Public bug reported:
I have MSI Optix Pag241CR and it has one audio out port. I use it to
connect my speaker.
Sometimes it has great sound. But most of the time, I can hear a
crackling(buzz) noise while playing the music. It also happens when I
connect an earphone.
It has no issue connecting through green out (PC).
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.11.0-34.36~20.04.1-generic 5.11.22
Uname: Linux 5.11.0-34-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.20
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sun Sep 19 19:26:41 2021
InstallationDate: Installed on 2021-08-21 (29 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: GP106 High Definition Audio Controller - HDA NVidia
Symptom_Jack: Digital Out, HDMI
Symptom_Type: Underruns, dropouts, or "crackling" sound
Title: [MS-7A39, Nvidia GPU 84 HDMI/DP, Digital Out, HDMI] Underruns, dropouts
or crackling sound
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/20/2017
dmi.bios.release: 5.12
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: A.50
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: A320M GRENADE (MS-7A39)
dmi.board.vendor: MSI
dmi.board.version: 2.0
dmi.chassis.asset.tag: To be filled by O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MSI
dmi.chassis.version: 2.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrA.50:bd09/20/2017:br5.12:svnMSI:pnMS-7A39:pvr2.0:skuTobefilledbyO.E.M.:rvnMSI:rnA320MGRENADE(MS-7A39):rvr2.0:cvnMSI:ct3:cvr2.0:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: MS-7A39
dmi.product.sku: To be filled by O.E.M.
dmi.product.version: 2.0
dmi.sys.vendor: MSI
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2021-09-18T22:08:17.584907
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1944076
Title:
[MS-7A39, Nvidia GPU 84 HDMI/DP, Digital Out, HDMI] Underruns,
dropouts or crackling sound
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