Public bug reported:
I have loudspeakers connected on green output, on motherboard, and TV connected
with HDMI in another room.
With UBUNTU 18.04, I had to change manually sound output in parameters, sound
board.
I have just upgraded to UBUNTU 20.04. Change output seems now automatic. When I
connect TV with HDMI, I have sound on TV, but no more possibility to have sound
with loudspeakers connected to PC. I must disconnect HDMI cable to find again
sound on PC. And change manually sound output in parameters, sound board
doesn't work.
Thanking you in advance for your help.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.4.0-53.59-generic 5.4.65
Uname: Linux 5.4.0-53-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.12
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sat Nov 14 16:28:24 2020
InstallationDate: Installed on 2019-01-12 (671 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
PackageArchitecture: all
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=fr_FR.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Generic successful
Symptom_Card: Family 17h (Models 00h-0fh) HD Audio Controller - HD-Audio Generic
Symptom_DevicesInUse: Error: command ['pkexec', 'fuser', '-v',
'/dev/snd/by-path', '/dev/snd/controlC1', '/dev/snd/hwC1D0',
'/dev/snd/pcmC1D2c', '/dev/snd/pcmC1D1p', '/dev/snd/pcmC1D0c',
'/dev/snd/pcmC1D0p', '/dev/snd/controlC0', '/dev/snd/hwC0D0',
'/dev/snd/pcmC0D11p', '/dev/snd/pcmC0D10p', '/dev/snd/pcmC0D9p',
'/dev/snd/pcmC0D8p', '/dev/snd/pcmC0D7p', '/dev/snd/pcmC0D3p', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 126: Error executing command as another
user: Request dismissed
Symptom_Jack: Green Line Out, Rear
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: No sound at all
Title: [System Product Name, Realtek ALC887-VD, Green Line Out, Rear] No sound
at all
UpgradeStatus: Upgraded to focal on 2020-11-14 (0 days ago)
dmi.bios.date: 01/22/2018
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 3803
dmi.board.asset.tag: Default string
dmi.board.name: PRIME B350-PLUS
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr3803:bd01/22/2018:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEB350-PLUS:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:
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: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1904286
Title:
Updated UBUNTU to 20.04 : No sound when HDMI connected [System Product
Name, Realtek ALC887-VD, Green Line Out, Rear] No sound at all
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