GNU bug report logs -
#35380
disk-image fails to install efi grub
Previous Next
Reported by: rendaw <7e9wc56emjakcm <at> s.rendaw.me>
Date: Mon, 22 Apr 2019 16:07:01 UTC
Severity: normal
Found in version 0.16.0
Done: Ludovic Courtès <ludo <at> gnu.org>
Bug is archived. No further changes may be made.
Full log
View this message in rfc822 format
[Message part 1 (text/plain, inline)]
rendaw <7e9wc56emjakcm <at> s.rendaw.me> writes:
> On 5/3/19 7:17 AM, Marius Bakke wrote:
>> It would be great to have UEFI support in the <virtual-machine> record,
>> mainly for system tests, but I doubt that is what rendaw is after :-)
>
> Yeah, ideally I'd like secure boot from the flashed media but failing
> that I'd at least like to be moving closer to it (boot without having to
> enable legacy boot).
I see. Do you know what is needed to enable secure boot with grub-efi?
>> That means you can't just take an operating system hard drive from one
>> EFI system to another.
>
> I'm absolutely not an expert on UEFI, and it's likely I'm
> misinterpreting some of the more subtle points you wrote, but do you
> have more information on the NVRAM restriction? I've found a fair
> amount of references to making secure boot and UEFI capable media (USB
> and CD) around the web so I'm surprised it's not possible to make a
> portable UEFI image. Wouldn't that make it difficult to install UEFI
> bootloaders on blank systems?
To clarify: "grub-efi" will not work to make a portable UEFI
installation. For that you need "grub-mkstandalone" and place the
resulting executable in "/efi/boot/bootx64.efi" on your EFI System
Partition, like Guix does for disk images:
<https://git.savannah.gnu.org/cgit/guix.git/tree/gnu/build/vm.scm#n399>.
It would be nice to make this procedure more generally accessible.
Perhaps create a (grub-standalone-bootloader ...) procedure, similar to
(grub-efi-bootloader)? Then it can be used to create portable EFI
systems straight from your config.scm.
Would you like to give it a go?
[signature.asc (application/pgp-signature, inline)]
This bug report was last modified 6 years and 15 days ago.
Previous Next
GNU bug tracking system
Copyright (C) 1999 Darren O. Benham,
1997,2003 nCipher Corporation Ltd,
1994-97 Ian Jackson.