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To: Scot Hetzel <swhetzel@gmail.com>
In-reply-to: Your message of "Thu, 20 Jan 2005 10:12:04 CST."
             <790a9fff050120081229a3ec6a@mail.gmail.com> 
Date: Thu, 20 Jan 2005 10:01:27 -0800
From: "Kevin Oberman" <oberman@es.net>
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cc: freebsd-stable@freebsd.org
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Subject: Re: Failure on today's CVS (stable, AMD) 
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> Date: Thu, 20 Jan 2005 10:12:04 -0600
> From: Scot Hetzel <swhetzel@gmail.com>
> Sender: owner-freebsd-stable@freebsd.org
> 
> On Wed, 19 Jan 2005 16:42:29 -0500, Michael R. Wayne
> <freebsd@wayne47.com> wrote:
> > 2) More importantly, I recovered by loading /boot/kernel.old/kernel
> >   and the box is up BUT I am concerned that the NEXT time that I
> >   do "make installkernel" I'll stomp on kernel.old losing this fallback
> >   procedure.  I can certainly copy /boot/kernel.old to /boot/kernel.save
> >   but is there something else I should save?  Or is there another
> >   suggested procedure?
> > 
> When I have a bad kernel I do the following after booting the good kernel.
> 
> cd /boot
> rm -rf kernel
> cp -rp kernel.old kernel
> cp -rp kernel.old kernel.good
> 
> This way I can reboot the box without going into the loader to load kernel.old.

While this works (I've done it), "make reinstallkernel" and "make
-DMODULES_WITH_WORLD" reinstallkernel" can also be good friends.
-- 
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman@es.net			Phone: +1 510 486-8634