Comment # 5 on bug 1227223 from Dan Čermák

(In reply to Walddys Emmanuel Dorrejo Céspedes from comment #4)
> Hello, Have the same issue, and looks like nobody of openSUSE team is
> following this.
> 
> `memory.stat: no such file or directory`
> 
> in the folder: /sys/fs/cgroup/ appear all cgroups
> 
> but in folder: /sys/fs/cgroup/user.slice: it would not be added io and
> memory.

Which OS are you on and what's the systemd version that you are running?