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xen-devel
Re: [Xen-devel] Memory allocation with rebooted HVM
On 13/10/2009 19:13, "Stefano Stabellini" <stefano.stabellini@xxxxxxxxxxxxx>
wrote:
>> This seems to have been triggered just by that one domU being restarted.
>> I've seen this before as well, when a 4G domU tried to restart and hosed a
>> box that only had 3G of memory free (on top of the 4G it was using).
>
> It seems to me that the new domain is always created after the old one
> has been destroyed with the exception that the old stubdom may still be
> alive but one stubdom uses only 32MB of ram, therefore cannot be the one
> preventing you from restarting the domain, especially in the case above
> where you had 3G free.
How much guest memory might the stubdom map? Could the stubdom be preventing
the guest's memory from being freed, by holding references to the pages?
-- Keir
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