Public bug reported:
Unlocking my machine from screen saver/power save, my second display had
disappeared. It showed the global menu bar, with the name of the
currently focused application on the main desktop, but none of the
applications that had been running on that display were visible, nor did
it have a desktop background. Oddly, if I took a screenshot, the
applications and background show up in the screenshot. Opening display
preferences and mirroring the displays did not change this, the second
display continued to show a black background and nothing but a menu bar,
however reverting to the previous configuration rather than keeping the
mirrored configuration fixed the problem.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: unity 5.6.0-0ubuntu4
ProcVersionSignature: Ubuntu 3.2.0-18.29-generic 3.2.9
Uname: Linux 3.2.0-18-generic x86_64
ApportVersion: 1.94.1-0ubuntu2
Architecture: amd64
CompizPlugins:
[core,bailer,detection,composite,opengl,compiztoolbox,decor,vpswitch,mousepoll,wall,grid,gnomecompat,move,snap,imgpng,place,regex,session,resize,animation,fade,scale,expo,ezoom,workarounds,unityshell]
Date: Wed Mar 14 16:55:36 2012
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
ProcEnviron:
TERM=xterm
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: unity
UpgradeStatus: Upgraded to precise on 2012-03-12 (2 days ago)
** Affects: unity (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise
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https://bugs.launchpad.net/bugs/955470
Title:
unity "loses" second monitor returning from screen saver
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