Re: Domains not being destroyed properly

[Keir Fraser <keir.xen@gmail.com>]

On 21/06/2011 17:42, "Ian Campbell" <Ian.Campbell@eu.citrix.com> wrote:

> On Tue, 2011-06-21 at 17:26 +0100, Ian Jackson wrote:
>> Ian Campbell writes ("Re: [Xen-devel] Domains not being destroyed properly"):
>>> I suspect that you will probably find that only the hypervisor parts of
>>> the domain are being cleaned up by killing qemu -- e.g. the xenstore
>>> entries and some other stuff (e.g. libxl user data) are not being
>>> cleaned up.
>> 
>> It is puzzling that the hypervisor domain gets destroyed at all.  What
>> is making the destroy domain hypercall ?
> 
> I wondered that and handwaved it to myself as being the
> HLT-with-interrupt-disabled logic kicking in and shutting down the guest
> but now that I look it seems that this just triggers a domain shutdown
> event to dom0 and doesn't actually destroy the domain (which is actually
> as expected before I handwaved). So I'm a bit surprised again now too.

A domain can only be destroyed via the destroydomain domctl from dom0.

 -- Keir

> Ian.
> 
> 
> 
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