[vfio-users] Suspending host with guest still running?

[Quentin Deldycke]

Hello,

As i sayed, the suspend of the vm with the host seems quite reliable.

systemd is not my favorite thing, but i manage to make working hooks.

Available if some are interested. Mainly all my script are made to be run
from my /home/rholk/sbin or /home/rholk/sbin/vmdata if never called from
shell.

https://github.com/qdel/scripts

Most scripts are dirty, but it work flawlessly with a few adaptations :)

--
Deldycke Quentin


On 19 February 2016 at 17:06, Quentin Deldycke <quentindeldycke at gmail.com>
wrote:

> In fact, i was too exited to test this, so using only ssh / vnc:
>
>    - If i let the vm "normal", it is freezed at restart of host
>    - If i use virsh suspend / start, it is also freezed
>    - But: if i re-enable suspend to ram, and put the windows to sleep,
>    then the linux, restart the linux (waiting ~1-2minutes), restart the guest:
>    it works \o/
>
> Actually, the vfio-pci devices work, gpu, ssd, and sata controller. I need
> to be in front to check if my mouse move and my keyboard work :)
>
>
> This is brilliant! With the correct hooks on suspend / resume, it could
> one of the last limitation of this technology =)
>
> I will share on github such hooks if they work.
>
> --
> Deldycke Quentin
>
>
> On 19 February 2016 at 15:36, Rokas Kupstys <rokups at zoho.com> wrote:
>
>> You probably could if guest did not use any passed-through devices. If it
>> does use them there will be trouble.
>>
>>
>> On 2016.02.19 16:29, Quentin Deldycke wrote:
>>
>> Hello,
>>
>> Is it possible to have the guest still working while putting the host to
>> sleep? And still working at restart?
>>
>> I can suspend my host, but guest is blocked when it is back. For the
>> moment, i start / shudown the guest any time i want to put the host to
>> sleep.
>>
>> Do i need to suspend the guest also and make it restart after?
>>
>> (Note that i forward quite a lot of stuff, R9 290 / nvme ssd / sata
>> controler / usb devices)
>>
>> I ask the question because of the mail:
>> https://www.redhat.com/archives/vfio-users/2015-December/msg00059.html
>> --
>> Deldycke Quentin
>>
>>
>>
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