Re: [Xen-devel] Should 'xm save' work, when using PCI pass through?

[Tom Rotenberg <tom.rotenberg@xxxxxxxxx>]

Why? if i send the domain to S3, and then save the PCI config space -
isn't it enough?

On Wed, Sep 23, 2009 at 3:49 PM, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> wrote:
> I'm not sure xend can save/restore passthrough state. In which case your
> only option is to hot-unplug the PCI devices from the guest first.
>
>  -- Keir
>
> On 23/09/2009 12:16, "Tom Rotenberg" <tom.rotenberg@xxxxxxxxx> wrote:
>
>> Well, i just tried sending the domain to S3, and then saving it's
>> state, but i got an error saying, that 'migration isn't allowed with
>> pass-through devices'.
>> How can i workaround this?
>>
>> On Wed, Sep 23, 2009 at 1:45 PM, Ian Pratt <Ian.Pratt@xxxxxxxxxxxxx> wrote:
>>>> I have a domain with PCI pass-through, and i would like to save it,
>>>> and restore it later (maybe even after rebooting the dom0). Is it
>>>> possible to do this using 'xm save' & 'xm restore', although my domain
>>>> has PCI pass through?
>>>
>>> You'll need to make sure the physical devices are shutdown. The best way of
>>> doing this is to hot unplug them. You could also achieve this by putting the
>>> VM into S3 sleep before doing the save.
>>>
>>> Ian
>>>
>>
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>> http://lists.xensource.com/xen-devel
>
>
>

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