Could it be a RHEL7 specific issue?
no - centos7 systems here, and pam_adopt works.[hahn@gra799 ~]$ cat /proc/self/cgroup 11:memory:/slurm/uid_3000566/job_17268219/step_extern
10:net_prio,net_cls:/ 9:pids:/ 8:perf_event:/ 7:hugetlb:/ 6:blkio:/ 5:freezer:/slurm/uid_3000566/job_17268219/step_extern 4:devices:/slurm/uid_3000566/job_17268219/step_extern 3:cpuset:/slurm/uid_3000566/job_17268219/step_extern 2:cpuacct,cpu:/ 1:name=systemd:/system.slice/sshd.service regards, mark hahn