Re: [Xen-users] 64 Bit Dom0 and 32Bit DomU

[Mark Williamson <mark.williamson@xxxxxxxxxxxx>]

If you've upgraded Xen make sure you have properly uninstalled the old tools 
and installed the new ones to match your Xen.

nb. to actually use 32-on-64 you also need a sufficiently new dom0 kernel that 
supports this feature.

Cheers,
Mark

On Tuesday 20 May 2008, MS wrote:
> It was out of the dist deb.
> I compiled it by my self, now it works fine.
>
> xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32
> hvm-3.0-x86_32p hvm-3.0-x86_64
>
> Thank you!
>
> Nick Couchman schrieb:
> > I don't think it has to do with the dom0 kernel, I think it has to do
> > with the Xen hypervisor you're loading.  What version of Xen are you
> > running?
> >
> > -Nick
> >
> > >>> On 2008/05/20 at 06:18, MS <ms@xxxxxxxxxx> wrote:
> >
> > There is only
> >
> > xen_caps               : xen-3.0-x86_64 hvm-3.0-x86_32 hvm-3.0-x86_32p
> > hvm-3.0-x86_64
> >
> > but no "xen-3.0-x86_32p".
> >
> > How can i change it? Another Dom0-kernel?
> >
> > Nick Couchman schrieb:
> > > You might do a "xm info" to see what types of domUs are supported
> > > under the version of Xen you're running, which is displayed on the
> > > xen_caps line.  Mine looks like this:
> > > xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32
> > > hvm-3.0-x86_32p hvm-3.0-x86_64
> > >
> > > What's important to note here is that the Xen version I'm running only
> > > supports 32-bit PAE kernels for PV domUs (for HVMs it supports
> > > non-PAE, but not for paravirtualized kernels).  Check yours and see
> > > which types of kernels are supported - you may need to use a PAE
> > > kernel, instead.
> > >
> > > -Nick
> > >
> > > >>> On 2008/05/20 at 05:51, MS <ms@xxxxxxxxxx> wrote:
> > >
> > > Hello,
> > >
> > > i run Debian Etch amd64 on my dom0,
> > > if i try to create a domU with a 32Bit Kernel, i get:
> > >
> > > Using config file "123.conf".
> > > Error: (22, 'Invalid argument')
> > >
> > > If i try a 64Bit guest kernel, it works fine.
> > >
> > > Is there a way to run a 32-Bit domU on a 64bit based dom0 os?
> > >
> > >
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