On Thu, Jul 24, 2014 at 2:35 PM, Andrew Rose <andreyrose at gmail.com> wrote: > may be it becose log have strange error > cannot open: /sys/fs/cgroup/cpuset/test/tasks > http://pastebin.com/raw.php?i=meCsxh8u That is related to cgroups. Did you setup the cgroups prior to enabling them? If not I'd suggest to remove cgroups from your configuration. regards, Nikos