Re: NetBSD as HVM guest

[Christoph Egger <Christoph_Egger%gmx.de@localhost>]

On Monday 13 July 2009 15:12:34 Goran wrote:
> Sorry, I know there is a 3.1 Xen-able dom0 kernel. But what I need is a
> 3.3 Xen-able dom0 i386 kernel.

Xen 3.3 requires PAE support in i386 Dom0 which is available in
NetBSD-current and in experimental stage. You may run into surprises, 
particularly if you have 4GB or more physical RAM.

If this is no option for you, then yes you have to get an amd64 machine.

Christoph


> Am Montag, den 13.07.2009, 15:08 +0200 schrieb Goran:
> > Are there any binary dom0 kernel for i386 (as my machine for
> > experimental use is a i386)? Or do I have to get an amd64 machine?
> >
> > Am Montag, den 13.07.2009, 13:44 +0200 schrieb Christoph Egger:
> > > On Monday 13 July 2009 12:01:49 Goran wrote:
> > > > Am Freitag, den 10.07.2009, 18:44 +0200 schrieb Christoph Egger:
> > > > > Goran wrote:
> > > > > > [...]
> > > > >
> > > > > For HVM guests, there's a per-guest qemu output file in
> > > > > /var/log/xen/qemu-dm-<guestname>.log
> > > > >
> > > > > What is it's output ?
> > > > >
> > > > > Christoph
> > > >
> > > > The name/position of the file is "/var/log/xen/qemu-dm.226.log". At
> > > > this position I've found dozens of such files without one of
> > > > "/var/log/xen/qemu-dm-<guestname>.log". I've identified the file by
> > > > date/time.
> > >
> > > Ok, that tells me you are using Xen 3.1. The file format has been
> > > changed to qemu-dm-<guestname>.log in newer Xen versions.
> > >
> > > Xen 3.1 is too old for NetBSD to run as HVM guest.
> > > Upgrade to Xen 3.3.
> > >
> > > It has a buggy shadow paging implementation which doesn't handle
> > > unaligned and cross-page accesses properly. This has been fixed
> > > in Xen 3.3.
> > >
> > > Christoph