[Lxc-users] cgroups permission problem

[Serge Hallyn]

Quoting John (john at neutrondawn.com):
> I am in fact able to write to the file.  its initial state is empty.

The initial state of which file is empty -
/cgroup/cpuset/lxc/cpuset.cpus, or /cgroup/cpuset/lxc/GE/cpuset.cpus?
If the former, then that's the problem.  That file should have been
initialized earlier.  /x/y/z/ is not allowed to use cpus which are
not authorized for use by /x/y.

> On 2013-10-10 09:24, Serge Hallyn wrote:
> >Quoting John (john at neutrondawn.com):
> >>Greetings LXC,
> >>im having problems getting my container operational on centos.
> >>cgconfig
> >>and cgred are both running. the error is as follows during startup
> >>attempts:
> >>
> >>  lxc-start 1381364626.764 DEBUG    lxc_cgroup -
> >>cgroup_path_get: called
> >>for subsys cpuset name lxc/GE
> >>
> >>       lxc-start 1381364626.764 DEBUG    lxc_cgroup - using cgroup
> >>mounted at '/cgroup/cpuset'
> >>       lxc-start 1381364626.764 DEBUG    lxc_cgroup - cgroup_path_get:
> >>returning /cgroup/cpuset/lxc/GE for subsystem cpuset.cpus
> >>       lxc-start 1381364626.764 ERROR    lxc_cgroup - Permission
> >>denied -
> >>write /cgroup/cpuset/lxc/GE/cpuset.cpus : Permission denied
> >>       lxc-start 1381364626.764 ERROR    lxc_conf - Error setting
> >>cpuset.cpus to 0,1,2,3,4,5,6 for lxc/GE
> >
> >Whatis in /cgroup/cpuset/lxc/cpuset.cpus?  Are you able to manually
> >write to that file?