[CentOS-devel] XEN 3.1 centos5.1 x86_64 domU 32bit

Theurl Michael michael.theurl at smog.at
Thu Jan 17 14:44:03 UTC 2008


Hello Tim,

this information is pure gold for me :) 
thanxs a lot.

greets

Michael

On Thu, 2008-01-17 at 15:35 +0100, Tim Verhoeven wrote:
> On Jan 17, 2008 3:29 PM, Theurl Michael <michael.theurl at smog.at> wrote:
> >
> > I do not know if someone out there had/have this problems.
> >
> > We have two HP-bl20p-G4 2xQuadCore Xeon E5320 Intel cpu's Blade.
> > with following software on it
> >
> > * centos 5.1 x86_64
> > * xen hypervisior 3.1 from centos distri.
> >
> >
> > And run on it following guests:
> > 32bit centos4.6 domU's with xen_domU_kernel from update repo.
> >
> > Some of this machines are running fine and some of this are dying
> > sometimes under load or no load.
> > It look's for me strange.
> >
> > So my question is there a basic problem to run domU32 bit systems on a
> > 64bit hardware ?
> > If i read the newest messages on xen this is now a big goal for xen 3.1
> > but i know it can be a bug or a misunderstood config on my side.
> >
> > Hopefully someone out there can help me with this problem.
> 
> ...snip...
> 
> Hi Michael,
> 
> Support for running 32 bit Paravirt Xen VM's on a 64bit host was added
> to 5.1 as a technology preview by the upstream provider. This means
> that this has not been fully tested and is not supported.
> 
> I've also have been testing this and I had the same issues. Most of
> the times I could not even get a install to finish.
> 
> So I guess the best thing to do is to create tickets for this in the
> upstreams bugzilla and hope they have fixed the issues for 5.2
> 
> Regards,
> Tim
> 
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