libasound2 and libasound2-data update replaces all audio outputs with "Dummy Output"

Bug #1903570 reported by rud on 2020-11-09
12
This bug affects 2 people
Affects Status Importance Assigned to Milestone
alsa-lib (Ubuntu)
Undecided
Unassigned

Bug Description

After updating libasound2 and libasound2-data the only audio output device is "Dummy Output". Rolling back to prev version solves it. AMD Ryzen 4800u laptop Lenovo S540-13ARE.

Description: Ubuntu 20.04.1 LTS
Release: 20.04

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: libasound2 1.2.2-2.1ubuntu2.1
Uname: Linux 5.8.18-050818-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.10
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: Budgie:GNOME
Date: Mon Nov 9 18:23:28 2020
InstallationDate: Installed on 2020-08-30 (71 days ago)
InstallationMedia: Ubuntu-Budgie 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
SourcePackage: alsa-lib
UpgradeStatus: No upgrade log present (probably fresh install)

rud (jazco) wrote :
rud (jazco) on 2020-11-09
summary: - After updating libasound2 and libasound2-data the only audio output
- device is "Dummy Output". Rolling back to prev version solves it. AMD
- Ryzen 4800u laptop Lenovo S540-13ARE.
+ libasound2 and libasound2-data update replaces all audio outputs with
+ "Dummy Output"
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in alsa-lib (Ubuntu):
status: New → Confirmed
engnome (yrrej-o) wrote :

Can confirm, updated:
libasound2-data:amd64 (1.2.2-2.1ubuntu2, 1.2.2-2.1ubuntu2.1)
and
libasound2:amd64 (1.2.2-2.1ubuntu2, 1.2.2-2.1ubuntu2.1)

and only have dummy output. Downgraded and it works again.

Also broken when testing Groovy Gorilla.

Thinkpad T14s, Ryzen 4750U.

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