Public bug reported: This seems to happen at very random times. I can be listening to something and after opening another tab in the Firefox browser the sounds immediately distorts to crackling and distorted sound. The only fix is to kill the pulse audio process after pausing the audio (which continues a couple seconds after). Then restarting the audio is normal again
ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: pulseaudio 1:13.99.1-1ubuntu3.12 ProcVersionSignature: Ubuntu 5.11.0-38.42~20.04.1-generic 5.11.22 Uname: Linux 5.11.0-38-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu27.21 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: scott 23106 F.... pulseaudio /dev/snd/controlC2: scott 23106 F.... pulseaudio /dev/snd/pcmC2D0p: scott 23106 F...m pulseaudio /dev/snd/controlC1: scott 23106 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Sat Oct 30 15:42:13 2021 InstallationDate: Installed on 2020-10-21 (373 days ago) InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: pulseaudio 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_Jack: Green Line Out, Rear Symptom_PulseAudioLog: Symptom_PulsePlaybackTest: PulseAudio playback test failed Symptom_Type: Underruns, dropouts, or "crackling" sound Title: [System Product Name, Realtek ALC1220, Green Line Out, Rear] Underruns, dropouts or crackling sound UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/12/2019 dmi.bios.release: 5.13 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 5220 dmi.board.asset.tag: Default string dmi.board.name: PRIME X370-PRO 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.:bvr5220:bd09/12/2019:br5.13:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:skuSKU:rvnASUSTeKCOMPUTERINC.:rnPRIMEX370-PRO: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: pulseaudio (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug focal -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1949270 Title: [System Product Name, Realtek ALC1220, Green Line Out, Rear] Underruns, dropouts or crackling sound Status in pulseaudio package in Ubuntu: New Bug description: This seems to happen at very random times. I can be listening to something and after opening another tab in the Firefox browser the sounds immediately distorts to crackling and distorted sound. The only fix is to kill the pulse audio process after pausing the audio (which continues a couple seconds after). Then restarting the audio is normal again ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: pulseaudio 1:13.99.1-1ubuntu3.12 ProcVersionSignature: Ubuntu 5.11.0-38.42~20.04.1-generic 5.11.22 Uname: Linux 5.11.0-38-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu27.21 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: scott 23106 F.... pulseaudio /dev/snd/controlC2: scott 23106 F.... pulseaudio /dev/snd/pcmC2D0p: scott 23106 F...m pulseaudio /dev/snd/controlC1: scott 23106 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Sat Oct 30 15:42:13 2021 InstallationDate: Installed on 2020-10-21 (373 days ago) InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: pulseaudio 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_Jack: Green Line Out, Rear Symptom_PulseAudioLog: Symptom_PulsePlaybackTest: PulseAudio playback test failed Symptom_Type: Underruns, dropouts, or "crackling" sound Title: [System Product Name, Realtek ALC1220, Green Line Out, Rear] Underruns, dropouts or crackling sound UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/12/2019 dmi.bios.release: 5.13 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 5220 dmi.board.asset.tag: Default string dmi.board.name: PRIME X370-PRO 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.:bvr5220:bd09/12/2019:br5.13:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:skuSKU:rvnASUSTeKCOMPUTERINC.:rnPRIMEX370-PRO: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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1949270/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp