[TUF Gaming FX505GT_FX505GT, Nvidia GPU 94 HDMI/DP, Digital Out, HDMI] Playback problem

[Dhananjaya Kurukulasooriya]

volume indicators show that the sound is playing but there is no any playback sound with the system

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.4.0-52.57-generic 5.4.65
Uname: Linux 5.4.0-52-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.10
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: dhananjaya 19109 F.... pulseaudio
 /dev/snd/controlC0: dhananjaya 19109 F.... pulseaudio
 /dev/snd/pcmC0D0c: dhananjaya 19109 F...m pulseaudio
 /dev/snd/pcmC0D0p: dhananjaya 19109 F...m pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Fri Oct 23 08:58:40 2020
InstallationDate: Installed on 2020-10-22 (0 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:NVidia failed
Symptom_Card: HDA NVidia - HDA NVidia
Symptom_Jack: Digital Out, HDMI
Symptom_Type: None of the above
Title: [TUF Gaming FX505GT_FX505GT, Nvidia GPU 94 HDMI/DP, Digital Out, HDMI] Playback problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/22/2020
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: FX505GT.308
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: FX505GT
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrFX505GT.308:bd09/22/2020:svnASUSTeKCOMPUTERINC.:pnTUFGamingFX505GT_FX505GT:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnFX505GT:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.family: TUF Gaming
dmi.product.name: TUF Gaming FX505GT_FX505GT
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2020-10-23T08:16:34.031419

[Victor Engmark (victor-engmark)]

I've got what looks like a pretty similar issue with the same series motherboard and same brand of GPU: https://askubuntu.com/q/1286894/10371

[Victor Engmark (victor-engmark)]

This looks like a likely suspect: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1867704