Re: [Xen-users] Watchdog support in XEN?

[Mark Williamson <mark.williamson@xxxxxxxxxxxx>]

> So my question does XEN provide a "hardware" watchdog that the user domains
> can use?
> It might be safer that the counter and trigger resides in the XEN domain
> than in the user domains.

A sensible and straightforward way to do this would be to wait for the 
XenStore code to be fully merged, then set up an attribute in the XenStore 
which is written to periodically by the domU to say that it's live.  A daemon 
in dom0 can watch this and restart the domain if the attribute isn't updated 
for a while.  The hypervisor won't need to know about this.

Cheers,
Mark

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