paravirtualized 32-bit on 64-bit host?
Nikolas Lam
nlam87346 at library.usyd.edu.au
Tue Mar 18 23:35:16 UTC 2008
On Tue, 2008-03-18 at 15:36 -0400, Furnish, Trever G wrote:
> > -----Original Message-----
> > From: redhat-list-bounces at redhat.com
> > [mailto:redhat-list-bounces at redhat.com] On Behalf Of Jose R R
> > Sent: Friday, March 14, 2008 12:43 PM
> > To: General Red Hat Linux discussion list
> > Subject: Re: paravirtualized 32-bit on 64-bit host?
> >
> > On 3/7/08, Furnish, Trever G <TGFurnish at herffjones.com> wrote:
> > >
> > > Anyone managed to get a paravirtualized 32-bit guest working on a
> > > 64-bit redhat host? The RHEL5.1 release notes claim
> > there's preview
> > > support for it. If by "technology preview" they mean, "We tried it
> > > and it didn't work", then yeah, I guess there's support. But I'm
> > > having no luck. :-(
> > >
> > >
> > >
> http://www.redhat.com/docs/manuals/enterprise/RHEL-5-manual/release-no
> > > te
> > > s/RELEASE-NOTES-U1-x86_64-en.html
> > >
> > > Anyone else fairing better?
> > >
> > > --
> > > Trever
> > >
> >
> > Well last year I installed a 32-bit WinXP instance under
> > 64-bit OpenSuSE host implementation of Xen.
> > Of course, proprietary technology is not actually
> > paravirtualized, but rather fully virutalized with the help
> > of the (AMD CPU in my specific case) hardware extensions.
> > You can find an overview of what I did, if interested of course, at:
> > http://www.metztli-it.com/blog/index.php?blog=4&title=open-sou
> > rce-on-sun-microsystems-sun-ultr-20&more=1&c=1&tb=1&pb=1
> >
> >
> > Regards,
> >
> > Jose R Rodriguez
> > http://www.metztli-it.com
>
> Thanks, Jose. I was hoping to avoid full virtualization due to the
> reported performance impacts, but perhaps that'll just have to wait.
> And you were the only one who even responded -- much appreciated!
>
>
See also this thread branch. It will still be tech-preview in release
5.2.
https://www.redhat.com/archives/rhelv5-list/2008-March/msg00176.html
n.
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