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Re: [Xen-devel] Domains not being destroyed properly
| To: | Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Domains not being destroyed properly |
| From: | Keir Fraser <keir.xen@xxxxxxxxx> |
| Date: | Tue, 21 Jun 2011 18:01:32 +0100 |
| Cc: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Anthony Wright <anthony@xxxxxxxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> |
| Delivery-date: | Tue, 21 Jun 2011 10:06:44 -0700 |
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| Thread-topic: | [Xen-devel] Domains not being destroyed properly |
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On 21/06/2011 17:42, "Ian Campbell" <Ian.Campbell@xxxxxxxxxxxxx> 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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