Bug#1062073: Re: Bug#1062073: grub-efi-amd64: GRUB 2.12 fails to boot with X64 exception

[Mate Kukri]

Thanks for bisecting, appreciate that.

Having boot crashes like that by default still looks really bad,
I would rather revert that commit given that it's new and no one
had the opportunity to rely on it yet.

On Fri, Feb 2, 2024 at 12:44 PM Morten Hein Tiljeset <mtiljeset at uber.com> wrote:
>
> So I spent an evening bisecting the issue from upstream sources.
>
> The problem was introduced with
> > 7b192ec4c term/ns8250: Use ACPI SPCR table when available to configure serial
>
> The old behaviour can be regained by setting the unit explicitly grub.cfg
> > serial --unit=0 --speed=115200
>
> This solves my issue, so you can go ahead and close the bug report.
> I assume the ACPI lookup logic triggered a bug in my particular firmware.
>
> /Morten