The default value for sleep-inactive-ac-timeout from upstream GNOME is
1200 (20 minutes), but Ubuntu contains an override that sets it to zero
(off) in:
/usr/share/glib-2.0/schemas/10_ubuntu-settings.gschema.override
Do you have that file? If not then you are missing:
sudo apt install ubuntu-settings
** Package changed: gdm3 (Ubuntu) => ubuntu
** Changed in: ubuntu
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1988149
Title:
Gnome puts the machine into sleep mode although it is a server with no
need or requirement for users to use Gnome
Status in Ubuntu:
Incomplete
Bug description:
Installing mythtv (all standard packages and versions which I assume
are captured by this suite of tools). Installing either the server
with desktop or server without desktop (adding mythtv-backend-master)
and then installing mythtv-backend-master adds Gnome desktop in.
Configuring the server using ssh (i.e. not the desktop environment on
the system) the server is put to sleep by Gnome after ~20 minutes.
This appears to be because there has been no activity on the GDM
managed GUI desktop session.
It appears to be resolved by setting the properties below from the
command line or editing the gdm3 defaults as shown below (hopefully
belt and braces - no AC timer and don't do anything on the timer
expiring).
The machine is an old Intel i3 NUC so perhaps is being detected as a
latop (which is why I'm repoprting this) but in any case it's the
server version of Ubuntu and who wants their server put to sleep if
no-one's using a GUI for 20 minutes?
sudo vi /etc/gdm3/greeter.dconf-defaults
# Automatic suspend
# =================
[org/gnome/settings-daemon/plugins/power]
# - Time inactive in seconds before suspending with AC power
# 1200=20 minutes, 0=never
sleep-inactive-ac-timeout=0
# - What to do after sleep-inactive-ac-timeout
# 'blank', 'suspend', 'shutdown', 'hibernate', 'interactive' or
'nothing'
sleep-inactive-ac-type='nothing'
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: gdm3 42.0-1ubuntu7
ProcVersionSignature: Ubuntu 5.15.0-46.49-generic 5.15.39
Uname: Linux 5.15.0-46-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
Date: Tue Aug 30 10:35:51 2022
InstallationDate: Installed on 2022-08-30 (0 days ago)
InstallationMedia: Ubuntu-Server 22.04.1 LTS "Jammy Jellyfish" - Release
amd64 (20220809)
ProcEnviron:
SHELL=/bin/bash
LANG=C.UTF-8
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
PATH=(custom, no user)
SourcePackage: gdm3
UpgradeStatus: No upgrade log present (probably fresh install)
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