Comment 0 for bug 1913014

$ lsb_release -rd
Description: Ubuntu 18.04 LTS
Release: 18.04

$ uname -a
Linux 201712-26015 5.4.0-65-generic #73~18.04.1-Ubuntu SMP Tue Jan 19 09:02:24 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

$ apt-cache policy linux-image-5.4.0-65-generic
linux-image-5.4.0-65-generic:
  Installed: 5.4.0-65.73~18.04.1
  Candidate: 5.4.0-65.73~18.04.1
  Version table:
 *** 5.4.0-65.73~18.04.1 500
        500 http://archive.ubuntu.com/ubuntu bionic-proposed/main amd64 Packages
        100 /var/lib/dpkg/status

Steps to reproduce:

* Install the OEM Bionic image on the Dell XPS 13 9370 laptop
* Add the bionic-proposed repo
* apt install linux-generic-hwe-18.04
* Reboot
* Open the Gnome audio settings and then the speaker testing panel
* Click any of the "Test" buttons

Expected: a "front left" or "front right" sound is played via the laptops internal speakers.
Actual: there is no sound.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-5.4.0-65-generic 5.4.0-65.73~18.04.1
ProcVersionSignature: Ubuntu 5.4.0-65.73~18.04.1-generic 5.4.78
Uname: Linux 5.4.0-65-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Mon Jan 25 13:49:45 2021
InstallationDate: Installed on 2021-01-25 (0 days ago)
InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary 20180608-09:38
SourcePackage: linux-signed-hwe-5.4
UpgradeStatus: No upgrade log present (probably fresh install)