GNU bug report logs - #44353
guix system disk-image -t raw fails with grub-efi-bootloader

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Message #8 received at 44353 <at> debbugs.gnu.org (full text, mbox):

From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: Jesse Gibbons <jgibbons2357 <at> gmail.com>
Cc: 44353 <at> debbugs.gnu.org, Mathieu Othacehe <othacehe <at> gnu.org>
Subject: Re: bug#44353: guix system disk-image -t raw fails with
 grub-efi-bootloader
Date: Sat, 07 Nov 2020 02:09:30 -0500

[Message part 1 (text/plain, inline)]

Hello!

Jesse Gibbons <jgibbons2357 <at> gmail.com> writes:

> To replicate:
> cd to a git checkout of the source code, gnu/system/examples
> The hash for my current checkout is
> d7e033b9a153a9e60f52ff64f4eb355c1c3d0a6e which is also the hash for my
> current version of guix.
> guix system disk-image -t raw lightweight-desktop.tmpl
>
> lightweight-desktop.tmpl defines an operating-system that uses
> grub-efi-bootloader, and is embedded in the info pages as an example
> operating system. Since it is lightweight, it doesn't take as long to
> build as desktop.tmpl.
>
> Expected results: guix builds the raw image just fine, and that image
> can be copied to an SD card and run on a computer with an efi
> bootloader, just like the counterpart with grub-bootloader. There is
> nothing in the documentation suggesting that this should not work by
> design.
>
> Actual results: guix fails, see attached log.
>
> -Jesse

Thank you for the report!

I'm CC'ing Mathieu as he knows this part of the code much better than I
do, having overhauled the generation of disk images recently!

Below are two patches I made while investigating this.  Mathieu, does
that look like a proper fix?  It allows images to be generated, but I'm
unsure whether they'd be bootable (I couldn't successfully boot either
EFI or MBR GRUB-based disk images in QEMU).

Anyway, attached are the patches.

Thank you!

Maxim

[0001-build-image-Ensure-required-arguments-are-present.patch (text/x-patch, attachment)]

[0002-image-Only-attempt-bootloader-installation-when-supp.patch (text/x-patch, attachment)]

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