[Bug 279137] FreeBSD fails to boot on IBM POWER8 systems (S814, S822L, S824)

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D279137

--- Comment #13 from Calvin Buckley <[email protected]> ---
One idea I've had is it may be related to a note section/segment (the ELF
terminology is easily confusable...) in the loader executable. yaboot appea=
rs
to have an addnote program it invokes for IBM systems ex post facto (which =
is
why I didn't see the note in the executable), and grub will do so at least =
if
mkimage is invoked with the -n flag. Allegedly, Apple's OF implementation
reacts violently if it sees one, but IBM systems seem to require it [1] (bu=
t if
so, how does grub handle discs that boot on both Power Macs and IBM systems?
And I've booted grub images that I didn't explicitly make a note segment
on...).

[1]: https://marc.info/?l=3Dgrub-devel&m=3D139175051128987

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