Re: MSDOS vs diskabel regression in -4, -5 and -current

[David Laight <david%l8s.co.uk@localhost>]

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

-- 
David Laight: david%l8s.co.uk@localhost