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[Tom Haddon <tom.haddon@xxxxxxxxxxxxx>]

Following syslog entry confirms:

Sep 29 11:02:50 ubuntu-phablet dbus[745]: apparmor="DENIED"
operation="dbus_method_call"  bus="system"
path="/com/canonical/Unity/Screen"
interface="com.canonical.Unity.Screen" member="keepDisplayOn"
mask="send" name="com.canonical.Unity.Screen" pid=19918
profile="com.popey.youtube_youtube_0.3" peer_pid=1568
peer_profile="unconfined"

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Touch seeded packages, which is subscribed to apparmor-easyprof-ubuntu
in Ubuntu.
https://bugs.launchpad.net/bugs/1375195

Title:
  webapp-container fails to inhibit screen blanking

Status in Webapps for Ubuntu Touch:
  New
Status in “apparmor-easyprof-ubuntu” package in Ubuntu:
  Confirmed

Bug description:
  When watching a video in the youtube webapp, the screen eventually
  blanks while the video is playing. I’m seeing this in the app’s log:

  [0929/113347:ERROR:logging.h(739)] Failed to call method: com.canonical.Unity.Screen.keepDisplayOn: object_path= /com/canonical/Unity/Screen: org.freedesktop.DBus.Error.AccessDenied: An AppArmor policy prevents this sender from sending this message to this recipient, 0 matched rules; type="method_call", sender=":1.110" (uid=32011 pid=11942 comm="webapp-container --webappUrlPatterns=https?://*.yo") interface="com.canonical.Unity.Screen" member="keepDisplayOn" error name="(unset)" requested_reply="0" destination="com.canonical.Unity.Screen" (uid=0 pid=2166 comm="unity-system-compositor --disable-overlays=false -")
  [0929/113347:ERROR:oxide_power_save_blocker.cc(109)] Failed to inhibit screen blanking

  Playing the same video in the webbrowser app does prevent the screen
  from blanking.

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