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[Serge Hallyn <1514690@xxxxxxxxxxxxxxxxxx>]

Doh', it's because I had a total brainfart while writing that.

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https://bugs.launchpad.net/bugs/1514690

Title:
  rebooting container with systemd >= 226 fails to create /lxc/adt-
  xenial/init.scope control group

Status in lxc package in Ubuntu:
  Triaged

Bug description:
  Even after fixing bug 1497420 rebooting containers with systemd >= 226
  (i. e. with supporting unified cgroups) does not work. Build a
  standard xenial container (using the ubuntu template; e. g. "adt-
  build-lxc ubuntu xenial"), start it:

    sudo lxc-start -n adt-xenial -F

  then log in and run "sudo reboot". It shuts down, but reboot fails
  with

  Rebooting.
  systemd 227 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID -ELFUTILS +KMOD -IDN)
  Detected virtualization lxc.
  Detected architecture x86-64.

  Welcome to Ubuntu 16.04!

  Set hostname to <adt-xenial.new>.
  Failed to install release agent, ignoring: No such file or directory
  Failed to create /lxc/adt-xenial/init.scope control group: No such file or directory
  Failed to allocate manager object: No such file or directory
  [!!!!!!] Failed to allocate manager object, freezing.
  Freezing execution.

  During that time, I get the following errors:

  Nov 09 08:42:31 donald cgmanager[864]: cgmanager: Invalid path /run/cgmanager/fs/none,name=systemd///lxc/adt-xenial/init.scope (No such file or directory)
  Nov 09 08:42:31 donald cgmanager[864]: cgmanager:list_children_main: Could not determine the requested cgroup (name=systemd:lxc/adt-xenial/init.scope)
  Nov 09 08:42:31 donald cgmanager[864]: cgmanager: Invalid path /run/cgmanager/fs/none,name=systemd///lxc/adt-xenial/init.scope (No such file or directory)
  Nov 09 08:42:31 donald cgmanager[864]: cgmanager:list_keys_main: Could not determine the requested cgroup (name=systemd:lxc/adt-xenial/init.scope)
  Nov 09 08:42:31 donald lxcfs[882]: ** (process:882): WARNING **: cgmanager method call org.linuxcontainers.cgmanager0_0.ListChildren failed: GDBus.Error:org.freedesktop.DBus.Error.InvalidArgs: invalid request. Use G_DBUS_DEBUG=message for more info.
  Nov 09 08:42:31 donald lxcfs[882]: ** (process:882): WARNING **: cgmanager method call org.linuxcontainers.cgmanager0_0.ListKeys failed: GDBus.Error:org.freedesktop.DBus.Error.InvalidArgs: invalid request. Use G_DBUS_DEBUG=message for more info.h

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: lxc 1.1.5-0ubuntu1
  ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
  Uname: Linux 4.2.0-16-generic x86_64
  ApportVersion: 2.19.2-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Tue Nov 10 06:30:28 2015
  EcryptfsInUse: Yes
  SourcePackage: lxc
  UpgradeStatus: No upgrade log present (probably fresh install)
  defaults.conf:
   lxc.network.type = veth
   lxc.network.link = lxcbr0
   lxc.network.flags = up
   lxc.network.hwaddr = 00:16:3e:xx:xx:xx
  lxc.conf: lxc.lxcpath = /srv/lxc

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