Date: Tue, 25 May 1999 12:26:33 +0100 From: Brian Somers <brian@Awfulhak.org> To: Bruce Evans <bde@zeta.org.au> Cc: brian@Awfulhak.org, brian@FreeBSD.org, cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org Subject: Re: cvs commit: src/sys/i386/boot/biosboot table.c Message-ID: <199905251126.MAA01355@keep.lan.Awfulhak.org> In-Reply-To: Your message of "Tue, 25 May 1999 20:50:39 %2B1000." <199905251050.UAA18301@godzilla.zeta.org.au>
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> >I've backed out the change.
> >
> >Would adding a ``case 5: maj = 30;'' in sys.c and tacking "ad" on to
> >the end of the list in table.c be better ?
>
> That would cause bad accesses to devs[30]. devs[] could be enlarged
> at a cost of some space.
>
> My version passes the typed-in device name to the kernel and the kernel
> ignores the boot blocks' guess of the major if it can make sense of
> the name. I might finish this if anyone still uses the old boot blocks.
> It doesn't work right for "ad", because ad_cdevsw lies about the driver
> name -- it claims to be "wd" for compatibility, so lookups of "ad" fail.
> This also breaks the lookups for -r and -a -- you have to misspecify
> "ad" as "wd" and not configure the real "wd" so that there is no conflict.
It looks like this stuff should wait 'till Søren's happy with `ad'
and `wd' goes away.
As it happens, I think my real problem (when I removed ``root on''
from my kernel config, I couldn't boot any more) was just the lack of
a ``disklabel -B''. I did the change to table.c and wrongly thought
that it had fixed the problem ;-(
> Bruce
Cheers.
--
Brian <brian@Awfulhak.org> <brian@FreeBSD.org>
<http://www.Awfulhak.org>; <brian@OpenBSD.org>
Don't _EVER_ lose your sense of humour ! <brian@uk.FreeBSD.org>
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