[syslinux] isolinux 2.0+ won't boot from DVD

[Taylor, ForrestX]

H. Peter Anvin wrote:
> Taylor, ForrestX wrote:
> 
>>The kernels are in the isolinux directory (vmlinuz, vmlinuz80,
>>vmlinuz73).  I have isolinux.cfg setup to boot from these kernels.
>>
>>Maybe it is not the size, but something else.  I just tried a 1.7GB iso
>>image that only had the isolinux directory and some large files.  The
>>large files I created with `dd if=/dev/zero bs=2k count=500000
>>of=i386/zero`.  That booted just fine.  I am in the process of creating
>>a 4GB image same way to see if it boots.
>>
> 
> 
> Yes, but it's really hard to even guess the problems without access to
> the hardware.  31/32-bit wraparound was the obvious candidate.
> 
> 	-hpa

The build hardware or the boot-from-DVD hardware?  Did something change 
from 1.75 to 2.00 with regards to the 31/32-bit wraparound? 
isolinux-1.75 has worked in all cases.

Forrest
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