[Bug 1668724] Re: fails to mount cgroupfs inside containers running on 16.04
Serge Hallyn
1668724 at bugs.launchpad.net
Sat Mar 4 04:05:30 UTC 2017
This bug incidentally also affects the cgroupfs-mount package.
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https://bugs.launchpad.net/bugs/1668724
Title:
fails to mount cgroupfs inside containers running on 16.04
Status in cgroup-lite package in Ubuntu:
Triaged
Status in cgroup-lite source package in Precise:
New
Status in cgroup-lite source package in Trusty:
New
Status in cgroup-lite source package in Xenial:
New
Status in cgroup-lite source package in Yakkety:
New
Bug description:
I need to run nested Ubuntu 12.04 and 14.04 containers on 16.04 hosts,
and have noticed that the cgroups-mount script for mounting the
cgroups inside the containers has stopped working. This is because
systemd now comounts multiple controllers on a single hierarchy, which
prevents mounting them individually inside the container.
=========== SRU Justification ================
Impact: nested containers fail to start
Reproduce: create a root owned container; install lxc and cgroup-lite; create a container, and try to start it. Starting will fail if cgroup-lite is running in the first level container without this patch.
Regression potential: should be low, it's possible that the regexp is simply wrong for some cases.
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