Public bug reported:
I just upgraded a working system from an up-to-date 18.04.5 installation
to 20.04.1 and lost sound in the process.
The upgrade itself was uneventful but now Pulseaudio lists the dreaded
dummy output as the only available sound card.
Alsa correctly sees the card as Card: HDA Intel PCH, Chip: VIA VT1708S
in alsamixer for example.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: pulseaudio 1:13.99.1-1ubuntu3.8
ProcVersionSignature: Ubuntu 5.4.0-64.72-generic 5.4.78
Uname: Linux 5.4.0-64-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.14
Architecture: amd64
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path',
'/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D2p',
'/dev/snd/pcmC0D3p', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
CasperMD5CheckResult: skip
CurrentDesktop: MATE
Date: Sun Jan 24 09:03:01 2021
InstallationDate: Installed on 2013-11-10 (2631 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
ProcEnviron:
LANGUAGE=fr_FR
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=fr_FR.UTF-8
SHELL=/bin/bash
SourcePackage: pulseaudio
Symptom: audio
Symptom_Card: HDA-Intel - HDA Intel PCH
Symptom_Jack: Green Headphone Out, Front
Title: [System Product Name, VIA VT1708S, Green Headphone Out, Front]
Pulseaudio fails to detect card
UpgradeStatus: Upgraded to focal on 2021-01-22 (1 days ago)
dmi.bios.date: 08/06/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1403
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: P8B75-M LX
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.:bvr1403:bd08/06/2014:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnP8B75-MLX:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: SKU
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1912933
Title:
Pulseaudio dummy output after upgrade to 20.04
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