Due to commit 7062c75, it is not possible update kmem on ppc64le. Reverted the commit against the master HEAD makes it works again,
[root@ibm-p8-01-lp6 ~]# runc run -d root
[root@ibm-p8-01-lp6 ~]# runc update --kernel-memory 52428800 root
failed to set memory.kmem.limit_in_bytes, because either tasks have already joined this cgroup or it has children
Due to commit 7062c75, it is not possible update kmem on ppc64le. Reverted the commit against the master HEAD makes it works again,
[root@ibm-p8-01-lp6 ~]# runc run -d root [root@ibm-p8-01-lp6 ~]# runc update --kernel-memory 52428800 root failed to set memory.kmem.limit_in_bytes, because either tasks have already joined this cgroup or it has children
config.json.txt
@crosbymichael @hqhq