Re: mix of ACPICA regression and EFISTUB regression (Was: kernel >= v6.2 no longer boots on Apple's Virtualization.framework (x86_64); likely to be related to ACPICA)

From: Ard Biesheuvel
Date: Sat May 27 2023 - 14:04:14 EST

On Sat, 27 May 2023 at 20:00, Akihiro Suda <> wrote:
> [Resending as a plain text email]
> Turned out that this is a mixture of an ACPICA issue and an EFISTUB issue.
> Kernel v6.2 can boot by reverting the *both* of the following two commits:
> - 5c62d5aab8752e5ee7bfbe75ed6060db1c787f98 "ACPICA: Events: Support
> fixed PCIe wake event"
> - e346bebbd36b1576a3335331fed61bb48c6d8823 "efi: libstub: Always
> enable initrd command line loader and bump version"
> Kernel v6.3 can boot by just reverting e346bebb, as 5c62d5a has been
> already reverted in 8e41e0a575664d26bb87e012c39435c4c3914ed9.
> The situation is the same for v6.4-rc3 too.
> Note that in my test I let Virtualization.framework directly load
> bzImage without GRUB (akin to `qemu-system-x86_64 -kernel bzImage`).
> Apparently, reverting e346bebb is not necessary for loading bzImage via GRUB.

Are you using OVMF? Which versions of qemu and OVMF are you using?