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Re: [Xen-devel] Memory allocation with rebooted HVM

To: John <lists.xen@xxxxxxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Memory allocation with rebooted HVM
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Mon, 12 Oct 2009 09:04:58 +0100
Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
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On 12/10/2009 08:49, "John" <lists.xen@xxxxxxxxxxxxxxxxxx> wrote:

>>> Is there a known bug in xen-unstable with rebooting of HVMs w/stubdom,
>>> and
>>> having the new domU come up before the old domU has been shut down and
>>> its
>>> memory fully reclaimed?
>> 
>> Yes. Perhaps there is a race between shutting down the stubdom and
>> creating
>> the new domU? The stubdom maps a lot of the old domU's memory, and that
>> wouldn't get freed until the stubdom is destroyed.
> 
> Nod, that makes sense. Would this be a simple fix?

Perhaps Stefano can comment on whether this is possibly the cause at all?
I'm only hypothesising.

 -- Keir



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