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Date: Tue, 11 Jul 2023 16:56:50 +0800
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To: ~alpine/users@lists.alpinelinux.org
Subject: Re: Cannot boot 3.18 with UEFI?
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> I know I=E2=80=99m a bit later with this response, but you don=E2=80=99t =
have to use=20
> Grub for UEFI. Actually, you don=E2=80=99t need any extra bootloader on U=
EFI.
>=20
> Linux kernel supports EFISTUB booting which allows EFI firmware to
> load the kernel as an EFI executable. The best way is to build EFI
> Unified Kernel Image =E2=80=93 a single EFI PE executable combining an EFI
> stub loader, a kernel image (vmlinuz), the kernel command line, and
> optionally an initramfs image, CPU microcode update, and a splash
> image. This can be easily signed for Secure Boot. It=E2=80=99s described =
on=20
> https://wiki.alpinelinux.org/wiki/UEFI_Secure_Boot.

Thanks much for that pointer to this Wiki page, not sure why that did
not turn up in my searches. In fact, the process is not too long or
difficult or all, I just was stumped for a while near the end when

	# efibootmgr --disk <dev> --part 1 --create --label 'Alpine
	Linux' --load /Alpine/linux-lts.efi --verbose

silently refused to do anything. Weird, because I rebooted into Ubuntu
20.04 and ran the exact same command, and it worked. So it looks like
Alpine is a go on this machine, though I wonder if UEFI is entirely
healthy.