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

[Taylor, ForrestX]

H. Peter Anvin wrote:
> Taylor, ForrestX wrote:
>  >
>  > Jun 19 15:22:38 test-box kernel: udf: registering filesystem
>  > Jun 19 15:22:38 test-box kernel: UDF-fs: No VRS found
>  >
>  > and this from mount:
>  >
>  > /dev/cdrom on /mnt/cdrom type iso9660 (ro,nosuid,nodev)
>  >
>  > However, on Red Hat Linux 7.2 (the machine with the DVD-RW), I get this:
>  >
>  > Jun 19 16:23:47 test-box2 kernel: ISO 9660 Extensions: Microsoft Joliet
>  > Level 3
>  > Jun 19 16:23:49 test-box2 kernel: ISO 9660 Extensions: RRIP_1991A
>  >
>  > /dev/cdrom on /mnt/cdrom type iso9660 (ro,nosuid,nodev)
>  >
>  > ...but the DVD doesn't boot from this machine either.
>  >
> 
> Of no relevance.
> 
>  > Any other suggestions?  I may just have to chalk this up to strange
>  > BIOSes and revert to isolinux-1.75.
> 
> I guess you can try to trap INT 13h and figure out where the two
> versions diverge.  I can't help you any more without access to the 
> hardware.

How do I trap INT 13h?

Thanks,

Forrest
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