On 12/29/24 11:38, Andy Smith wrote: > Hi, > > On Sun, Dec 29, 2024 at 11:26:38AM -0500, Eben King wrote: >> The boot device is currently /dev/sdb which has a GPT partition table, and >> its first few partitions are >> >> number size mount point ...
> Does UEFI booting not require an EFI System Partition (ESP) of type vfat > typically mounted at /boot/efi on Debian? eben@cerberus:~$ ls /boot/efi ls: cannot access '/boot/efi': No such file or directory Fudge. >> I swear I ran a program that showed me EFI boot vars (if they exist) >> and it showed nothing. But now I can't remember what that program >> was. > > Probably "efivar --list". It's in the "efivar" package and not installed > by default. Thanks. It was probably in a live CD environment. >> How can I ensure that I'm actually booted using EFI? > > If you're booted by UEFI then /sys/firmware/efi/ will exist. eben@cerberus:~$ ls -ld /sys/firmware/efi ls: cannot access '/sys/firmware/efi': No such file or directory Bummer. OK. Has anyone booted using EFI with this motherboard? Either I've done something wrong, or its EFI implementation is shoddy or remarkable forgiving of incompetent installations.
