!
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On Mon, 20 Dec 2010, Frank Shute wrote:

> If you're going to use a custom kernel, copy GENERIC, edit it and save
> it as your kernel conf.
>
> Then when you run into trouble with your custom kernel you can post a
> diff(1) between it and GENERIC. Then it's easy to see what you've
> enabled/disabled, left-out etc.

Another option is to "include GENERIC" in the new config file and use 
nooptions and nodevice to exclude unwanted things.  Then the config file 
is a diff.