UEFI boot hang - what to test next?

Jaromír Doleček <[email protected]>
Newsgroups gmane.os.netbsd.ports.x86-64
Message-ID <CAMnsW55XkiSq0A2RcKZK9NLd03Z8MRH=8NynHOKVsbk=Pva13A@mail.gmail.com> 
Hi,

I have a test machine where I'm able to boot NetBSD in legacy mode
just fine, but the boot hangs when booted from an UEFI-enabled media
in UEFI mode.

I investigated with custom efiboot, it seems it hangs right after
efibootx64 executes the loaded kernel via startprog() in lib/exec.c.

Any ideas what I could do to debug this further?

Jaromir
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