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xen-devel
[Xen-devel] Re: pause PV domain with pci passthrough
Hmm save isn't allowed with a pci device passed through:
#xm save 14 /tmp/savedomain.xen
Error: Migration not permitted with assigned PCI device.
Would perhaps be wise to do that for pause as well when a pci device is
assigned ?
--
Sander
Tuesday, November 30, 2010, 1:36:59 PM, you wrote:
> On 30/11/2010 12:14, "Sander Eikelenboom" <linux@xxxxxxxxxxxxxx> wrote:
>> Hi Keir/Konrad,
>>
>> Should it be possible to pause a PV domain ("xm pause") when it has pci
>> devices passed through ?
>> If not, should it work with a HVM with pci passthrough ?
>>
>> Trying with a PV domain gave troubles so far.
> It might give problems with pending pass-thru interrupts not getting handled
> by the paused domain? That could block other, more critical interrupts, like
> for disc controllers in dom0. Just a theory. I wouldn't generally recommend
> pausing any domain, as a guest OS could get upset getting descheduled for
> significant periods of time without being told about it (as a PV guest is
> for save/restore).
> -- Keir
>> --
>> Sander
>>
--
Best regards,
Sander mailto:linux@xxxxxxxxxxxxxx
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