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Re: MSDOS vs diskabel regression in -4, -5 and -current
On Fri, Feb 06, 2009 at 03:49:46PM +0000, Stephen Borrill wrote:
> I've been asked to try to get an Olympus camera working again after an
> upgrade to NetBSD 4.0_STABLE. On NetBSD 3.1, the fictitious disklabel
> correctly has an MSDOS partition as partition e (and thus can be easily
> mounted with mount_msdos /dev/sd0e /mnt). On NetBSD 4.0 and later, the
> fdisk partition table appears subtly different and no MSDOS partition is
> seen in disklabel; rather there is a 4.2BSD partition as partition a.
> sd0: fabricating a geometry
> sd0: mbr partition exceeds disk size
I suspect this is the cause of the problem.
The code is validating the mbr data against the reported media size,
detecting that it is invalid so ignoring the mbr.
David Laight: david%l8s.co.uk@localhost
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