Bug#958894: grub-efi-amd64-bin: Secure Boot forbids loading? module from .../multiboot.mod

[Fabian Greffrath]

>> However, the game won't boot anyway. Just the clean GRUB background is
>> displayed and nothing else happens. Any idea why?

Actually, this may be part of the problem! The game is supposed to run 
in plain text mode (80x25) which is apparently not active as long as the 
GRUB background is still shown. Is there a way to force GRUB to switch 
back to plain text mode before loading the game kernel?

  - Fabian