[CRIU] Can’t pause restored containers (no entry in /sys/fs/cgroup/freezer/docker/ )

Pavel Emelyanov xemul at parallels.com
Mon Sep 7 01:38:30 PDT 2015


On 09/06/2015 12:42 AM, Francisco Tolmasky wrote:
> It seems that when I restore from a checkpoint, no entry is placed in
> /sys/fs/cgroup/freezer/docker/, which leads to me not being able to pause
> the container.

Were these tasks in that cgroup before dump?

> I’ve seen some cgroup commits going by here, is this related/already being
> addressed?
> 
> BTW, I’ve tried first making a container, then restoring into it to try to
> get my freezer entry, but restore is crashing for an unrelated reason when
> I do that (we’ve only ever restored from start in our use case so not sure 
> at all what that is about).
> 
> Thanks,
> 
> Francisco
> 
> -- 
> Francisco Tolmasky
> www.tolmasky.com <http://www.tolmasky.com>
> tolmasky at gmail.com <mailto:tolmasky at gmail.com>
> 
> 
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