Re: [Qemu-devel] [PATCH 0/2] Introduce panic hypercall

[Gleb Natapov]

On Mon, Jun 20, 2011 at 07:34:57PM +0300, Avi Kivity wrote:
> >The only two things which came to my mind are:
> >
> >  * NMI (aka. ipmitool diag) - already available in qemu/kvm - but requires
> >    in-guest kexec/kdump
> >  * Hardware-Watchdog (also available in qemu/libvirt)
> 
> A watchdog has the advantage that is also detects lockups.
> 
And has disadvantage that all time base heuristics are bite us in the
end.

--
                        Gleb.