Public bug reported:
I was running Ubuntu 20.04 flawlessly, but when I got an update from the kernel
5.11 to the 5.13, then I got the dummy output e no sound comes out from my
speakers or mic.
I made a fresh install without updating and I got the sound back. When I update
the issue comes back.
The same problem occurs on other distros with the 5.13 kernel and with the 5.15
as well.
When my sound was working the name of my audio device was chtnau8824.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.13.0-27.29~20.04.1-generic 5.13.19
Uname: Linux 5.13.0-27-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.18
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: wolff 1337 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sun Jan 30 20:46:48 2022
InstallationDate: Installed on 2022-01-30 (0 days ago)
InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Title: PCI/internal sound card not detected
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/15/2018
dmi.bios.release: 8.17
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 8.17
dmi.board.asset.tag: Default string
dmi.board.name: PC024
dmi.board.vendor: MULTILASER
dmi.board.version: 1.0
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 10
dmi.chassis.vendor: MULTILASER
dmi.chassis.version: 1
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr8.17:bd03/15/2018:br8.17:svnMULTILASER:pnPC024:pvr1:rvnMULTILASER:rnPC024:rvr1.0:cvnMULTILASER:ct10:cvr1:skuPN20170328466:
dmi.product.family: EMI30P3S5M122L24B303T0C00W1H2G0G0A0C0P1C0D0C1801M0N1X1WOS
dmi.product.name: PC024
dmi.product.sku: PN20170328466
dmi.product.version: 1
dmi.sys.vendor: MULTILASER
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1959531
Title:
PCI/internal sound card (chtnau8824) not detected on kernel 5.13
(Dummy output)
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