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Re: [libvirt] [PATCH 8/9] qemu: Update domain status to paused while suspend event is emitted



On 03/12/2012 08:07 AM, Paolo Bonzini wrote:
> Il 12/03/2012 14:58, Eric Blake ha scritto:
>>>> If not, perhaps a
>>>>>> different state should be added so that "virsh resume" can look at the
>>>>>> state and issue the appropriate monitor command (or alternatively, it
>>>>>> could be considered a QEMU bug).
>>>>
>>>> We have the paused reason. And the patch which should be
>>>> squashed in in the attachment.
>>>>
>>>> But I'm interested in trying if "virsh resume" wakeup a
>>>> domain pasued by SUSPEND event.
>> It won't.  To wake up a guest in S3 suspension, you need the pmwakeup
>> command, or else a timer or input device wakeup trigger.  'virsh resume'
>> only wakes up a paused guest, not a power-management suspended guest.
> 
> Also considering the autowakeup, I think PAUSED is the wrong state for a
> pm-suspended domain.  It should just stay RUNNING.

Either it stays RUNNING (because we add no new states), or we add a new
state (perhaps PMSUSPEND), and leave the new state when we receive the
event telling us that an autowakeup occurred.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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