On Mon, Mar 03, 2025 at 02:24:46PM +0000, Klemens Nanni wrote: > 03.03.2025 05:34, Josh Grosse ??????????: > > I've just upgraded to a new snapshot, and installboot failed during > > the upgrade because of the -c option, with: > > EFI variable handling was unsuccessful, all else went fine, otherwise > the installer would not have proceeded. > > > installboot: EFIIOC_VAR_NEXT: Function not implemented > > This may be related. > > Any knob in the BIOS menu that might prevent changes to EFI variables or so? There are 3 knobs:
1. Secure boot on/off - set to off 2. Legacy, UEFI boot - set to UEFI preferred 3. CSM shim on/off - set to on
