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Date:      Sun, 6 Dec 2009 07:35:40 +0100
From:      Alex de Kruijff <freebsd@akruijff.dds.nl>
To:        freebsd-questions@freebsd.org
Subject:   [8.0] GEOM: ad0: geometry does not match label (225h, 63s != 16h63s) 
Message-ID:  <20091206063540.GA1562@Alex1.lan>

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Hi,

Way back it was very hard to install FreeBSD on this computer, do to
sysinstall tendency to keep changing the hard disk settings. Since then
I've bin very reluctant to reinstall FreeBSD. Upgrading FreeBSD was
easy, until now. The FreeBSD 8.0 kernel says and refuces to boot.

GEOM: ad0: geometry does not match label (225h,63s != 16h63s)

Sysinstall (with 7.2) says: A geometry of 484521/16/63 for ad0 is
incorrect. Using a more likely geometry.

The next screen says: DISK Geometry:  30401 cyls/255 heads/63 sectors =
488392065 sectors (238472MB)

> fdisk
******* Working on device /dev/ad0 *******
parameters extracted from in-core disklabel are:
cylinders=484521 heads=16 sectors/track=63 (1008 blks/cyl)

Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=484521 heads=16 sectors/track=63 (1008 blks/cyl)

-- 
Alex

Please copy the original recipients, otherwise I may not read your reply.




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