Date: Tue, 11 Feb 1997 13:05:47 +1100 From: Bruce Evans <bde@zeta.org.au> To: mdavis@io.cts.com, stable@freebsd.org Subject: Re: wd drive size detect Message-ID: <199702110205.NAA29989@godzilla.zeta.org.au>
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>For some time now, I've had this appear during startup (and continue >to even with 2.1.7-stable). > >wdc0 at 0x1f0-0x1f7 irq 14 on isa >wdc0: unit 0 (wd0): <> ^name of drive is unknown too >wd0: size unknown, using BIOS values >wd0: 406MB (832608 sectors), 826 cyls, 16 heads, 63 S/T, 512 B/S >wdc0: unit 1 (wd1): <> >wd1: size unknown, using BIOS values >wd1: 406MB (832608 sectors), 826 cyls, 16 heads, 63 S/T, 512 B/S > >What causes this, is it just a disklabel issue, and how would one >correct this? This is caused by the drive being old (6+ years) or broken. All standard IDE and EIDE drives report their name and size. The label has nothing to do with this message. Support for overriding the size claimed by the drive has been disabled and/or broken for a year or two. Falling back to the size claimed by the BIOS works in most cases, apparently including yours (it fails when the drive is unknown to the BIOS and when its number is different from the BIOS number). No fixes are known (except to buy a new drive, which will also fix the smallness and slowness of the old drive :-). Bruce
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