You have been subscribed to a public bug:
audio defaults to dummu output instead of HDMI audio
Using Ubuntu 23.04
Audio need to stay at HDMI output from shutdown or restart
Alsamixer did not repair problem and am unable to download Pulse Audio
ProblemType: Bug
DistroRelease: Ubuntu 23.10
Package: alsa-base 1.0.25+dfsg-0ubuntu7
ProcVersionSignature: Ubuntu 6.5.0-15.15-generic 6.5.3
Uname: Linux 6.5.0-15-generic x86_64
ApportVersion: 2.27.0-0ubuntu5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: photom 923 F.... wireplumber
/dev/snd/controlC1: photom 923 F.... wireplumber
/dev/snd/seq: photom 917 F.... pipewire
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Thu Mar 7 14:27:41 2024
InstallationDate: Installed on 2023-07-08 (243 days ago)
InstallationMedia: Ubuntu 23.04 "Lunar Lobster" - Release amd64 (20230418)
PackageArchitecture: all
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
XDG_RUNTIME_DIR=<set>
SourcePackage: alsa-driver
Symptom: audio
UpgradeStatus: Upgraded to mantic on 2023-11-17 (111 days ago)
dmi.bios.date: 11/18/2016
dmi.bios.release: 8.15
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0502
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: M5A78L-M PLUS/USB3
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr0502:bd11/18/2016:br8.15:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM5A78L-MPLUS/USB3:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:skuToBeFilledByO.E.M.:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: To Be Filled By O.E.M.
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug mantic wayland-session
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audio output defaults to dummy output
https://bugs.launchpad.net/bugs/2056488
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