[CentOS-virt] reboot guest on panic

Pasi Kärkkäinen pasik at iki.fi
Tue Mar 16 17:49:35 UTC 2010

On Mon, Mar 15, 2010 at 11:06:01AM +1100, Norman Gaywood wrote:
> On 15 March 2010 10:12, Christopher G. Stach II <cgs at ldsys.net> wrote:
> > ----- "Norman Gaywood" <ngaywood at une.edu.au> wrote:
> >
> >> 64bit multi-vcpu. The guest is quite heavyweight, 30GB of memory and
> >> 12vcpu. It's a LTSP server designed to handle lots of graphical logins
> >> for computer science students.  This, I guess is not a common
> >> workload.
> >
> > I wouldn't say that it's an uncommon workload, or VM configuration, at all. However, it is an uncommon kernel. Is there any reason that you need to use that one? Can/Does it work with something more "approved"?
> LTSP setups are either Fedora or Ubuntu which run about the same
> vintage of kernel.
> Thing is that the 2.6.3? kernels that are supposed to work as a Xen PV
> guest have been around a long time now. None of them seem to work in
> my case. The oldest I tried was 2.6.30.
> Installing say a Centos kernel on fedora does not look to be an
> option. Ubuntu seem to have pretty much the same software/kernel as
> fedora. It's a lot of work to build sometime like our current setup on
> Ubuntu only to discover it probably has the same problem. Note  also
> this problem was not reproduced  in testing until very recently (see
> the bugzilla).
> Another way would be to install Fedora/Ubuntu on the bare metal like
> we have on older versions of this system. But sigh, I hit a different
> bug going that way with "Enterprise Hardware" not supported in modern
> kernels.
> So these 2.6.3? kernels are supposed to work as PV guests. And in any
> event, it looks like the problem might be in the Xen Hypervisor
> anyway. The bugzilla was moved from a Fedora bug the a RH EL bug (not
> by me).

Sorry I can't remember if I already asked if you tried upgrading to
Xen 3.4.2 from http://gitco.de/repo/ ?

-- Pasi

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