This bug was fixed in the package gnome-panel - 1:3.8.0-1ubuntu12.1
---------------
gnome-panel (1:3.8.0-1ubuntu12.1) trusty; urgency=medium
[ Alberts Muktupāvels ]
* Update 50_ubuntu_sessions.patch to fix bug when Compiz
session is available even if it is not installed (lp: #1332183).
[ Tim Lunn ]
* debian/control.in:
- Drop recommends on gnome-session, this only contains
gnome-shell session files and g-s-d deps these days.
- Add Suggests on compiz
-- Alberts Muktupavels <[email protected]> Fri, 20 Jun 2014
09:19:57 +0300
** Changed in: gnome-panel (Ubuntu Trusty)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1332183
Title:
Installing gnome-session-flashback in Ubuntu GNOME Trusty provides a
Flashback (Compiz) session when compiz is not installed
Status in “gnome-panel” package in Ubuntu:
Fix Released
Status in “gnome-panel” source package in Trusty:
Fix Released
Bug description:
[Impact]
Ubuntu GNOME users may install 'gnome-session-flashback' and unwittingly log
into a GNOME Flashback (Compiz) session even though 'compiz' is not installed.
If auto-login has not been selected the session can be changed after a hard
reboot, but if auto-login has been selected it can be quite perplexing to get
back to the login screen since no window manager is running and Ubuntu GNOME
has no key sequence set out-of-box for killing X.
[Test Case]
Install Ubuntu GNOME Trusty selecting to automatically login during
installation, apply all updates and reboot when prompted. Do not edit any key
sequences. Upon reboot install only 'gnome-session-flashback', logout, then
select GNOME Flashback (Compiz) and log back in. You'll find that you've logged
into a session with only a blank background because no window manager is
running. Attempts to kill X and return to the login screen such as restarting
gdm will likely fail so you'll have to launch a TTY, manually edit
"/etc/gdm/custom.conf" to turn auto-login off, and reboot in order to select a
working session.
[Regression Potential]
None based on testing Ubuntu GNOME, Ubuntu, and Edubuntu Utopic with the
patched files. The Edubuntu test was performed by choosing "flashback" as the
default DE during installation with the Utopic 20140623 i386 image. I also
tested Ubuntu GNOME both prior to and after installing 'compiz' to be sure we
broke no sessions.
*******************************************
Just as the title says, installing 'gnome-session-flashback' in Ubuntu
GNOME provides a GNOME Flashback (Compiz) session even though 'compiz'
is not installed:
lance@lance-desktop:~$ ls /usr/share/xsessions
gnome-classic.desktop gnome-fallback-compiz.desktop
gnome.desktop gnome-fallback.desktop
lance@lance-desktop:~$ apt-cache policy compiz
compiz:
Installed: (none)
Candidate: 1:0.9.11+14.04.20140423-0ubuntu1
Version table:
1:0.9.11+14.04.20140423-0ubuntu1 0
500 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main i386
Packages
1:0.9.11+14.04.20140409-0ubuntu1 0
500 http://us.archive.ubuntu.com/ubuntu/ trusty/main i386 Packages
This is much more than a minor inconvenience since Ubuntu GNOME has no
keyboard shortcut set for killing X out-of-box so, if the user
selected auto-login during installation, with no window manager
running it can be quite difficult to get back to the login screen to
select a different session.
The easiest way I found so far is to open a TTY via Ctrl+Alt+F1 and
then run "sudo nano /etc/gdm/custom.conf", change
"AutomaticLoginEnable=true" to "AutomaticLoginEnable=False", then run
"sudo dpkg-reconfigure gdm", followed by "sudo reboot". Then on reboot
a working session can be selected.
I would hope that there is some way to NOT display a session if it's
window manager is not installed.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: gnome-session-flashback 1:3.8.0-1ubuntu12
ProcVersionSignature: Ubuntu 3.13.0-29.53-generic 3.13.11.2
Uname: Linux 3.13.0-29-generic i686
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: i386
CurrentDesktop: Unity
Date: Thu Jun 19 11:27:41 2014
GsettingsChanges:
InstallationDate: Installed on 2014-05-30 (20 days ago)
InstallationMedia: Ubuntu-GNOME 14.04 LTS "Trusty Tahr" - Release i386
(20140416.2)
PackageArchitecture: all
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: gnome-panel
UpgradeStatus: No upgrade log present (probably fresh install)
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