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[Martin Pitt <martin.pitt@xxxxxxxxxx>]

*** This bug is a duplicate of bug 1350947 ***
    https://bugs.launchpad.net/bugs/1350947

** This bug is no longer a duplicate of bug 1325468
   [systemd] container startup fails with AppArmor
** This bug has been marked a duplicate of bug 1350947
   apparmor: no working rule to allow making a mount private

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https://bugs.launchpad.net/bugs/1325470

Title:
  [systemd] error 5 creating /usr/lib/x86_64-linux-
  gnu/lxc/dev/lxc/console after failed container startup

Status in “lxc” package in Ubuntu:
  New

Bug description:
  LXC containers fail to start up with systemd. After setting up lxcbr0
  manually (bug 1312532) and adjusting the AppArmor profile (bug
  1325468) they fail with:

  $ sudo strace -fvvs1024 -o /tmp/t lxc-start -n debci
  lxc-start: Device or resource busy - failed to set memory.use_hierarchy to 1; continuing
  lxc-start: Device or resource busy - failed to set memory.use_hierarchy to 1; continuing
  lxc-start: Input/output error - error 5 creating /usr/lib/x86_64-linux-gnu/lxc/dev/lxc/console
  lxc-start: failed to setup the console for 'debci'
  lxc-start: failed to setup the container
  lxc-start: invalid sequence number 1. expected 2
  lxc-start: failed to spawn 'debci'

  strace shows:
  10421 mkdir("/usr/lib/x86_64-linux-gnu/lxc/dev/lxc", 0755) = -1 EEXIST (File exists)
  10421 unlink("/usr/lib/x86_64-linux-gnu/lxc/dev/console") = -1 ENOENT (No such file or directory)
  10421 creat("/usr/lib/x86_64-linux-gnu/lxc/dev/lxc/console", 0660) = -1 EIO (Input/output error)

  Indeed /usr/lib/x86_64-linux-gnu/lxc/dev/ does not have a "console"
  (while my /dev does).

  There is no relevant error in dmesg:
  [ 1238.586524] device vethLLNW81 entered promiscuous mode
  [ 1238.587813] IPv6: ADDRCONF(NETDEV_UP): vethLLNW81: link is not ready
  [ 1238.627543] IPv6: ADDRCONF(NETDEV_CHANGE): vethLLNW81: link becomes ready
  [ 1238.627671] lxcbr0: port 1(vethLLNW81) entered forwarding state
  [ 1238.627712] lxcbr0: port 1(vethLLNW81) entered forwarding state
  [ 1238.671822] lxcbr0: port 1(vethLLNW81) entered disabled state
  [ 1238.674607] device vethLLNW81 left promiscuous mode
  [ 1238.674676] lxcbr0: port 1(vethLLNW81) entered disabled state

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