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[Jamie Strandboge <jamie@xxxxxxxxxx>]

Eric, this bug is closed and was fixed for the original bug. Can you
file a new bug using 'ubuntu-bug apparmor' after you see the issue?
Thanks.

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https://bugs.launchpad.net/bugs/1298021

Title:
  Google Chrome (not chromium) won't start in guest session

Status in lightdm package in Ubuntu:
  Fix Released

Bug description:
  Related, but not a dupe of bug 577919
  Install Google Chrome (not chromium) and switch to a guest session
  Start chrome from a terminal
  See the following error:-

  "Failed to move to new PID namespace: Operation not permitted"

  I see these apparmor denials:-

  [Tue Mar 25 12:51:46 2014] type=1400 audit(1395861131.882:541): apparmor="DENIED" operation="capable" profile="/usr/lib/lightdm/lightdm-guest-session" pid=30034 comm="chrome-sandbox" capability=21  capname="sys_admin"
  [Tue Mar 25 12:52:13 2014] type=1400 audit(1395861159.510:542): apparmor="DENIED" operation="open" profile="/usr/lib/lightdm/lightdm-guest-session" name="/proc/30062/oom_score_adj" pid=30062 comm="chrome" requested_mask="wc" denied_mask="wc" fsuid=130 ouid=130

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: lightdm 1.9.13-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-19.40-generic 3.13.6
  Uname: Linux 3.13.0-19-generic x86_64
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Wed Mar 26 19:08:04 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2012-06-29 (634 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  SourcePackage: lightdm
  UpgradeStatus: Upgraded to trusty on 2014-01-20 (65 days ago)

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