From owner-freebsd-questions  Wed Apr 16 17:29:41 1997
Return-Path: <owner-questions>
Received: (from root@localhost)
          by freefall.freebsd.org (8.8.5/8.8.5) id RAA15902
          for questions-outgoing; Wed, 16 Apr 1997 17:29:41 -0700 (PDT)
Received: from white.dogwood.com (dave@white.dogwood.com [140.174.96.1])
          by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id RAA15879
          for <questions@freebsd.org>; Wed, 16 Apr 1997 17:29:37 -0700 (PDT)
Received: (from dave@localhost)
	by white.dogwood.com (8.8.5/8.8.5) id RAA07125;
	Wed, 16 Apr 1997 17:29:25 -0700 (PDT)
From: Dave Cornejo <dave@dogwood.com>
Message-Id: <199704170029.RAA07125@white.dogwood.com>
Subject: Re: odd booting problem
In-Reply-To: <Pine.BSF.3.96.970416171551.12317M-100000@localhost> from Doug White at "Apr 16, 97 05:16:34 pm"
To: dwhite@resnet.uoregon.edu
Date: Wed, 16 Apr 1997 17:29:25 -0700 (PDT)
Cc: questions@freebsd.org
X-Mailer: ELM [version 2.4ME+ PL31 (25)]
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Sender: owner-questions@freebsd.org
X-Loop: FreeBSD.org
Precedence: bulk

Doug White wrote:
> On Mon, 14 Apr 1997, Dave Cornejo wrote:
> 
> > The system is running 2.2-STABLE (RELENG_2_2 tag from April 11)
> > 
> > I was moving my system from an IDE drive to a SCSI drive.  I dumped
> > the IDE drive and moved everything over to the SCSI.  I removed the
> > IDE drive from the system and rebooted - the kernel boots except that
> > the bootstrap (?) code claims it's booting "0:wd0(0,a)kernel"
> > (something like that at least).  When it goes to mount the root device
> > it hangs.  If I put the IDE drive back it seems to boot off the SCSI
> > drive but mounts the IDE drive.
> > 
> > Does anyone have any helpful clues on how to get it to boot entirely
> > off the SCSI drives?
> 
> Did you disable the IDE controller on the motherboard? Even tho it doesn't
> have anything connected to it, it can cause odd booting problems.
> 
> BTW, you can boot up by typing sd(0,a)/kernel and it will mount fine.

I got this solved :-)

Turns out I had managed to create a disk label without a type in it.
Booting sd(0,a)/kernel won't get around this, compiling a kernel that
boots only from sd0 won't solve this.

See README.386BSD in /sys/i386/boot/biosboot


-- 
Dave Cornejo - Dogwood Media, Fremont, California