Subject: bug#52266: [Installer] ESP/EFI Partition not being reformatted (if exists) during graphical install by default.

From: Mathieu Othacehe <[email-masked]>
Date: Sun, 05 Dec 2021 08:33:33 +0100

Hello,

> Brief Summary: It appears as though the Guix installer does not
> reformat the EFI/ESP partition if it already exists.

Sorry the installation failed for you :(.

While it's true that the Guix installer doesn't reformat the ESP
partition if it already exists, that shouldn't cause any issue. That's
what happened when I installed Guix on my X1 Nano.

> Effects: It creates a GRUB2 error which states that it can not find
> the filesystem properly. In my case, it’s because Grub expected a
> previous OS’s filesystem information (Fedora), but as the EFI
> partition was not modified in the install, the .cfg did not reflect
> the new GUIX filesystem UUID.

Could you share the Grub error you encountered?

Thanks,

Mathieu