Public bug reported:
When using a Wayland session instead of X11 from the standard lightdm-
gtk-greeter, apparently gnome-screensaver cannot establish proper GTK+
initialisation, causing the gnome-session-binary to exit and
subsequently a greeter loop where a user is unable to log in.
The following is an excerpt from the syslog:
ep 12 11:06:49 darkstar-xps dbus-daemon[2031]: Activating service
name='org.gnome.ScreenSaver'
Sep 12 11:06:49 darkstar-xps org.gnome.ScreenSaver[2031]: Unable to init
server: Could not connect: Connection refused
Sep 12 11:06:49 darkstar-xps gnome-screensav[2165]: Unable to initialize GTK+
S
Running an identical session without Wayland produces the expected
behaviour: a user can log into his desktop session and start working as
usual.
Removing org.gnome.SettingsDaemon.ScreensaverProxy from /usr/share
/gnome-session/sessions/gnome.session doesn't have any effect. I'm
suspecting foul play between the screensaver proxy and the screensaver
binary itself, but don't have the bandwidth to analyse the source at the
moment.
More than happy to provide more information as required - just let me
know.
ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: gnome-screensaver 3.6.1-7ubuntu5
ProcVersionSignature: Ubuntu 4.10.0-33.37-generic 4.10.17
Uname: Linux 4.10.0-33-generic x86_64
ApportVersion: 2.20.4-0ubuntu4.5
Architecture: amd64
CurrentDesktop: GNOME
Date: Tue Sep 12 11:29:30 2017
GnomeSessionIdleInhibited: No
GnomeSessionInhibitors: None
GsettingsGnomeSession:
org.gnome.desktop.session session-name 'ubuntu'
org.gnome.desktop.session idle-delay uint32 300
InstallationDate: Installed on 2017-08-31 (11 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
SourcePackage: gnome-screensaver
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-screensaver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug zesty
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https://bugs.launchpad.net/bugs/1716639
Title:
gnome-screensaver issue when using Wayland
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