Public bug reported:
I have a Dell XPS 13 9380 laptop with Type-C dock. There are two
external monitors (DisplayPort) and USB mouse attached to the doc.
Normally I disconnect the dock cable from the laptop, close the laptop lid and
laptop suspends.
However, sometimes it doesn't suspend.
I can see the 'Lid closed.' message in systemd-logind log which is normally
followed by a sleep.
Once this happens, laptop no longer suspends on lid close until I restart Gnome
session.
Also, if I lock it, the screen goes black but the backlight does not turn off.
I can put computer to a sleep from Gnome menu.
I'm not sure if it's issue is specific to Type-C dock though. It happens
rarely, maybe 1 of 20 times.
It appears like gsd does not detect monitors disconnect event in some
cases:
abram@abram-laptop:~$ systemd-inhibit --list --mode=block
WHO UID USER PID COMM WHAT
WHY
MODE
gdm 123 gdm 1977595 gsd-power handle-lid-switch
External monitor attached or configuration changed recently
block
gdm 123 gdm 1977593 gsd-media-keys
handle-power-key:handle-suspend-key:handle-hibernate-key GNOME handling
keypresses block
abram 1000 abram 779130 gsd-media-keys
handle-power-key:handle-suspend-key:handle-hibernate-key GNOME handling
keypresses block
3 inhibitors listed.
I've also seen a similar issue mentioned at askubuntu:
https://askubuntu.com/questions/1196871/gnome-supend-on-laptop-lid-close-no-longer-works-since-19-10-upgrade
The accepted answer involves killing gsd-power but that's more like a
workaround than a fix; the same presumably happens when Gnome session is
restarted.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-settings-daemon 3.36.1-0ubuntu1
ProcVersionSignature: Ubuntu 5.4.0-33.37-generic 5.4.34
Uname: Linux 5.4.0-33-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.2
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: GNOME
Date: Fri Jun 12 19:19:35 2020
InstallationDate: Installed on 2019-04-17 (421 days ago)
InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Alpha amd64 (20190326.2)
SourcePackage: gnome-settings-daemon
UpgradeStatus: Upgraded to focal on 2020-04-02 (70 days ago)
** Affects: gnome-settings-daemon (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1883292
Title:
Laptop not suspending on lid close after external monitors
disconnected
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