** Changed in: lightdm (Ubuntu)
Status: Opinion => New
** Summary changed:
- Lightdm crashes on bootup after installing Virtualbox guest addition tools on
Ubuntu Desktop 16.04.1
+ Lightdm crashes on bootup after installing Virtualbox guest addition tools on
Ubuntu Desktop 16.04.1 when 3D Acceleration is Enabled in the Virtualbox
machine settings.
** Description changed:
- After a clean install of Ubuntu 16.04.1 on Virtualbox, when I install
- the guest additions to it and reboot the lightdm display manager
- continually restarts and then errors out. I'm left the other tty
- terminals which sometimes do not work. Uninstalling the guest addition
- tools in /opt and rebooting fixes the issue.
+ After a clean install of Ubuntu 16.04.1 on Virtualbox with 3D
+ acceleration enabled on the Virtualbox VM settings, when I install the
+ guest additions to it and reboot the lightdm display manager continually
+ restarts and I'm left with a black screen and blinking underscore.
+ Unchecking 3D Acceleration or uninstalling the guest addition tools in
+ /opt and rebooting fixes the issue.
Virtualbox version: 5.1.4 r1110228
VBoxGuestAdditions-5.1.4
-
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: lightdm (not installed)
ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16
Uname: Linux 4.4.0-36-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Tue Sep 6 08:38:03 2016
InstallationDate: Installed on 2016-09-02 (3 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64
(20160719)
ProcEnviron:
TERM=linux
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: lightdm
UpgradeStatus: No upgrade log present (probably fresh install)
What I've tried for troubleshooting -
Removing .Xauthority
Verifying permissions on various lightdm system folders.
Upgrading virtualbox
Purging / uninstalling and reinstalling lightdm
dpkg-reconfigure lightdm
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1620631
Title:
Lightdm crashes on bootup after installing Virtualbox guest addition
tools on Ubuntu Desktop 16.04.1 when 3D Acceleration is Enabled in the
Virtualbox machine settings.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1620631/+subscriptions
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