Public bug reported:
This is similar to, but not identical to #1374830.
I am running a Lenovo P1 with an external monitor. Generally the laptop
lid is closed and I am relying just on an external monitor, mouse and
keyboard.
*Sometimes*, when waking the machine from sleep either:
a. It does not wake the external monitor at all, or
b1. It wakes the external monitor, but all I get is a mouse cursor on a black
screen. Letting it time out and invoke the screensaver then enables me to
login, or
b2. As b1, but the screensaver does not start. I then have to open and shut the
laptop lid in order to wake the external monitor properly.
This whole behaviour is more common when the sleep has been of long
duration, e.g. overnight.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xfce4-power-manager 1.6.6-1
ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44
Uname: Linux 5.4.0-42-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.6
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: XFCE
Date: Sun Aug 23 10:44:58 2020
InstallationDate: Installed on 2020-08-09 (13 days ago)
InstallationMedia: Xubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
SourcePackage: xfce4-power-manager
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: xfce4-power-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
** Attachment added: "Power manager settings"
https://bugs.launchpad.net/bugs/1892621/+attachment/5403818/+files/Screenshot_2020-08-23_10-56-02.png
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https://bugs.launchpad.net/bugs/1892621
Title:
No login screen when waking from sleep
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