Public bug reported:
After booting the system and login screen is displayed top right gear-
icon contains option to Suspend. However, selecting that action has no
results at all (no error message, nothing in any file under /var/log or
journalctl). I would like to get the suspend action to work similar to
older Ubuntu versions (this system used to run Ubuntu 16.04 LTS and I
did a fresh install of 18.04.1 LTS).
I have removed package gdm3 and installed lightdm instead because I like
the lightdm interface better for our use case.
Looking at the source code in liblightdm-gobject/power.c suggests that
lightdm_get_can_suspend() returns true because I get the suspend option.
However, selecting the option does nothing so I would guess that
lightdm_suspend() is called but somehow none of the g_debug() log
messages never appear anywhere so I cannot debug the problem any
further. (The above is just a guess because I didn't have enough time to
read the source well enough to figure out if this is the codepath I'm
trying to activate.)
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: lightdm 1.26.0-0ubuntu1
ProcVersionSignature: Ubuntu 4.18.0-13.14~18.04.1-lowlatency 4.18.17
Uname: Linux 4.18.0-13-lowlatency x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
CurrentDesktop: MATE
Date: Sun Jan 6 22:23:20 2019
EcryptfsInUse: Yes
InstallationDate: Installed on 2019-01-05 (1 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
SourcePackage: lightdm
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: lightdm (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1810683
Title:
Suspend does not work in the login screen
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