Screen not locked when coming out of suspend/hibernate

[Bojan Radakovic]

$ lsb_release -rd
Description: Ubuntu 12.04.1 LTS
Release: 12.04

[Steps leading to the problem]
Start System Settings
Select Brightness and Lock
Set 'Lock' to 'Off'
Tick 'Require my password when waking from suspend'
Close System Settings
Suspend PC
Wake up PC

[Expected result]
Password is asked at some point before last session is restored

[Actual result]
Session resumes without password being asked

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: gnome-screensaver 3.4.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-31.50-generic 3.2.28
Uname: Linux 3.2.0-31-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.0.1-0ubuntu13
Architecture: amd64
Date: Thu Oct 11 22:53:50 2012
GnomeSessionIdleInhibited: No
GnomeSessionInhibitors: None
GsettingsGnomeSession:
 org.gnome.desktop.session idle-delay uint32 1800
 org.gnome.desktop.session session-name 'ubuntu'
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
SourcePackage: gnome-screensaver
Symptom: security
Title: Screen not locked when coming out of suspend/hibernate
UpgradeStatus: No upgrade log present (probably fresh install)
WindowManager: No value set for `/desktop/gnome/session/required_components/windowmanager'

[Launchpad Janitor (janitor)]

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