Re: HEADSUP: panic: running without device atpic requires a local APIC on UEFI systems after 0b01d45783c3

From: Warner Losh <imp_at_bsdimp.com>
Date: Tue, 21 Nov 2023 02:16:26 UTC
I have a patch cooking for this... I was almost done when I had to leave
for karate.

Warner

On Mon, Nov 20, 2023, 6:21 PM Xin Li <delphij@delphij.net> wrote:

> Hi,
>
> It seems that the recent improvements of ACPI detection (e0f3dc82727f
> and 0b01d45783c3) would leave the system in an unbootable state if the
> UEFI files are not being updated at the same time of "make
> installworld".  At early boot the kernel would panic with:
>
> panic: running without device atpic requires a local APIC on UEFI systems
>
> To recover a system in this state, at loader prompt, use:
>
> unset hint.acpi.0.disabled
> boot
>
> (I think core.lua should be modified to be compatible with an older UEFI
> payload, possibly issuing a warning that gets logged; and this should be
> mentioned in UPDATING)
>
> Cheers,
>