Custom cdrom for 22.04

[Jerry Geis]

I am trying to make a customer cdrom for 22.04
only thing I am changing is grub.cfg for my menu and options

I use this page https://help.ubuntu.com/community/LiveCDCustomization
for the xorriso command.

I can then boot the new cdrom in virt-manager with UEFI firmware.
I can boot the new cdrom on an older intel NUC5C but it does not boot on a
newer intel NUC11C.

What do I do with that ? how do I determine what the issue is?

Thanks

Jerry
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