[Gllug] RHEL Virtualisation Puzzle

[Daniel P. Berrange]

On Tue, Jul 29, 2008 at 10:55:39AM +0100, Troy Jendra wrote:
> Hi
> 
> 2008/7/29 Stephen Nelson-Smith <sanelson at gmail.com>:
> >
> > I don't have access to the machine for a few days but my mind is
> > puzzled.  Is it likely that my 32 bit domain is paravirtualised?  And
> > if so, is the Redhat documentation out of date?  Or is it HVM?  In
> > which case, is the Redhat documentation incorrect?
> >
> I tried this in the 5.1 days.  It seems to run fine, although live
> migrations fail terribly.  Apparently this is an experimental
> unsupported feature.  Your best bet is to only run 32 on 32 bit or 64
> bit on 64 bit, and not to mix them(yet!).

If you were indeed using 5.1, then it was pure luck that it worked at all.
In RHEL-5.1, running 32-bit paravirt guests on 64-bit host is known to 
randomly crash & burn at any time it feels like. You want 5.2 as a minimum

Daniel
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