I am experiencing the same problem. Xubuntu 14.04, all updates until
02.04.2014. My system is a lenovo x200 with intel graphics.
When I resume from suspend-to-ram, I get the password screen as
expected, but at minimum screen brightness. This can be corrected with
the screen brightness hotkeys. However, once I enter my password, the
screen goes entirely black. I am not 100% sure, but I think it is the
kind of black that you get when the backlight is off. At this point the
only thing that works is to switch to a text console or use ssh to
restart lightdm. Of course I loose all open windows this way, which
makes suspending essentially useless.
The only exception I encountered was when I suspended while LibreOffice
Impress was on full screen. That one time, resuming worked. I am not
sure if it was related.
I have checked my logs but I did not find any resume-related errors.
Please let me know if I should upload any logs etc.
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to lightdm in Ubuntu.
https://bugs.launchpad.net/bugs/1301549
Title:
Black screen after logging in after resume in Xubuntu 14.04
Status in “lightdm” package in Ubuntu:
Confirmed
Bug description:
Occasionally, when resuming Xubuntu 14.04 after hibernating it before,
the screen is very dark. I must turn it bright with Fn+F5 then. After
entering my password, I only see a black screen and I have to restart
lightdm in order to be able to continue work.
$ lsb_release -rd
Description: Ubuntu Trusty Tahr (development branch)
Release: 14.04
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: lightdm 1.9.13-0ubuntu1
Uname: Linux 3.14.0-031400-generic i686
ApportVersion: 2.14-0ubuntu1
Architecture: i386
CurrentDesktop: XFCE
Date: Wed Apr 2 20:20:16 2014
EcryptfsInUse: Yes
InstallationDate: Installed on 2014-03-21 (12 days ago)
InstallationMedia: Xubuntu 14.04 LTS Trusty Tahr - Alpha i386 (20140225)
LightdmGreeterLog:
** (lightdm-gtk-greeter:1278): WARNING **: Failed to load user background:
Datei »/home/michael/Downloads/Not_My_Tux_by_Twarrior.jpg« konnte nicht
geöffnet werden: Keine Berechtigung
** (lightdm-gtk-greeter:1278): WARNING **: Failed to load user image: Datei
»/home/michael/.face« konnte nicht geöffnet werden: Keine Berechtigung
init: indicator-power-main-Prozess (1323) wurde von TERM-Signal beendet
init: indicator-sound-main-Prozess (1325) wurde von TERM-Signal beendet
SourcePackage: lightdm
UpgradeStatus: No upgrade log present (probably fresh install)
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