gistfile1.txt

cgmanager: Failed mounting /run/cgmanager/fs/cpuset: Device or resource busy
cgmanager: Failed mounting cgroups
cgmanager: Failed to set up cgroup mounts
cgmanager: Failed mounting /run/cgmanager/fs/cpuset: Device or resource busy
cgmanager: Failed mounting cgroups
cgmanager: Failed to set up cgroup mounts
cgmanager: Failed mounting /run/cgmanager/fs/cpuset: Device or resource busy
cgmanager: Failed mounting cgroups
cgmanager: Failed to set up cgroup mounts

out

$ ls -lh /sys/fs/cgroup

drwxr-xr-x 2 root root 60 Jul 16 10:42 cgmanager/
-rw-r--r-- 1 root root  1 Jul 16 06:23 memory.use_hierarchy
drwxr-xr-x 3 root root  0 Jul 16 06:23 systemd/


$ cat /proc/mounts | grep cgroup

cgroup /sys/fs/cgroup cgroup rw,relatime,hugetlb,perf_event,blkio,freezer,devices,memory,cpuacct,cpu,cpuset 0 0
cgroup /sys/fs/cgroup tmpfs rw,relatime,size=12k 0 0
systemd /sys/fs/cgroup/systemd cgroup rw,nosuid,nodev,noexec,relatime,release_agent=/run/cgmanager/agents/cgm-release-agent.systemd,name=systemd 0 0


$ cat /etc/fstab

# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
# / was on /dev/sda7 during installation
UUID=41094259-21d1-42df-b44d-cbd9dfed61f4 /               ext4    errors=remount-ro 0       1
# swap was on /dev/sda6 during installation
UUID=5175f7d3-c003-487b-99f0-f7e9bbcd8a4c none            swap    sw              0       0
cgroup /sys/fs/cgroup cgroup defaults 0 0