| Re: cgroup tasks file error [message #41932 is a reply to message #41930] |
Tue, 14 December 2010 01:27   |
ccmail111
Messages: 10
Registered: December 2010
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Junior Member |
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Hi Serge,
Now I cannot move the pid out of the assigned group !
[host:/dev/cgroup]$ cat cpuset.cpus
0
[host:/dev/cgroup]$ cat cpuset.mems
0
[host:/dev/cgroup]$ cat hello/tasks
580
[host:/dev/cgroup]$ echo 580 > tasks
-bash: echo: write error: Operation not permitted
[host:/dev/cgroup]$
[host:/dev/cgroup]$ cd hello
[host:/dev/cgroup/hello]$ cat cpuset.cpus
0
[host:/dev/cgroup/hello]$ cat cpuset.mems
0
[host:/dev/cgroup/hello]
--- On Mon, 12/13/10, ccmail111 <ccmail111@yahoo.com> wrote:
> From: ccmail111 <ccmail111@yahoo.com>
> Subject: Re: cgroup tasks file error
> To: "Serge E. Hallyn" <serge.hallyn@canonical.com>
> Cc: containers@lists.linux-foundation.org
> Date: Monday, December 13, 2010, 8:23 PM
> Hi Serge,
>
> Thanks for quick response.
>
> I had mounted as:
>
> mount -t cgroup cpuset /dev/cgroup
>
> After setting below, it works.
> Thank you for helpful tip !
>
>
> --- On Mon, 12/13/10, Serge E. Hallyn <serge.hallyn@canonical.com>
> wrote:
>
> > From: Serge E. Hallyn <serge.hallyn@canonical.com>
> > Subject: Re: cgroup tasks file error
> > To: "ccmail111" <ccmail111@yahoo.com>
> > Cc: containers@lists.linux-foundation.org
> > Date: Monday, December 13, 2010, 6:16 PM
> > Quoting ccmail111 (ccmail111@yahoo.com):
> > >
> > > 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
>
> > >
> > > 693 0.0 0.4 34720 1112 ttyS0 Sl
> 19:11
> > 0:00 /opt/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
> >
>
>
>
>
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