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Re: grub.cfg does not have luks module for encrypted root

From: Jack Hill
Subject: Re: grub.cfg does not have luks module for encrypted root
Date: Fri, 1 Feb 2019 10:29:15 -0500 (EST)
User-agent: Alpine 2.20 (DEB 67 2015-01-07)

On Fri, 1 Feb 2019, Joshua Branson wrote:

Jack Hill <address@hidden> writes:


I'm using the attached config.scm for a host with an encrypted gpt
root partition while booking with bios-grub. It produces the attached
grub.cfg, which lacks the luks module, thus grub cannot find the

If I enter the grub command line and manually insmod luks and
cryptomount, I can then boot correction.

Out of curiosity how do you boot GuixSD on the grub command line?

The only way I know how to do it is:

set root=(hd0,1)  ; wherever your root partition is
linux /gnu/path/to/vmlinuz-linux-libre root=/dev/sda1
initrd /gnu/path/to/initramfs-linux-libre.img

In arch linux, I know where those paths are: /boot, but it GuixSD those
paths are usually buried in /gnu/some/crazy/path...

Once I ran 'insmod luks' and 'crytomount (hd0,gpt2)', the filesystem containing the store became available to Grub. I then ran 'configfile (hd0,gpt1)/boot/grub/grub.cfg' to have Grub reprocess the config file that Guix wrote for it. Since the store was now available, Grub was able to load its theme, kernel, and initramfs. Sorry for admitting that step in my summary.


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