Hi Felix, Thanks a lot for the help. Apparently, I boot with efi (I have the file /sys/firmware/efi).
I regularly do guix pull then sudo guix system reconfigure /etc/config.scm, and it goes without a hitch. I don't know what's wrong this time. Kind regards, Christophe Le jeudi 09 janvier 2025 à 11:19 -0800, Felix Lechner a écrit : > Hi Christophe, > > On Thu, Jan 09 2025, Christophe Pisteur wrote: > > > Could not prepare Boot variable [...] efibootmgr n'a pas réussi à > > enregistrer l'entrée de démarrage: Erreur d'entrée/sortie. > > Did you boot in EFI or in legacy mode? I don't read French, but > 'efibootmgr' and the Boot variables (which look like 0001 and > determine > the boot order) are only available in EFI mode. > > Kind regards > Felix
