[Users] Openvz 7 cgroup problem in Centos 8 container

[Vasily Averin]

Dear Peter,
please report about problems via https://bugs.openvz.org
also please tell us which kernel version was used on affected node.

Thank you,
	Vasily Averin

On 6/19/20 12:32 AM, Peter Schultze wrote:
> Hello,
> 
> in a Centos 8 container installed from the template centos-8-x86_64-ez-7.0.0-6.vz7
> and configured as an NIS client:
> 
> user login by ssh is delayed by 15 to 30 seconds and accompanied by the following error messages:
> 
> systemd[797]: Failed to create /user.slice/user-10042.slice/user at 10042.service/init.scope control group: Permission denied
> systemd[797]: Failed to allocate manager object: Permission denied
> 
> This appears to be related to the fact that /sys/fs/cgroup/user.slice does not exist and /sys/fs/cgroup is mounted read-only:
> 
> # mount | grep cgroup
> none on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec)
> 
> Is this a known problem, and is there a fix or work-around?
> 
> Thanks,  Peter S.
> 
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