Re: [PATCH 6/6] gnu: Add grub-efi.

[Ludovic Courtès]

Marius Bakke <address@hidden> skribis:

> Ludovic Courtès <address@hidden> writes:
>
>> Hello!
>>
>> Marius Bakke <address@hidden> skribis:
>>
>>>>> OK. I'll try to find out why tests don't work with the UEFI variant
>>>>> first in order to at least write a meaningful comment. Maybe qemu needs
>>>>> UEFI support or something like that.
>>>>
>>>> It might be that we no longer need QEMU 1.3.1 to run the tests (see the
>>>> top of gnu/packages/grub.scm)?
>>>
>>> The problem is missing UEFI firmware for the qemu calls. But we indeed
>>> no longer need address@hidden for the tests, at least on x86_64. I replaced
>>> it with 'qemu-minimal'. Pushed!
>>
>> Great!
>>
>> I’m failing at installing GuixSD on a new laptop I have here.
>> ‘efibootmgr’ exits with code 2 and this message:
>>
>>   EFI variables are not supported on this system.
>>
>> (which ‘grub-install’ happily ignores.)
>>
>> This is because /sys/firmware/efi is missing, which apparently is
>> because I booted off the GuixSD USB image (“legacy”) and not in EFI
>> mode.
>>
>> What would you suggest?  :-)
>
> What I did was a normal BIOS install, backup the grub.cfg, switch laptop
> to UEFI (only) and boot a Debian live CD. From there "apt-get install
> grub-efi; grub-install /dev/sda" and afterwards copy grub.cfg in place.
>
> You may want to add "insmod efi_gop" and "insmod efi_uga" to grub.cfg,
> otherwise you won't get a framebuffer until the proper video driver is
> loaded (which may require unlocking root partition etc).

Wait, all I need is /sys/firmware/efi in the install image.  Is it
impossible?

> Not the most user friendly installation instructions! I'm researching
> methods to make the base install image hybrid BIOS/UEFI.

What would it take?

Woow, I didn’t expect UEFI to be that much of a pain.  :-/

Ludo’.