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

From: Yoshito Komatsu <ykomatsu@akaumigame.org>
To: gnats-bugs@NetBSD.org, david@l8s.co.uk
Cc: 
Subject: Re: bin/33633: /sbin/fdisk does not work
Date: Sat, 03 Jun 2006 08:56:54 +0900

 David Laight wrote:
 >  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.
 
 Thank you for replying.
 
 # hexdump -C -n 512 /dev/rwd0d
 00000000  eb 48 90 d0 bc 00 7c 8e  c0 8e d8 89 e6 bf 00 06  |.H....|.........|
 00000010  b9 00 01 f3 a5 b9 00 02  f3 ab ea 1f 06 00 00 80  |................|
 00000020  fa 8f 7e 02 b2 80 52 52  be 1f 07 e8 4a 01 bb 94  |..~...RR....J...|
 00000030  07 8d af 2a 00 8a 46 04  84 c0 74 0a 80 7e 03 02  |...*..F...t..~..|
 00000040  80 00 00 20 01 00 00 00  00 02 fa 90 90 f6 c2 80  |... ............|
 00000050  75 02 b2 80 ea 59 7c 00  00 31 c0 8e d8 8e d0 bc  |u....Y|..1......|
 00000060  00 20 fb a0 40 7c 3c ff  74 02 88 c2 52 be 7f 7d  |. ..@|<.t...R..}|
 00000070  e8 34 01 f6 c2 80 74 54  b4 41 bb aa 55 cd 13 5a  |.4....tT.A..U..Z|
 00000080  52 72 49 81 fb 55 aa 75  43 a0 41 7c 84 c0 75 05  |RrI..U.uC.A|..u.|
 00000090  83 e1 01 74 37 66 8b 4c  10 be 05 7c c6 44 ff 01  |...t7f.L...|.D..|
 000000a0  66 8b 1e 44 7c c7 04 10  00 c7 44 02 01 00 66 89  |f..D|.....D...f.|
 000000b0  5c 08 c7 44 06 00 70 66  31 c0 89 44 04 66 89 44  |\..D..pf1..D.f.D|
 000000c0  0c b4 42 cd 13 72 05 bb  00 70 eb 7d b4 08 cd 13  |..B..r...p.}....|
 000000d0  73 0a f6 c2 80 0f 84 ea  00 e9 8d 00 be 05 7c c6  |s.............|.|
 000000e0  44 ff 00 66 31 c0 88 f0  40 66 89 44 04 31 d2 88  |D..f1...@f.D.1..|
 000000f0  ca c1 e2 02 88 e8 88 f4  40 89 44 08 31 c0 88 d0  |........@.D.1...|
 00000100  c0 e8 02 66 89 04 66 a1  44 7c 66 31 d2 66 f7 34  |...f..f.D|f1.f.4|
 00000110  88 54 0a 66 31 d2 66 f7  74 04 88 54 0b 89 44 0c  |.T.f1.f.t..T..D.|
 00000120  3b 44 08 7d 3c 8a 54 0d  c0 e2 06 8a 4c 0a fe c1  |;D.}<.T.....L...|
 00000130  08 d1 8a 6c 0c 5a 8a 74  0b bb 00 70 8e c3 31 db  |...l.Z.t...p..1.|
 00000140  b8 01 02 cd 13 72 2a 8c  c3 8e 06 48 7c 60 1e b9  |.....r*....H|`..|
 00000150  00 01 8e db 31 f6 31 ff  fc f3 a5 1f 61 ff 26 42  |....1.1.....a.&B|
 00000160  7c be 85 7d e8 40 00 eb  0e be 8a 7d e8 38 00 eb  ||..}.@.....}.8..|
 00000170  06 be 94 7d e8 30 00 be  99 7d e8 2a 00 eb fe 47  |...}.0...}.*...G|
 00000180  52 55 42 20 00 47 65 6f  6d 00 48 61 72 64 20 44  |RUB .Geom.Hard D|
 00000190  69 73 6b 00 52 65 61 64  00 20 45 72 72 6f 72 00  |isk.Read. Error.|
 000001a0  bb 01 00 b4 0e cd 10 ac  3c 00 75 f4 c3 00 00 00  |........<.u.....|
 000001b0  00 00 00 00 00 00 00 00  00 00 00 00 e1 b5 80 01  |................|
 000001c0  01 00 a9 b2 ff ff 3f 00  00 00 41 63 38 1d 00 00  |......?...Ac8...|
 000001d0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
 *
 000001f0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 55 aa  |..............U.|
 00000200