Timeout until screen blanks setting does nothing

Bug #1507983 reported by Doug McMahon on 2015-10-20
10
This bug affects 2 people
Affects Status Importance Assigned to Milestone
LightDM GTK+ Greeter
Wishlist
Unassigned
Settings editor for LightDM GTK+ Greeter
Undecided
Unassigned

Bug Description

Test Case:
Lubuntu
Open LightDM GTK+ Greeter Settings > Misc
Adjust Timeout until screen blanks slider to some value, ex. 10 secs

What should happen: greeter screen should blank after 10 secs of inactivity
What happens: blank time remains on LightDM default of 300 secs

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: lightdm-gtk-greeter-settings 1.2.0-0ubuntu1
ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
Uname: Linux 4.2.0-16-generic x86_64
ApportVersion: 2.19.1-0ubuntu2
Architecture: amd64
CurrentDesktop: LXDE
Date: Tue Oct 20 06:23:54 2015
InstallationDate: Installed on 2015-10-19 (0 days ago)
InstallationMedia: Lubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20151017.1)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: lightdm-gtk-greeter-settings
UpgradeStatus: No upgrade log present (probably fresh install)

Doug McMahon (mc3man) wrote :
tags: added: lubuntu
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in lightdm-gtk-greeter-settings (Ubuntu):
status: New → Confirmed
dnord (dnord) wrote :

Have same problem with Ubuntu 16.04 with XFCE4 DE. I'm trying to set `screensaver-timeout` parameter in seconds and it does nothing.

dnord (dnord) wrote :

I'm trying to use it with xscreensaver.

Simon Steinbeiß (ochosi) wrote :

@dnord: This has nothing to do with xscreensaver, so not sure in how far that comment is helpful.

Regarding the actual bugreport: the screensaver-timeout setting only takes effect when the greeter is used as a lockscreen. So at login the setting is not honoured at all, instead the system default values are taken.
This is also why the behaviour of the greeter will differ between logging out and locking your session with respect to the screensaver.

So I would not categorize this as a bug, because the code is specifically written to work this way. Instead I would consider this a feature request.

affects: lightdm-gtk-greeter-settings (Ubuntu) → lightdm-gtk-greeter
Changed in lightdm-gtk-greeter:
importance: Undecided → Wishlist
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