Comment 0 for bug 1375271

This appears to be a regression in 14.10 sometime in September 2014.

The behavior appears similar to this bug from 2011: https://bugs.launchpad.net/unity-2d/+bug/830348

On resume from suspend, screen contents are displayed for a brief time (perhaps 0.5 to 1 sec) before the lock dialog appears.

These screen contents are not always the desktop or open application beneath the lock screen. On at least one occasion, the screen showed a content from a full-screen video that had been playing in Firefox some time before the computer had been suspended: neither the video nor its underlying tab were open anymore, so the image(s) was likely part of a buffer somewhere. (Needless to say, if the wrong full-screen video had been watched, depending on the setting, this could be a quite serious issue for some users).

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: unity 7.3.1+14.10.20140915-0ubuntu1
ProcVersionSignature: Ubuntu 3.16.0-18.25-generic 3.16.3
Uname: Linux 3.16.0-18-generic x86_64
ApportVersion: 2.14.7-0ubuntu2
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CurrentDesktop: Unity
Date: Mon Sep 29 08:38:57 2014
InstallationDate: Installed on 2014-08-10 (50 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
SourcePackage: unity
UpgradeStatus: Upgraded to utopic on 2014-08-10 (50 days ago)