I suspect this would break Secure Boot support but it's only a guess. El 8/4/20 a las 2:23, jnqnfe@gmail.com escribió:
update: I've just tried adding --prefix=/boot/grub to the grub-mkimage command in binary_iso (which should really be done in binary_grub-pc) that generates the core_img file that becomes part of grub_eltorito, and success! So now that I know how fundamentally to fix the problems, I'll follow up soon with patches.