Quoting ccmail111 (ccmail111@xxxxxxxxx): > > Isn't ns mounted by default ? I thought that in an earlier email you said you had done mount -t cgroup cpuset -ocpuset /dev/cgroup in which case ns would not be mounted. But note, we DO NOT want you to have ns mounted :) > I rebooted machine, > based on 2.6.32 kernel. > > Then, > > [host:~]$ mkdir /dev/cgroup > [host:~]$ mount -t cgroup cpuset -ocpuset,ns /dev/cgroup > [host:~]$ ps aux | grep libvirt > root 575 0.6 0.9 88816 2216 ? Sl 17:28 0:00 myproc --daemon > root 654 0.0 0.2 4044 664 ttyS0 S+ 17:29 0:00 grep libvirt > [host:~]$ mkdir /dev/cgroup/hello > [host:~]$ cat /dev/cgroup/hello/tasks > [host:~]$ echo 0 > /dev/cgroup/hello/cpuset.cpus > [host:~]$ echo 0 > /dev/cgroup/hello/cpuset.mems > [host:~]$ echo 575 > /dev/cgroup/hello/tasks > [host:~]$ cat /dev/cgroup/hello/tasks > 575 > [host:~]$ id > uid=0(root) gid=0(root) groups=0(root) > [host:~]$ > > Now, I try to move the task out - the parent/root: > > [host:~]$ echo 575 > /dev/cgroup/tasks > -bash: echo: write error: Operation not permitted > > > Any thoughts !? Yes, ns cgroup is forbidding you from moving back :) Mount without it. -serge _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers
