[Linux-HA] Re: heartbeat inside xen

[Marc Cousin]

> >
> > I don't think the problem somes directly from Xen ... we're hosting
> > several OSes on the same machine (5 on each for the moment).
> > The machines using 2.4.29 are OK.
> > The machines using 2.6.10 show the strange behaviour.
> > I don't think there is a Xen scheduling problem, as I'm working via ssh
> > on the hosted 2.6.10 when the problem occurs, and there's no freeze.
> > The problem with 2.6.10 (split cluster) occurs a few minutes after
> > booting... and only once, it seems.
> >
> > If there are any tests I can do, let me know, as creating a new
> > environment isn't painfull at all...
>
> It could easily be an interaction between the two.
>
> If it's not an Xen problem, then it should reproduce without Xen running.
>
> This is exactly the kind of problem that virtualization often causes.

After a long time, I've had the time to test with the same 2.6.10 kernel 
without Xen. And the problem seems to be Xen+2.6.10, as I cannot reproduce it 
with the normal kernel.