Re: merge bouyer-xenpvh to HEAD

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

On Mon, Apr 27, 2020 at 11:51:23AM +0100, Chavdar Ivanov wrote:
> There is one problem, though.
> 
> The new GENERIC killed nvmm for me. You can load the module, but as
> soon as you start an nvmm guest, the machine gridns to a halt, it
> stops every disk access, although you can still switch between the
> tmux sessions in my case or type on the console window; the commands
> entered never return anything back. Interrupt into ddb shows again
> only the idle loop.
> 
> So in this shape GENERIC is probably not usable. Although one will
> never run the same machine as a XEN giuest and qemu-nvmm host, the
> kernel breaks the latter.

I'm not sure why the Xen support would affect nvmm; it may be something
else (there's been lots of changes HEAD in the last few days).

You could try building a kernel without the Xen options and see if it makes
things better for nvmm.

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