Public bug reported:
Leave computer for a while, display turns black for saving power(computer is
not sleeping or hibernate only the display)
Back to computer, press keyboard, move mouse,
Display turns on, but only black screen and a mouse cursor show.
System is not hang, I can switch to console by pressing Ctrl+ALt+F1
have to kill X or reboot to get the login window showing.
I use classic gnome desktop.
This issue happens on both my workstation and Thinkpad X201 laptop..
Frequency: 1 or 2 time one day.
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: gdm 2.32.1-0ubuntu3.2
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic-pae 2.6.38.2
Uname: Linux 2.6.38-8-generic-pae i686
Architecture: i386
Date: Fri Jun 24 13:28:09 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
ProcEnviron:
SHELL=/bin/bash
PATH=(custom, no user)
LANG=en_US.UTF-8
LANGUAGE=en_US:en
SourcePackage: gdm
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gdm (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 natty
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https://bugs.launchpad.net/bugs/801433
Title:
login screen turn black when back from idle
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