Hi Martin, The ssh session controller here is different from yours:
$ egrep 'systemd|pids' /proc/self/cgroup 11:pids:/system.slice/ssh.service 1:name=systemd:/system.slice/ssh.service $ cat /sys/fs/cgroup/pids/system.slice/pids.max max $ cat /sys/fs/cgroup/pids/system.slice/ssh.service/pids.max 512 Here are the evidences you requested (journal.txt is attached above this comment): $ cat /proc/self/cgroup 11:perf_event:/ 10:blkio:/ 9:memory:/ 8:net_cls,net_prio:/ 7:freezer:/ 6:cpuset:/ 5:cpu,cpuacct:/ 4:devices:/system.slice/ssh.service 3:hugetlb:/ 2:pids:/system.slice/ssh.service 1:name=systemd:/system.slice/ssh.service No error messages in "sudo journalctl -t sshd": $ sudo journalctl -t sshd -l -- Logs begin at Wed 2016-03-30 09:55:43 BRT, end at Wed 2016-03-30 10:01:01 BRT. -- Mar 30 09:55:44 gromero2 sshd[1902]: Server listening on 0.0.0.0 port 22. Mar 30 09:55:44 gromero2 sshd[1902]: Server listening on :: port 22. Mar 30 09:57:29 gromero2 sshd[1942]: Accepted publickey for gromero from 192.168.122.1 port 46308 ssh2: RSA SHA256:KD/WZk56NzE26ubz6Aw8LE1RdJfeQlRzJ36wwYHyE0c Mar 30 09:57:29 gromero2 sshd[1942]: pam_unix(sshd:session): session opened for user gromero by (uid=0) $XDG_SESSION_ID is unset, echo $XDG_SESSION_ID shows nothing. $ sudo journalctl -t systemd-logind -- Logs begin at Wed 2016-03-30 09:55:43 BRT, end at Wed 2016-03-30 10:03:34 BRT. -- Mar 30 09:55:44 gromero2 systemd-logind[1780]: New seat seat0. $ loginctl SESSION UID USER SEAT 0 sessions listed. $ loginctl show-session $XDG_SESSION_ID EnableWallMessages=no NAutoVTs=6 KillExcludeUsers=root KillUserProcesses=no RebootToFirmwareSetup=no IdleHint=yes IdleSinceHint=0 IdleSinceHintMonotonic=0 InhibitDelayMaxUSec=5s HandlePowerKey=poweroff HandleSuspendKey=suspend HandleHibernateKey=hibernate HandleLidSwitch=suspend HandleLidSwitchDocked=ignore HoldoffTimeoutUSec=30s IdleAction=ignore IdleActionUSec=30min PreparingForShutdown=no PreparingForSleep=no Docked=no Thank you! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1561658 Title: ppc64el ssh sessions don't run in session cgroup but in sshd's To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1561658/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs