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[Adam Ryczkowski <adam.ryczkowski@xxxxxxxxxxxxxx>]

Public bug reported:

Otherwise you'll get an error

sudo lxc-start -n mycontainer
lxc: call to cgmanager_move_pid_abs_sync(blkio) failed: invalid request
lxc-start: Could not find writable mount point for cgroup hierarchy 11 while trying to create cgroup.
lxc-start: Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/blkio/grp_1
lxc-start: Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/cpu/sys_daemon
lxc-start: Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/cpuset/
lxc-start: failed creating cgroups
lxc-start: failed to spawn 'mycontainer'

Or at least let the "lxc-start" check of the presence of the "cgroup-
lite" and show a meaningful error message.

Ubuntu vanilla installs the "cgroup-lite" automatically, so it doesn't
affect fresh installs.

System: Ubuntu 14.04 64 bit

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

  Otherwise you'll get an error
  
  sudo lxc-start -n mycontainer
  lxc: call to cgmanager_move_pid_abs_sync(blkio) failed: invalid request
  lxc-start: Could not find writable mount point for cgroup hierarchy 11 while trying to create cgroup.
  lxc-start: Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/blkio/grp_1
  lxc-start: Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/cpu/sys_daemon
  lxc-start: Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/cpuset/
  lxc-start: failed creating cgroups
  lxc-start: failed to spawn 'mycontainer'
  
  Or at least let the "lxc-start" check of the presence of the "cgroup-
  lite" and show a meaningful error message.
  
- See my other bug
- https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1306434, which has
- a package unfortunately mis-labeled (should be "lxc" and is "linux")
- 
  Ubuntu vanilla installs the "cgroup-lite" automatically, so it doesn't
  affect fresh installs.
  
  System: Ubuntu 14.04 64 bit

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https://bugs.launchpad.net/bugs/1306916

Title:
  cgroup-lite should be added as an explicit dependency

Status in “linux” package in Ubuntu:
  New

Bug description:
  Otherwise you'll get an error

  sudo lxc-start -n mycontainer
  lxc: call to cgmanager_move_pid_abs_sync(blkio) failed: invalid request
  lxc-start: Could not find writable mount point for cgroup hierarchy 11 while trying to create cgroup.
  lxc-start: Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/blkio/grp_1
  lxc-start: Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/cpu/sys_daemon
  lxc-start: Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/cpuset/
  lxc-start: failed creating cgroups
  lxc-start: failed to spawn 'mycontainer'

  Or at least let the "lxc-start" check of the presence of the "cgroup-
  lite" and show a meaningful error message.

  Ubuntu vanilla installs the "cgroup-lite" automatically, so it doesn't
  affect fresh installs.

  System: Ubuntu 14.04 64 bit

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