On Wed, Jan 19, 2011 at 12:20, Chanwoo Choi <cwchoi00 at gmail.com> wrote: > I solved this error. The cause of error is that my system don't open directory > with flag(O_NOCTTY, O_NONBLOCK, O_DIRECTORY) in manager_setup_cgroup(). (in src/cgroup.c) > I will find the reason of it on my system. What kind of libc are you using? Kay