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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1490267

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1490267

Title:
  Regression in overlayfs

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  When installing the linux-lts-vivid kernel in Ubuntu 14.04, there is a
  regression with overlayfs and unprivileged containers: 'failed to
  whiteout'

  Below the system information:

  - Kernel error: http://pastebin.com/iajXHbHZ
  - Kernel version: 3.19.0-25-generic #26~14.04.1-Ubuntu SMP Fri Jul 24 21:16:20 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
  - Executed LXC command: lxc-clone -s -B overlayfs orig test (both unprivileged containers)
  - LXC version: 1.0.7

  We discussed this on the LXC user mailing list, and this is likely a
  bug in one of the patches that add support for unprivileged use of
  overlayfs.

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