[systemd-devel] Failed to add PIDs to scope's control group: No such process

[Gena Makhomed]

On 03.02.2022 18:39, Gena Makhomed wrote:

> Periodically I see in /var/log/messages error message about
> 
> Failed to add PIDs to scope's control group: No such process
> Failed with result 'resources'.
> 
> How I can resolve or workaround this error?
> 
> # rpm -q systemd
> systemd-239-51.el8_5.3.x86_64
> 
> # cat /var/log/messages
> Feb  3 18:13:36 server systemd-logind[2981]: New session 14287 of user 
> root.
> Feb  3 18:14:26 server systemd[1]: Started User runtime directory 
> /run/user/0.
> Feb  3 18:14:26 server systemd[1]: Starting User Manager for UID 0...
> Feb  3 18:14:28 server systemd[1]: Started User Manager for UID 0.
> Feb  3 18:14:28 server systemd[1]: session-14287.scope: Failed to add 
> PIDs to scope's control group: No such process
> Feb  3 18:14:28 server systemd[1]: session-14287.scope: Failed with 
> result 'resources'.

I found workaround for this issue:

# loginctl show-user root | grep Linger
Linger=no

# loginctl enable-linger root

# loginctl show-user root | grep Linger
Linger=yes

After enabling linger - no more such errors in /var/log/messages

-- 
Best regards,
  Gena