Public bug reported:
I use a ThinkPad dock with two monitors plugged into it. I have a udev
job configured to automatically put my laptop to sleep when I undock it.
So, I'm working on my laptop in the dock. I undock it and drop it into
my backpack. All by itself, it goes to sleep. A few minutes later, I
open the laptop and it wakes up. I know it's up because the power light
and LED on the lid both go to solid. But the laptop screen never comes
on.
I've undocked twice since upgrading to 18.10. This has happened both
times. It's a regression from 18.04.1.
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: gnome-shell 3.30.1-2ubuntu1
ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
Uname: Linux 4.18.0-10-generic x86_64
ApportVersion: 2.20.10-0ubuntu13
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Fri Nov 9 13:18:04 2018
DisplayManager: gdm3
InstallationDate: Installed on 2018-09-27 (43 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
SourcePackage: gnome-shell
UpgradeStatus: Upgraded to cosmic on 2018-11-08 (1 days ago)
modified.conffile..etc.apport.crashdb.conf: [modified]
mtime.conffile..etc.apport.crashdb.conf: 2018-10-04T06:36:50.792292
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug cosmic regression-release
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https://bugs.launchpad.net/bugs/1802574
Title:
laptop screen never comes on after undock / sleep / open of laptop
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