From owner-cvs-all  Fri Oct 25 10:40:58 2002
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To: Bruce Evans <bde@zeta.org.au>
Cc: Dag-Erling Smorgrav <des@ofug.org>,
	Mark Valentine <mark@thuvia.demon.co.uk>,
	John Baldwin <jhb@FreeBSD.org>, 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 
In-Reply-To: Your message of "Sat, 26 Oct 2002 03:33:52 +1000."
             <20021026032104.P4681-100000@gamplex.bde.org> 
Date: Fri, 25 Oct 2002 19:39:26 +0200
Message-ID: <21117.1035567566@critter.freebsd.dk>
From: Poul-Henning Kamp <phk@critter.freebsd.dk>
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In message <20021026032104.P4681-100000@gamplex.bde.org>, Bruce Evans writes:
>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.

It may well be a layering violation, but it is out of our control.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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