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[Launchpad Bug Tracker <908365@xxxxxxxxxxxxxxxxxx>]

You have been subscribed to a public bug:

When I either lock the screen or it locks by itself (and goes blank),
when I come back and move the mouse is shows the desktop & open windows
for about a second before it blanks again and then asks for the
password. This started happening with Ubuntu 11.04 after an upgrade from
10.10; I was hoping it would go away with an upgrade to 11.10 but this
was not the case.

Here is the info you asked for:

$ lsb_release -rd
Description:	Ubuntu 11.10
Release:	11.10

$ apt-cache policy gnome-screensaver
gnome-screensaver:
  Installed: 3.2.0-0ubuntu1
  Candidate: 3.2.0-0ubuntu1
  Version table:
 *** 3.2.0-0ubuntu1 0
        500 http://ch.archive.ubuntu.com/ubuntu/ oneiric/main i386 Packages
        100 /var/lib/dpkg/status


What is expected: 
1) The screen goes blank & locks
2) The user comes back and moves the mouse
3) The screen stays blank and the password dialog comes up, the user does not see anything else

What happens:
1) The screen goes blank & locks
2) The user comes back and moves the mouse
3) The screen shows the desktop for a second (and any windows open at the time), then it blanks again and shows the password dialog.

I believe this is a security issue too, although one could argue a small
one, but it allows someone who has physical access to the PC to see the
screen for a second even when it is locked. I will not flag is as a
security issue though, I'll let the Ubuntu team decide if if is
considered one by their standards.

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


** Tags: bot-comment
-- 
Desktop is shown when user comes back when screenlock/blank is activated
https://bugs.launchpad.net/bugs/908365
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