Re: [Xen-devel] Domains not being destroyed properly

[Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>]

On Tue, 2011-06-21 at 20:35 +0100, Tim Deegan wrote:
> Hi, 
> 
> At 17:26 +0100 on 21 Jun (1308677212), 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 suspect that xl destroy is doing it, but the domain can't actually
> disappear until the last references to ist memory are dropped by
> qemu-dm.

Anthony reckons that just killing the qemu after an "xl shutdown" is
sufficient, without an "xl destroy". I can't see anywhere that "xl
shutdown" would issue the destroydomain hypercall though (which is
expected, since it shouldn't be doing it).

Ian.


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