Public bug reported:
After rebooting a KVM instance hosting LXCs, we get the following error:
$ sudo lxc-ls --fancy
lxc: cgmanager.c: lxc_cgmanager_escape: 331 call to
cgmanager_move_pid_abs_sync(name=dsystemd) failed: invalid request
and the LXCs won't start up. In the error logs it showed:
lxc-start 1487906073.534 ERROR lxc_cgfs -
cgfs.c:lxc_cgroupfs_create:873 - Could not find writable mount point for
cgroup hierarchy 11 while trying to create cgroup.
The only way I could get the lxcs started was to stop and start
cgmanager, just a simple restart wasn't sufficient.
Please let me know if you need any further information.
$ lsb_release -a
Description: Ubuntu 14.04.5 LTS
Release: 14.04
$ dpkg-query -W systemd
systemd 204-5ubuntu20.24
$ dpkg-query -W cgmanager
cgmanager 0.24-0ubuntu7.5
$ dpkg-query -W lxc
lxc 1.0.9-0ubuntu2
$ uname -a
Linux infra 3.13.0-110-generic #157-Ubuntu SMP Mon Feb 20 11:54:05 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
** Tags: canonical-bootstack
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https://bugs.launchpad.net/bugs/1668123
Title:
lxc fails to start with cgroup error
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