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[Bug 829332] [NEW] closing laptop lid incorrectly throttles screensaver, even with external display

 

Public bug reported:

When I close the lid of my laptop, gnome-power-manager always throttles the screensaver (as indicated by the following output):
$ gnome-screensaver --debug --no-daemon |& grep -i throttle
[listener_add_ref_entry] gs-listener-dbus.c:716 (10:53:12):	 adding throttler from Power screensaver for reason 'Laptop lid is closed' on connection :1.18
[listener_check_throttle] gs-listener-dbus.c:353 (10:53:12):	 Checking for throttle
[list_ref_entry] gs-listener-dbus.c:279 (10:53:12):	 throttler: Power screensaver for reason: Laptop lid is closed
[gs_listener_set_throttle] gs-listener-dbus.c:340 (10:53:12):	 Changing throttle status: 1

However, this should not happen when external displays are connected, as
it is the case for me.

1) 
Description:	Ubuntu 11.04
Release:	11.04

2) 
gnome-power-manager:
  Installed: 2.32.0-2ubuntu2
  Candidate: 2.32.0-2ubuntu2
  Version table:
 *** 2.32.0-2ubuntu2 0
        500 http://de.archive.ubuntu.com/ubuntu/ natty/main amd64 Packages
        100 /var/lib/dpkg/status

3)
Screensaver should activate on external display, even when laptop lid closed.

4) 
Screen is blanked only due to throttling.

** Affects: gnome-power-manager (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/829332

Title:
  closing laptop lid incorrectly throttles screensaver, even with
  external display

Status in “gnome-power-manager” package in Ubuntu:
  New

Bug description:
  When I close the lid of my laptop, gnome-power-manager always throttles the screensaver (as indicated by the following output):
  $ gnome-screensaver --debug --no-daemon |& grep -i throttle
  [listener_add_ref_entry] gs-listener-dbus.c:716 (10:53:12):	 adding throttler from Power screensaver for reason 'Laptop lid is closed' on connection :1.18
  [listener_check_throttle] gs-listener-dbus.c:353 (10:53:12):	 Checking for throttle
  [list_ref_entry] gs-listener-dbus.c:279 (10:53:12):	 throttler: Power screensaver for reason: Laptop lid is closed
  [gs_listener_set_throttle] gs-listener-dbus.c:340 (10:53:12):	 Changing throttle status: 1

  However, this should not happen when external displays are connected,
  as it is the case for me.

  1) 
  Description:	Ubuntu 11.04
  Release:	11.04

  2) 
  gnome-power-manager:
    Installed: 2.32.0-2ubuntu2
    Candidate: 2.32.0-2ubuntu2
    Version table:
   *** 2.32.0-2ubuntu2 0
          500 http://de.archive.ubuntu.com/ubuntu/ natty/main amd64 Packages
          100 /var/lib/dpkg/status

  3)
  Screensaver should activate on external display, even when laptop lid closed.

  4) 
  Screen is blanked only due to throttling.

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https://bugs.launchpad.net/ubuntu/+source/gnome-power-manager/+bug/829332/+subscriptions


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References