From owner-cvs-all  Fri Oct 25 10:24: 0 2002
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Date: Sat, 26 Oct 2002 03:33:52 +1000 (EST)
From: Bruce Evans <bde@zeta.org.au>
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To: Dag-Erling Smorgrav <des@ofug.org>
Cc: Mark Valentine <mark@thuvia.demon.co.uk>,
	John Baldwin <jhb@freebsd.org>,
	Poul-Henning Kamp <phk@critter.freebsd.dk>, <cvs-all@freebsd.org>,
	<cvs-committers@freebsd.org>,
	Takahashi Yoshihiro <nyan@jp.FreeBSD.org>,
	Bakul Shah <bakul@bitblocks.com>
Subject: Re: cvs commit: src/lib/libdisk Makefile chunk.c write_alpha_dis
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On Fri, 25 Oct 2002, Dag-Erling Smorgrav wrote:

> Mark Valentine <mark@thuvia.demon.co.uk> writes:
> > The MBR partitioning is a feature of the MBR boot code, not of the BIOS.
>
> Wrong.  Plenty of recent-issue BIOSen (particularly on laptops) go
> down in flames if the MBR does not contain a valid partition table.

Wrong yourself.  Mark unfortunately understands how MBRs are supposed to
work.  It is a layering violating for the BIOS to look in the private
parts of the bootstrap code for another subsystem.

Bruce


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