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Re: [Xen-devel] [PATCH] Re: Shadow domains left zombie

On Thu, 2012-04-19 at 18:08 +0100, Tim Deegan wrote:
> At 09:19 -0700 on 13 Apr (1334308772), Andres Lagar-Cavilla wrote:
> > After a hvm+shadow domain dies (either clean shutdown or merciless
> > destroy), the domain is left in a zombie state with 1 (one) page left
> > dangling with a single reference.
> The reference is to the top-level pagetable that was pointed to by CR3
> when the domain was killed.  This bug came in with:
>  changeset:   23142:f5e8d152a565
>  user:        Jan Beulich <jbeulich@xxxxxxxxxx>
>  date:        Tue Apr 05 13:01:25 2011 +0100
>  description: x86: split struct vcpu
> where HVM domains no longer have vcpu_destroy_pagetables(v) called on
> their VCPUs as they die.  Proposed fix attached.

FTR this fixes the zombie domain issue I'd been seeing, AFAICT.



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