ACPI shutdown can be done via the QEMU process.

It should be listening on a control pipe where you can tell it to shutdown.

On 23 April 2011 21:33, Florian Heigl <> wrote:

> Hi all,
> I have a nicely working FreeBSD image now, that seems stable enough
> for production use.
> The one thing I couldn't find out was how to make it shut down upon xm
> shutdown <domid> as this would be required to ensure the vm will be
> gracefully shutdown if some issue occurs in the host...
> Has one of you solved that and is there any documentation to it?
> Greetings,
> Florian
> (FreeBSD 8.2-RELEASE FreeBSD
> 8.2-RELEASE #0: Thu Apr 21 00:09:13 CEST 2011
> root@:/usr/src/sys/amd64/compile/XENHVM
> Using amd64, using Xen PV disk and network drivers
> It's somewhat telling that the final hints about PV drivers came from
> someone over at I see some overhead from HVM
> instead of PV, but I opt a working & fast system over the last 2% of
> performance here...
> --
> the purpose of libvirt is to provide an abstraction layer hiding all
> xen features added since 2006 until they were finally understood and
> copied by the kvm devs.
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