Hello, Naresh. On Thu, Nov 14, 2019 at 11:02:53AM +0530, Naresh Kamboju wrote: > [ 0.015402] WARNING: CPU: 0 PID: 0 at /usr/src/kernel/kernel/cgroup/cgroup.c:1969 > cgroup_setup_root+0x36c/0x4e8 ... > [ 0.015726] [<c053ac48>] (cgroup_setup_root) from [<c1c2a260>] > (cgroup_init+0x108/0x560) So, that's saying that the initial kernfs_node ino allocation returned something other than 1. Hmmm... x86_32 works fine. What does the following say? # mkdir -p /tmp/cgroup2 # mount -t cgroup2 none /tmp/cgroup2 # ls -lid /tmp/cgroup2 Thanks. -- tejun