配置cgroup时启动挂在有问题，求解答啊

Question

[root@centos-lege ~]# mount none -t cgroup /cgroup
mount: none already mounted or /cgroup busy
[root@centos-lege ~]# /etc/init.d/cgconfig status
Running
[root@centos-lege ~]# /etc/init.d/cgconfig stop
Stopping cgconfig service:                                 [  OK  ]
[root@centos-lege ~]# /etc/init.d/cgconfig status
Stopped
[root@centos-lege ~]# mount none -t cgroup /cgroup
[root@centos-lege ~]# /etc/init.d/cgconfig start
Starting cgconfig service: Error: cannot mount cpuset to /cgroup/cpuset: Device or resource busy
/sbin/cgconfigparser; error loading /etc/cgconfig.conf: Cgroup mounting failed
Failed to parse /etc/cgconfig.conf or /etc/cgconfig.d      [FAILED]

以上是我具体配置和报错，请大神帮忙解答啊！！小弟跪谢！！！

Answer 1

见我的这篇文章 http://seanlook.com/2014/10/26/docker-installed-centos6-successfully/#6-_%E5%BC%82%E5%B8%B8 ，可能是你内核编译缺少模块