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odd cdrecord error

Hello all,

I'm having an odd problem with cdrecord and a Knoppix iso.  Here's the 
output (sorry about the bad wrap):

steve@gashuffer:~$ cdrecord -v -eject speed=4 -isosize dev=0,3,0 /home/steve/KNOPPIX_V3.1-2002-12-11-EN.iso
Cdrecord 1.11a34 (i686-pc-linux-gnu) Copyright (C) 1995-2002 Jörg Schilling
TOC Type: 1 = CD-ROM
scsidev: '0,3,0'
scsibus: 0 target: 3 lun: 0
Linux sg driver version: 3.1.24
Using libscg version 'schily-0.6'
atapi: 0
Device type    : Removable CD-ROM
Version        : 2
Response Format: 2
Capabilities   : SYNC 
Vendor_info    : 'YAMAHA  '
Identifikation : 'CRW8424S        '
Revision       : '1.0d'
Device seems to be: Generic mmc CD-RW.
Using generic SCSI-3/mmc CD-R driver (mmc_cdr).
Driver flags   : MMC SWABAUDIO 
Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R RAW/R96R
FIFO size      : 4194304 = 4096 KB
Track 01: data   700 MB         padsize:   30 KB
Total size:      804 MB (79:39.32) = 358449 sectors
Lout start:      804 MB (79:41/24) = 358449 sectors
Current Secsize: 2048
ATIP info from disk:
  Indicated writing power: 6
  Is not unrestricted
  Is not erasable
  ATIP start of lead in:  -11426 (97:29/49)
  ATIP start of lead out: 333600 (74:10/00)
Disk type:    Short strategy type (Phthalocyanine or similar)
Manuf. index: 58
Blocks total: 333600 Blocks current: 333600 Blocks remaining: -24849
cdrecord: WARNING: Data may not fit on current disk.
cdrecord: Notice: Use -overburn option to write more than the official disk capacity.
cdrecord: Notice: Most CD-writers do overburning only on DAO mode

Note that first it says the image is 700MB, and then it says it needs
804MB to burn it.  WTF?  I'm using the -isosize option because it failed
without it, and the manpage seemed to imply that while it pads, it pads
less than the -pad option.

Anybody help debug this?
|  Stephen Gran                  | All articles that coruscate with        |
|  steve@lobefin.net             | resplendence are not truly auriferous.  |
|  http://www.lobefin.net/~steve |                                         |

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