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From: Christoph Kukulies <kuku@gilberto.physik.rwth-aachen.de>
Message-Id: <199608240948.LAA29528@gilberto.physik.rwth-aachen.de>
Subject: Re: Booting from sd0 when wd0 is also present
In-Reply-To: <199608232316.BAA24325@insanus.matematik.su.se> from Torbjorn Granlund at "Aug 24, 96 01:16:27 am"
To: tege@matematik.su.se (Torbjorn Granlund)
Date: Sat, 24 Aug 1996 11:48:37 +0200 (MET DST)
Cc: freebsd-questions@freebsd.org
Reply-To: Christoph Kukulies <kuku@gilberto.physik.rwth-aachen.de>
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[ moved to -questions]

> I got a cheap IDE drive for use as a DOS/Windoze disk.
> Thus, I can use the entire SCSI disk for FreeBSD.
> 
> Unfortunately, this makes autoboot fail, with a message that reads something
> like "Unable to change root to sd1".  The SCSI drive is, of course, sd0.
> But it seems that the FreeBSD boot loader incorrectly counts wd0 as if it
> were the first SCSI device in this case.
> 
> To me, this seems like a bug.  But maybe it is a feature...?  Is there a
> workaround (less get a dummy SCSI disk with a lower SCSI id :-) ?

I cannot comment whether this is a bug or not. Maybe a flaw.
Try to build a kernel with root on sd1 and see if that works. The same
may apply for the swap device.

> 
> I can get things to work in the way indicated by the text early in the boot
> process, but such a manual boot method is not acceptable in the long run.
> 
> I am using FreeBSD 2.1 and am now moving to 2.1.5.
> 
> Torbjorn
> 

--Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de