FreeBSD 12.1-RELEASE DVD boots on Thinkpads, 12.2-RELEASE DVD does not

[Teran McKinney]

Hey everyone,

I was wondering if you had any thoughts on my bug report:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=250999

12.1 ISO boots as DVD or a USB flash drive on my Thinkpads and my
Dell T5400 desktop.

12.2 ISO boots as USB flash drive on my Thinkpads and my Dell T5400
desktop. The desktop can boot it as a DVD as well. However, the
Thinkpads cannot boot it fully, and get that Lua bootloader error.

A bug report was mentioned in the ticket, mostly in Russian, with
a similar problem and some commits referenced.

Do you have any suggestions on how I might be able to track this
down?

Thank you,

Teran