Public bug reported:
After a period of time, my displays go to sleep as they should. However,
I often come back to find that the displays are awake, the mouse pointer
is on a screen, but the screens are otherwise black. They're in this
weird "awake but not fully on" mode. At that point, they will not go
back to sleep as they should unless I fully awake them and let them go
back to sleep.
I don't know exactly what triggers the "half awake" but I suspect it's a
notification. The displays shouldn't turn on without a user action. It
wastes power and is clearly broken. I've attached a photo for an
example.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-shell 3.36.2-1ubuntu1~20.04.1
ProcVersionSignature: Ubuntu 5.4.0-33.37-generic 5.4.34
Uname: Linux 5.4.0-33-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu27.2
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sun Jun 7 16:10:20 2020
DisplayManager: gdm3
InstallationDate: Installed on 2018-07-24 (684 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180724)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
RelatedPackageVersions: mutter-common 3.36.2-1ubuntu1~20.04.1
SourcePackage: gnome-shell
UpgradeStatus: Upgraded to focal on 2020-01-07 (152 days ago)
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1882462
Title:
Displays wake up pre-maturely (likely driven by notification)
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