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[Launchpad Bug Tracker <1378738@xxxxxxxxxxxxxxxxxx>]

[Expired for lxc (Ubuntu) because there has been no activity for 60
days.]

** Changed in: lxc (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1378738

Title:
  guest os boot stuck with mount operation error

Status in lxc package in Ubuntu:
  Expired

Bug description:
  I'm trying to migrate an OS running on a physical machine to an LXC container, but no luck so far. Right now the system gets stuck somewhere during lxc-start:
  <...>

   * Stopping cgroup management proxy   ...done.
   * Starting load modules from /etc/modules   ...done.
   * Stopping Mount network filesystems   ...done.
   * Starting set sysctls from /etc/sysctl.conf   ...done.
   * Stopping set sysctls from /etc/sysctl.conf   ...done.
   * Stopping load modules from /etc/modules   ...done.
   * Starting configure network device   ...done.
   * Starting Bridge socket events into upstart   ...done.

  <hangs indefinitely here>

  Both host and guest are running ubuntu 14.04 LTS and same guest boots
  properly via VirtualBox... kern.log shows some issues with mounts:

  Oct  7 10:35:45 ares kernel: [138643.960789] device veth0RG5HU entered promiscuous mode
  Oct  7 10:35:45 ares kernel: [138643.961450] IPv6: ADDRCONF(NETDEV_UP): veth0RG5HU: link is not ready
  Oct  7 10:35:45 ares kernel: [138643.987832] EXT4-fs (dm-5): couldn't mount as ext3 due to feature incompatibilities
  Oct  7 10:35:45 ares kernel: [138643.987967] EXT4-fs (dm-5): couldn't mount as ext2 due to feature incompatibilities
  Oct  7 10:35:45 ares kernel: [138643.988322] EXT4-fs (dm-5): mounted filesystem with ordered data mode. Opts: (null)
  Oct  7 10:35:45 ares kernel: [138644.002660] IPv6: ADDRCONF(NETDEV_CHANGE): veth0RG5HU: link becomes ready
  Oct  7 10:35:45 ares kernel: [138644.002702] lxcbr0: port 1(veth0RG5HU) entered forwarding state
  Oct  7 10:35:45 ares kernel: [138644.002719] lxcbr0: port 1(veth0RG5HU) entered forwarding state
  Oct  7 10:35:46 ares kernel: [138644.340780] type=1400 audit(1412670946.254:113): apparmor="DENIED" operation="mount" info="failed type match" error=-13 profile="lxc-container-default" name="/run/cgmanager/fs/none,name=systemd/" pid=399 comm="cgmanager" fstype="cgroup" srcname="none,name=systemd" flags="rw"
  Oct  7 10:36:00 ares kernel: [138659.015558] lxcbr0: port 1(veth0RG5HU) entered forwarding state

  Here is the container's configuration file:
  lxc.include = /usr/share/lxc/config/ubuntu.common.conf

  lxc.network.type = veth
  lxc.network.flags = up
  lxc.network.link = lxcbr0
  lxc.utsname = myvm

  lxc.autodev = 1
  lxc.tty = 4
  lxc.pts = 1024
  lxc.rootfs = /dev/mapper/ubuntu--vmvg-lvroot
  lxc.arch = x86_64 
  lxc.cap.drop = sys_module mac_admin

  #lxc.aa_profile = lxc-container-default-with-mounting
  lxc.cgroup.devices.deny = a
  # Allow any mknod (but not using the node)
  lxc.cgroup.devices.allow = c *:* m
  lxc.cgroup.devices.allow = b *:* m
  # /dev/null and zero
  lxc.cgroup.devices.allow = c 1:3 rwm
  lxc.cgroup.devices.allow = c 1:5 rwm
  # consoles
  lxc.cgroup.devices.allow = c 5:1 rwm
  lxc.cgroup.devices.allow = c 5:0 rwm
  #lxc.cgroup.devices.allow = c 4:0 rwm
  #lxc.cgroup.devices.allow = c 4:1 rwm
  # /dev/{,u}random
  lxc.cgroup.devices.allow = c 1:9 rwm
  lxc.cgroup.devices.allow = c 1:8 rwm
  lxc.cgroup.devices.allow = c 136:* rwm
  lxc.cgroup.devices.allow = c 5:2 rwm
  # rtc
  lxc.cgroup.devices.allow = c 254:0 rwm
  #fuse
  lxc.cgroup.devices.allow = c 10:229 rwm
  #tun
  lxc.cgroup.devices.allow = c 10:200 rwm
  #full
  lxc.cgroup.devices.allow = c 1:7 rwm
  #hpet
  lxc.cgroup.devices.allow = c 10:228 rwm
  #kvm
  lxc.cgroup.devices.allow = c 10:232 rwm
  #lxc.cgroup.devices.allow = b 7:* rwm

  
  Any suggestions?

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