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i cannot figure out how to repeat this bug or even if it is a bug with
lightdm, but every now and then when i wake up the screen (after it has
been locked) i will see either a blank black screen or a blank screen
with my desktop background image. the dialog box for unlocking the
screen (where you enter your password) is there but cannot be seen. i
can tell it is there because when i move the mouse in certain areas the
cursor will change when it is in the 'text input' area. if i type my
password and unlock the screen, all my windows remain blank, but again
they are there because i can see the mouse cursor changing. the only
workaround i've found so far is to switch to a console and restart
lightdm.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: lightdm 1.2.1-0ubuntu1.1
ProcVersionSignature: Ubuntu 3.2.0-31.50-generic 3.2.28
Uname: Linux 3.2.0-31-generic x86_64
ApportVersion: 2.0.1-0ubuntu13
Architecture: amd64
Date: Sat Oct 6 12:24:35 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120425)
ProcEnviron:
TERM=xterm
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: lightdm
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-screensaver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise running-unity
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blank windows
https://bugs.launchpad.net/bugs/1062988
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