From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Serge E. Hallyn" Subject: Re: cgroup tasks file error Date: Mon, 13 Dec 2010 17:16:28 -0600 Message-ID: <20101213231628.GA8624@hallyn.com> References: <149701.57773.qm@web34208.mail.mud.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: Content-Disposition: inline In-Reply-To: <149701.57773.qm-VjZBGxy5l2evuULXzWHTWIglqE1Y4D90QQ4Iyu8u01E@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: ccmail111 Cc: containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org List-Id: containers.vger.kernel.org Quoting ccmail111 (ccmail111-/E1597aS9LQAvxtiuMwx3w@public.gmane.org): > = > I see error:[host:/dev/cgroup]$ echo 693 > hello-test/tasks > -bash: echo: write error: No space left on device > [host:/dev/cgroup]$ pwd/dev/cgroup > = > But the user process is up and running.. > = > [host:/dev/cgroup]$ ps aux | grep procroot =A0 =A0 =A0 = > = > 693 =A00.0 =A00.4 =A034720 =A01112 ttyS0 =A0 =A0Sl =A0 19:11 =A0 0:00 /op= t/bin/myproc -ext > = > Also the cgroup exists and valid.. > = > [host:/dev/cgroup]$ ls | grep hello-test > hello-test > = > What above error mean and any suggestions ? > Please email. Which cgroups do you have composed on that mount? I'm guess you have cpuset, and you need to set the cpuset.mems and cpuset.cpus. Until you do that, no tasks can be assigned to it. -serge