[CentOS-virt] reboot guest on panic

Norman Gaywood ngaywood at une.edu.au
Sun Mar 14 05:38:40 UTC 2010

On Sat, Mar 13, 2010 at 10:21:14PM -0600, Christopher G. Stach II wrote:
> ----- "Norman Gaywood" <ngaywood at une.edu.au> wrote:
> > I have a guest that keeps crashing and want to automatically reboot
> > it when it crashes. See:
> > 
> >   xen PV guest kernel 2.6.32 processes lock up in D state
> >   https://bugzilla.redhat.com/show_bug.cgi?id=550724
> > 
> > if you want to look at the details on the crashing.
> If your guest's state is corrupted, you can't rely on its behavior. For that reason, you should set up a watchdog and only rely on the panic behavior as a preliminary measure.
I figured that I had setup a watchdog with the hung_task_panic=1 guest
parameter. Is there another way of setting up a watchdog in this case?

Norman Gaywood, Computer Systems Officer
University of New England, Armidale, NSW 2351, Australia

ngaywood at une.edu.au            Phone: +61 (0)2 6773 3337
http://mcs.une.edu.au/~norm    Fax:   +61 (0)2 6773 3312

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