Bug#935194: xfce4-session: Xfce session fails to start when previously logged into GNOME
Package: xfce4-session
Version: 4.12.1-6
Severity: normal
Tags: patch
When you log into GNOME (or Cinnamon or MATE) the environment variable
SESSION_MANAGER will be set. If you then log out and try logging into
Xfce it will fail. You will simply be catapulted back to the gmd login
screen. The following error message will appear in the system journal
(the PID may vary of course):
/usr/lib/gdm3/gdm-x-session[5992]: xfce4-session: Another session
manager is already running
This is implemented here:
https://salsa.debian.org/xfce-team/desktop/xfce4-session/blob/debian/master/xfce4-session/main.c#L96
I am not very familiar with all the details concerning this variable but
the attached patch is a workaround that unsets the variable
SESSION_MANAGER in
/etc/X11/Xsession.d/55xfce4-session. This way it is possible to first
log into GNOME, log out and then log into Xfce.
Regards
Ronny
From f8d878532359800892a5aa134c9746af2dc033aa Mon Sep 17 00:00:00 2001
From: Ronny Standtke <ronny.standtke@gmx.net>
Date: Tue, 20 Aug 2019 19:46:06 +0200
Subject: [PATCH] unset SESSION_MANAGER in 55xfce4-session
---
debian/55xfce4-session | 2 ++
1 file changed, 2 insertions(+)
diff --git a/debian/55xfce4-session b/debian/55xfce4-session
index 1d12b3d..475ccb5 100644
--- a/debian/55xfce4-session
+++ b/debian/55xfce4-session
@@ -16,3 +16,5 @@ case "$BASESTARTUP" in
export XDG_DATA_DIRS
;;
esac
+
+unset SESSION_MANAGER
--
2.20.1
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