The following reply was made to PR bin/33633; it has been noted by GNATS.

From: David Laight <david@l8s.co.uk>
To: gnats-bugs@NetBSD.org
Cc: 
Subject: Re: bin/33633: /sbin/fdisk does not work
Date: Fri, 2 Jun 2006 20:42:32 +0100

 On Fri, Jun 02, 2006 at 04:55:00PM +0000, ykomatsu@akaumigame.org wrote:
 > >Number:         33633
 > >Category:       bin
 > >Synopsis:       /sbin/fdisk does not work
 ...
 > 	# fdisk wd0
 > 	fdisk: removing corrupt bootsel information
 > 	fdisk: Cannot determine the number of heads
 > 
 > 	fdisk failed in sanity check (xheads == -1),
 
 Can you send the output of 'hexdump -C -n 512 /dev/rwd0d' (or equiv).
 
 I suspect this only happens on XEN (or rather non i386/amd64) where
 we don't get any geometry info from the BIOS - so try to calculate
 it by solving the simultanious eqns based on the mbr entries.
 
 	David
 
 -- 
 David Laight: david@l8s.co.uk