Public bug reported:
When I closed my laptop lid while sound was playing in Audacity and then
opened the lid back up, the device woke up from sleep. However, my
headphones were plugged in at the time, and Ubuntu acted as if the audio
resumed.
However, I was not hearing audio. So I went to the Audio section of
Settings and found there was only one sound device: Dummy Device,
instead of seeing the speakers built into the laptop and the headphones.
Description: Ubuntu 18.04.4 LTS
Release: 18.04
I am forced to reboot my machine as a workaround.
gnome-control-center:
Installed: 1:3.28.2-0ubuntu0.18.04.6
Candidate: 1:3.28.2-0ubuntu0.18.04.6
Version table:
*** 1:3.28.2-0ubuntu0.18.04.6 500
500 http://us.archive.ubuntu.com/ubuntu bionic-updates/main amd64
Packages
100 /var/lib/dpkg/status
1:3.28.1-0ubuntu1 500
500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gnome-control-center 1:3.28.2-0ubuntu0.18.04.6
ProcVersionSignature: Ubuntu 5.3.0-45.37~18.04.1-generic 5.3.18
Uname: Linux 5.3.0-45-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.14
Architecture: amd64
Date: Sun Apr 5 15:00:42 2020
InstallationDate: Installed on 2020-04-04 (1 days ago)
InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64
(20200203.1)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: gnome-control-center
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-control-center (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
** Attachment added: "Image of Audio Settings Menu"
https://bugs.launchpad.net/bugs/1870975/+attachment/5347299/+files/Screenshot%20from%202020-04-05%2014-51-31.png
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https://bugs.launchpad.net/bugs/1870975
Title:
No audio devices appear except "Dummy Output" when I close my laptop
lid while audio is playing and then open it back up.
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