Public bug reported:

The slider in the "Brightness and Lock" settings panel does not respond
to brightness changes by keyboard hotkeys.

Steps to reproduce:

1) Open "Brightness and Lock" from the control center
2) Change the brightness witht he keyboard hotkeys
3) See that the brightness slider does not change


I read the similar (fixed) bug #893851 and I saw the attached patch that
updated the DBus interface. Now it seems the signal is not reaching the
UI for some reason. If I run "dbus-monitor type=signal" and set the
brightness up and down with the keyboard, the following output shows:

signal sender=:1.9 -> dest=org.gnome.SettingsDaemon serial=289 
path=/org/gnome/SettingsDaemon/Power; 
interface=org.gnome.SettingsDaemon.Power.Screen; member=Changed
signal sender=:1.9 -> dest=org.gnome.SettingsDaemon serial=295 
path=/org/gnome/SettingsDaemon/Power; 
interface=org.gnome.SettingsDaemon.Power.Screen; member=Changed

This seems to imply the signals are issued but does not reach the UI.

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: gnome-control-center 1:3.4.2-0ubuntu19
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic i686
NonfreeKernelModules: nvidia wl
ApportVersion: 2.6.1-0ubuntu3
Architecture: i386
Date: Tue Oct 23 15:22:25 2012
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
SourcePackage: gnome-control-center
UpgradeStatus: Upgraded to quantal on 2012-10-19 (4 days ago)
usr_lib_gnome-control-center:
 activity-log-manager-control-center 0.9.4-0ubuntu4
 deja-dup                            24.0-0ubuntu1
 gnome-control-center-signon         0.0.18-0ubuntu1
 indicator-datetime                  12.10.2-0ubuntu3

** Affects: gnome-control-center (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 quantal third-party-packages

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-control-center in Ubuntu.
https://bugs.launchpad.net/bugs/1070468

Title:
  Brightness slider does not respond to brightness changes

Status in “gnome-control-center” package in Ubuntu:
  New

Bug description:
  The slider in the "Brightness and Lock" settings panel does not
  respond to brightness changes by keyboard hotkeys.

  Steps to reproduce:

  1) Open "Brightness and Lock" from the control center
  2) Change the brightness witht he keyboard hotkeys
  3) See that the brightness slider does not change


  I read the similar (fixed) bug #893851 and I saw the attached patch
  that updated the DBus interface. Now it seems the signal is not
  reaching the UI for some reason. If I run "dbus-monitor type=signal"
  and set the brightness up and down with the keyboard, the following
  output shows:

  signal sender=:1.9 -> dest=org.gnome.SettingsDaemon serial=289 
path=/org/gnome/SettingsDaemon/Power; 
interface=org.gnome.SettingsDaemon.Power.Screen; member=Changed
  signal sender=:1.9 -> dest=org.gnome.SettingsDaemon serial=295 
path=/org/gnome/SettingsDaemon/Power; 
interface=org.gnome.SettingsDaemon.Power.Screen; member=Changed

  This seems to imply the signals are issued but does not reach the UI.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: gnome-control-center 1:3.4.2-0ubuntu19
  ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
  Uname: Linux 3.5.0-17-generic i686
  NonfreeKernelModules: nvidia wl
  ApportVersion: 2.6.1-0ubuntu3
  Architecture: i386
  Date: Tue Oct 23 15:22:25 2012
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  SourcePackage: gnome-control-center
  UpgradeStatus: Upgraded to quantal on 2012-10-19 (4 days ago)
  usr_lib_gnome-control-center:
   activity-log-manager-control-center 0.9.4-0ubuntu4
   deja-dup                            24.0-0ubuntu1
   gnome-control-center-signon         0.0.18-0ubuntu1
   indicator-datetime                  12.10.2-0ubuntu3

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1070468/+subscriptions

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