Re: How to control booting via BIOS vs booting via EFI?

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Tue, Oct 14, 2025 at 08:47:33PM +0200, Johan Stenstam wrote:
> I tried this, using Xen 4.20 and NetBSD 10.1. Unfortunately the hypervisor crashed instantly. My guess is that this is the same crash as before (although at that time I used Xen 4.18). However, while it was very fast I took a movie and I?ve attached the last useful frame from that movie. I?m sorry about the glare. Does that picture provide any useful clues?

It looks like it faults in hardware initialisation.
Could you check if x2apic and/or vt-d are enabled in BIOS ?

You can also try booting xen with x2apic=off
You could also try playing wuth the x2apic-mode option

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
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