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From: Bruce Evans <bde@zeta.org.au>
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To: msmith@atrad.adelaide.edu.au, phk@critter.tfs.com
Subject: Re: X for install
Cc: bde@zeta.org.au, freebsd-hackers@FreeBSD.ORG, jkh@time.cdrom.com,
        obrien@cs.ucdavis.edu
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>> The problem is not the general case, it's the worst case.  I guess the
>> question is whether the worst case is worth worrying about... 8)

>No, I doubt that.  I expect the above loop to finish in < 3 sectors
>in 99.999% of the cases where it matters.
>(if the bios reports same geometry for two disks, then we don't care
>if they are identical, since it will not confuse us.  We just need
>a signature for each bios-geometry :-)

We need a unique signature for converting the BIOS boot drive number to
the FreeBSD root drive name.

Bruce