[syslinux] Isolinux bug: CD bootsector support broken

[Michael_E_Brown at Dell.com]

Ok. Typing manually, so any typos are mine. Looks like it is 
trying to reload itself rather than loading the bootsector.

===============================================================
ISOLINUX 3.20 3.20-pre6  Copyright (C) 1994-2005 H. Peter Anvin
isolinux: Starting up, DL = 82
isolinux: Loaded spec packet OK, drive = 82
isolinux: Loading main image from LBA = 00000022
isolinux: Sectors to load = 0005
isolinux: Loaded boot image, verifying...
isolinux: Main image read, jumping to main code...
isolinux: Root directory at LBA = 00000019
isolinux: isolinux directory at LBA = 0000001E
isolinux: About to load config file...
isolinux: Configuration file opened...
boot:
.

ISOLINUX 3.20 3.20-pre6  Copyright (C) 1994-2005 H. Peter Anvin
isolinux: Starting up, DL = 82
isolinux: Loaded spec packet OK, drive = 82
isolinux: Loading main image from LBA = 00000022
isolinux: Sectors to load = 0005
isolinux: Loaded boot image, verifying...
isolinux: Image checksum error, sorry...

Boot failed: press a key to retry...
===============================================================

Random additional comment:
	I would have thought that you could use this feature to 
chainload isolinux from isolinux, but after trying this, it doesn't
work. The new version fails. (I thought it might save time to burn
an image with 3.02 and have chainload menus for every intermediate
version to check, rather than having to reburn my cdrw with every 
new version.

--
Michael


-----Original Message-----
From: H. Peter Anvin [mailto:hpa at zytor.com] 
Sent: Tuesday, February 07, 2006 6:14 PM
To: Brown, Michael E
Cc: gmurali at cs.uchicago.edu; syslinux at zytor.com
Subject: Re: [syslinux] Isolinux bug: CD bootsector support broken

Michael_E_Brown at Dell.com wrote:
> Murali,
> 	It fails even before it hands off to the windows bootsector, so
I 
> believe this is an isolinux bug. I reproduced the same issue with 
> winxp boot sectors. (from the wxp10.zip, mentioned below)
> 
> 	Yes, I did use "-N" option to mkisofs. 

Could you run it with isolinux-debug.bin and record any output you get?

	-hpa