Hey Pauk, On Fri, Dec 27, 2013 at 6:49 PM, Paul Wexler <[email protected]> wrote: > Hello lxc community, > > Has anyone used nested containers? > > I am trying with limited success. I cannot re-start them. > I can: > 1. create a container. > 2. configure it for nesting (I uncomment 2 lines in config). > 3. start the container. > 4. stop the container. > 5. but I cannot re-start the container. > > However, if I do not configure the container for nesting then > I can stop and re-start the container repeatedly without errors. > > Specifically, the following command line sequence fails on the > second lxc-start (please note I do not show the normal lxc- > output below, only the error msg): > > # lxc-create -t ubuntu -n C00 > # X="lxc.aa_profile = lxc-container-default-with-nesting" > # sed -i -e "s/^#$X/$X/" /var/lib/lxc/C00/config > # X="lxc.hook.mount = /usr/share/lxc/hooks/mountcgroups" > # sed -i -e "s/^#$X/$X/" /var/lib/lxc/C00/config > # lxc-start -d -n C00 > # lxc-stop -n C00 > # lxc-start -d -n C00 > lxc-start: command get_cgroup failed to receive response
I believe this issue fixed after alpha has been released [1] so could you try replacing your mountcgroups hook with [2] and try again to see what will happen? > When I start the container the first time, lxc-ls --fancy > displays the container's IP address. Then I can ssh to the > container as 'ubuntu', install packages there such as lxc, > and even create containers there, the container is working > just fine. > > But once I stop the container I can never start it again. > Always with the same get_cgroup error as above. > > I am using: > lxc version == '1.0.0.alpha2' > kernel == 3.11.0-12-generic > > Any ideas/suggestions on how one might re-start such a container? > Thank you. > > > _______________________________________________ > lxc-devel mailing list > [email protected] > http://lists.linuxcontainers.org/listinfo/lxc-devel > [1] https://github.com/lxc/lxc/commit/fa7fced87899ae37f193c81115543d1df5c28fbb [2] https://raw.github.com/lxc/lxc/master/hooks/mountcgroups Best, -- S.Çağlar Onur <[email protected]> _______________________________________________ lxc-devel mailing list [email protected] http://lists.linuxcontainers.org/listinfo/lxc-devel
