Public bug reported:
On a fresh Xubuntu 15.04 install, I created a new user. When I lock the
session (or resume from standby, which also locks the session), I see
nothing but a screen in light gray. After about a minnute, the screen
goes black (power safe), pressing any key brings back the gray screen.
There is no possibility to unlock the session. Ctrl+Alt+F1 brings me to
terminal, where I can see with `top` that "lightdm-gtk-greeter" takes
100% CPU.
The log contains warnings about background images that can not be read.
I believe those are warnings only and not fatal errors.
Version of lightdm-gtk-greeter: 2.0.0-0ubuntu1.
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: lightdm 1.14.2-0ubuntu1
ProcVersionSignature: Ubuntu 3.19.0-28.30-generic 3.19.8-ckt5
Uname: Linux 3.19.0-28-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.4
Architecture: amd64
CurrentDesktop: XFCE
Date: Sat Sep 12 10:02:29 2015
InstallationDate: Installed on 2015-09-03 (8 days ago)
InstallationMedia: Xubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422.1)
SourcePackage: lightdm
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: lightdm (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug vivid
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https://bugs.launchpad.net/bugs/1495030
Title:
lightdm-gtk-greeter hangs, leaving session locked with gray screen
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