Re: upgrading my dom0 box (again?) - foolish?

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

On Fri, Oct 24, 2025 at 02:29:15PM -0700, Jeff Rizzo wrote:
> On 10/24/25 13:44, Manuel Bouyer wrote:
> 
> > with xl create -c, you should see the pvshim messages before
> > the NetBSD kernel boot.
> > 
> > One thing to make sure is if you can start hvm domUs, or pvh;
> > netbsd-10 does support pvh boot. I'm seen some CPUs that claim HVM
> > support but can't run pvh.
> > 
> > No need to do a full install; just start a domU with pvh and
> > a netbsd-GENERIC kernel as guest kernel:
> > 
> > type="pvh"
> > kernel = "/usr/pkg/etc/xen/kernels/netbsd10-GENERIC.gz"
> > memory = 1024
> > 
> > should be enough
> > 
> > I don't remember but it's quite possible that pvshim isn't functional in
> > 4.11; it's quite old.
> 
> 
> Oh!  I guess I was misunderstanding some stuff - with this clue, I was able
> to get my formerly-PAE
> 
> 8.1 system running a 10.1 GENERIC kernel with pvh!  So... I assume this will
> continue to work in Xen 4.18

Yes it will.
Hopefully

type="pvh"
pvshim=1

will also allow you to boot your XEN3PAE kernel to boot with 4.18.
It does for me with netbsd-9 and netbsd-10 kernels

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