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[Launchpad Bug Tracker <750468@xxxxxxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 295405 ***
    https://bugs.launchpad.net/bugs/295405

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: dbus (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/750468

Title:
  Failed to execute program /lib/dbus-1.0/dbus-daemon-launch-helper

Status in “dbus” package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: dbus

  After running an upgrade on Ubuntu 10.04, I had several problems:
  -Sound stopped working
  -I could not access gnome-volume-manager or change the volume
  -I could not start users-admin
  -When starting amarok, it told me that some devices were missing and asked if I wanted to forget about them permanently
  -Shutdown and restart buttons in Gnome only logged me out
  -Shutdown and restart buttons on the login screen did nothing

  ============
  Error message when trying to run pulseaudio:
  E: module-console-kit.c: GetSessionsForUnixUser() call failed: org.freedesktop.DBus.Error.Spawn.ExecFailed: Failed to execute program /lib/dbus-1.0/dbus-daemon-launch-helper: Success

  Error message when trying to run users-admin:
  There was an unknown error communicating with the backends: Failed to execute program /lib/dbus-1.0/dbus-daemon-launch-helper

  ============
  More info:
  http://ubuntuforums.org/showthread.php?t=1719380
  https://bugs.launchpad.net/ubuntu/+source/system-tools-backends/+bug/574078

  ============
  Workaround:
  sudo chmod o+x /lib/dbus-1.0/dbus-daemon-launch-helper
  Note: Might be dangerous.

  ============
  $  lsb_release -rd
  Description:	Ubuntu 10.04.2 LTS
  Release:	10.04
  ============
  $  apt-cache policy dbus
  dbus:
    Instalita: 1.2.16-2ubuntu4.2
    Candidate: 1.2.16-2ubuntu4.2
    Version table:
   *** 1.2.16-2ubuntu4.2 0
          500 http://gb.archive.ubuntu.com/ubuntu/ lucid-updates/main Packages
          100 /var/lib/dpkg/status
       1.2.16-2ubuntu4.1 0
          500 http://security.ubuntu.com/ubuntu/ lucid-security/main Packages
       1.2.16-2ubuntu4 0
          500 http://gb.archive.ubuntu.com/ubuntu/ lucid/main Packages
  ============
  $  grep messagebus /etc/passwd
  messagebus:x:102:107::/var/run/dbus:/bin/false
  $  grep messagebus /etc/group
  messagebus:x:106:

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