[syslinux] Isolinux bug: CD bootsector support broken

Murali Krishnan Ganapathy gmurali at cs.uchicago.edu
Tue Feb 7 14:55:50 PST 2006


I suppose you asked mkisofs to not use version numbers in the file 
names. Also, do bootsectors of Win2K and WinXP work? Just curious if it 
is an artifact of Win2K3/longhorn boot sector.

- Murali

Michael_E_Brown at Dell.com wrote:
> HPA,
> 	I believe that support to boot windows CD bootsectors was broken
> in 3.05. I have tested 2.13, 3.00, 3.02, 3.05, 3.06, 3.08, 3.11, and
> 3.20pre6. All versions >= 3.05 are broken. All versions <= 3.02 work
> fine with the same config. The error message I get is:
>
> ================================================================
> IOSLINUX 3.20 3.20-pre6   Copyright (C) 1994-2005 H. Peter Anvin
> boot:
> .
>
> ISOLINUX 3.20 3.20-pre6 isolinux: Image checksum error, sorry...
>
> Boot failed: press a key to retry...
> ================================================================
>
> 	I looked in the various testing/ dirs to try to locate a -preX
> for 3.05 to narrow down the exact version where it broke, but I was
> unable to locate -preX releases for 3.05. I read the isolinux.doc and
> NEWS to try to determine if the options have changed, but did not see
> anything relevant. I read I tried to search the mailing list for similar
> problems, but did not see anything similar.
>
> 	The CD is laid out like below. I have tried both longhorn and
> w2003 CD bootsectors. The results are the same.
>
> 	I would be willing to try any betas to fix this, but it should
> be easily reproducable. You can download the wxp10.zip from the BartPE
> website to get the boot sector.
>
> Thanks,
> Michael Brown
>
>
> [michael_e_brown at radon isolinuxpe]$ find .
> .
> ./BOOTMGR
> ./BOOT.INI
> ./isolinux
> ./isolinux/isolinux.cfg
> ./isolinux/isolinux.bin
> ./isolinux/lhpe32.bin		<--- longhorn CD bootsector
> ./build-cd.sh
> ./BOOT
> ./BOOT/BOOT.SDI
> ./BOOT/BOOT.WIM
>
> [michael_e_brown at radon isolinuxpe]$ cat isolinux/isolinux.cfg
> default winpe
>
> label winpe
>   kernel lhpe32.bin
>
> default winpe
> prompt 1
> timeout 100
>
> [michael_e_brown at radon isolinuxpe]$
>
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