Public bug reported:
In /etc/X11/Xsession.d/70gconfd_path-on-session these lines fail if
there is a space in ${DESKTOP_SESSION}:
export MANDATORY_PATH=${GCONF_PREFIX}/${DESKTOP_SESSION}.mandatory.path
export DEFAULTS_PATH=${GCONF_PREFIX}/${DESKTOP_SESSION}.default.path
The error output to ~/.xsession-errors is:
/etc/X11/Xsession: 6: export: Session.mandatory.path: bad variable name
I'm not sure why the error is pointing to the wrong file. Adding quotes around
the variables in those lines makes the error go away. This error totally
prevents logging into X. It happens when using LXDM to start Xfce, because LXDM
sets DESKTOP_SESSION to Name from /usr/share/xsessions/xfce.desktop :
Name=Xfce Session
These LXDM bugs relate to the problem, but I guess the lack of quoting
here is the root cause. I'm not sure if setting DESKTOP_SESSION to the
Name from the .desktop file and having a space in it is wise, but
everything seems to work after fixing the quoting. Proper quoting is
used elsewhere.
https://sourceforge.net/p/lxde/bugs/420/
https://bugs.launchpad.net/ubuntu/+source/lxdm/+bug/875991
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: gconf2-common 3.2.6-3ubuntu6
ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
Uname: Linux 4.4.0-22-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CurrentDesktop: XFCE
Date: Thu Jun 2 10:16:46 2016
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en_CA:en
TERM=xterm
PATH=(custom, no user)
LANG=en_CA.UTF-8
SHELL=/bin/bash
SourcePackage: gconf
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gconf (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1588395
Title:
70gconfd_path-on-session doesn't quote DESKTOP_SESSION and fails if it
contains a space
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