[CRIU] Suspend entire X session

[Ruslan Kuprieiev]

Hi Justin!

Dumping the entire Xserver is problematic, as it uses a variety of 
devices that we don't currently
support(i.e. gpu). It actually looks like dumping Xapp is a lot easier 
then dumping entire X server,
still, it requires good knowledge of X internals.

Thanks,
Ruslan

On 02/26/2015 01:08 AM, Justin Garrison wrote:
> I just learned about criu this weekend and immediately thought of a 
> use case for myself.
>
> I would like to suspend the entire X session to disk, run a lot of HPC 
> workloads with high CPU and RAM requirements for 10-12 hours (possibly 
> from runlevel 3), and then restore the X session. I saw in the usage 
> scenarios it wouldn't work for specific applications but would it be 
> possible for the entire X session? I also saw the note about 
> dump/restore of apps connected to an Xserver not being possible but I 
> don't know if it would be any different when dumping the entire Xserver.
>
> Does anyone have experience doing this or know if it would/wouldn't 
> work? Thanks
>
> --
> Justin Garrison
>
>
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