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[Derek Simkowiak <derek@xxxxxxxxxxx>]

There is a similar issue with bindfs (SSH fails with the same error when
using ControlMaster).  Maybe it's related.  See:

http://code.google.com/p/bindfs/issues/detail?id=27


** Bug watch added: code.google.com/p/bindfs/issues #27
   http://code.google.com/p/bindfs/issues/detail?id=27

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https://bugs.launchpad.net/bugs/1214500

Title:
  consistent failure with overlayfs and unix sockets

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Seems like overlayfs and unix sockets are not playing well. It might
  be racy, as it fails consistently on my laptop with an SSD, whereas
  for smoser it only failed a single time.

  Steps to reproduce:

  REL="precise"
  $ sudo lxc-create -n source-$REL-amd64 -t ubuntu-cloud -- \
     --release=$REL --arch=amd64

  ## clone via overlayfs ##
  $ sudo lxc-clone --snapshot -B overlayfs -o source-$REL-amd64 -n $REL-overlayfs-01

  $ sudo lxc-start -n $REL-overlayfs-01

  
  ### inside ###
  $ sudo apt-get update && sudo apt-get install supervisor -y

  $ sudo service supervisor stop
  $ sudo sed -i.dist 's,var/run/*supervisor.sock,srv/supervisor.sock,' /etc/supervisor/supervisord.conf
  $ sudo service supervisor start
  $ sudo supervisorctl maintail
  unix:///srv/supervisor.sock refused connection

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