Public bug reported:
Recently I reinstalled ubuntu on my laptop and this time I found that
when I connect the laptop to the tv with the hdmi I manage to get the
video working but with no sound, it reproduces from the laptop speakers.
On pulseaudio volume control the digital stereo hdmi output appears as
unplugged and unavailable.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.4.0-48.52-generic 5.4.60
Uname: Linux 5.4.0-48-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.9
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: lucas 1634 F.... pulseaudio
/dev/snd/controlC0: lucas 1634 F.... pulseaudio
/dev/snd/pcmC0D0c: lucas 1634 F...m pulseaudio
/dev/snd/pcmC0D0p: lucas 1634 F...m pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Tue Oct 6 17:29:42 2020
InstallationDate: Installed on 2020-09-29 (7 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:NVidia failed
Symptom_Card: GP107GL High Definition Audio Controller - HDA NVidia
Symptom_DevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: lucas 1634 F.... pulseaudio
/dev/snd/controlC0: lucas 1634 F.... pulseaudio
/dev/snd/pcmC0D0c: lucas 1634 F...m pulseaudio
/dev/snd/pcmC0D0p: lucas 1634 F...m pulseaudio
Symptom_Jack: Digital Out, HDMI
Symptom_Type: No sound at all
Title: [HP Pavilion Notebook, Nvidia GPU 80 HDMI/DP, Digital Out, HDMI] No
sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/13/2019
dmi.bios.vendor: AMI
dmi.bios.version: F.26
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 84F7
dmi.board.vendor: HP
dmi.board.version: 07.10
dmi.chassis.type: 10
dmi.chassis.vendor: HP
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAMI:bvrF.26:bd12/13/2019:svnHP:pnHPPavilionNotebook:pvr:rvnHP:rn84F7:rvr07.10:cvnHP:ct10:cvrChassisVersion:
dmi.product.family: 103C_5335KV HP Pavilion
dmi.product.name: HP Pavilion Notebook
dmi.product.sku: 4AR14EA#ABE
dmi.sys.vendor: HP
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1898747
Title:
[HP Pavilion Notebook, Nvidia GPU 80 HDMI/DP, Digital Out, HDMI] No
sound at all on hdmi audio output
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