Re: [Xen-devel] Anyone done this before? Netbsd on Debian

["Christoph Egger" <Christoph.Egger@xxxxxxx>]

On Monday 29 January 2007 10:50, Luke S. Crawford wrote:
> On Sun, 28 Jan 2007, grg lmb wrote:
> > Setup with Netbsd domU on Debian Sarge Dom0 fails with
> > error 2: non-PAE kernel on PAE host.
> >
> > At this point I am seeking help from someone whom have done this before
> > as I have been through the posts and I see a few "theories" on how to do
> > this. Dirk in the post below claimed to have successfully done this... is
> > there any one else and can you please post instructions for the benefit
> > of the community so that in one years time someone else does not ask for
> > this.
>
> Yes, well, the pae/non-pae status of your domU/dom0 must match.
>
> >From what I understand, NetBSD doesn't support PAE.   (Is this true?
>
> seems odd to me.)   I do run NetBSD DomUs on a Debian Dom0, and it does
> work great (in fact, I am typing this message on a NetBSD DomU running on
> a Debian Dom0)  But I have compiled my Debian Dom0 kernel *Without* PAE
> support.
>
> (I think this is the default when you compile xen from source.)  I use the
> 3.0.4 http://xenbits.xensource.com/xen-3.0.4-testing.hg
>
>
> If someone else knows how to make PAE work on NetBSD, please post.

There are two ways:

1. Implement PAE support in NetBSD
2. Make non-PAE guests in PAE Hypervisor work properly

The first point is NetBSD-related, the second is Xen related.

Christoph



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