Public bug reported: Output device keeps defaulting back to "Dummy Device". "Digital Surround 5.1 (HDMI) Output" is not available.
1. When sound is set back to its previous setting of "HDMI / DisplayPort - BuiltIn Audio" then the previous selection of "Digital Surround 5.1 (HDMI) Output" (and 7.1) is not available. 2. When sound is set to "Speakers Built-In Audio", then switched back to "HDMI / DisplayPort - BuiltIn Audio" then "Digital Surround 5.1 (HDMI) Output" IS available and the audio works correctly. When the TV / Amplifier is turned off, then back on, the audio again defaults back to "Dummy Device" forcing a repeat of scenario 2 in order to get it working again. ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: alsa-base 1.0.25+dfsg-0ubuntu7 ProcVersionSignature: Ubuntu 5.19.0-35.36~22.04.1-generic 5.19.17 Uname: Linux 5.19.0-35-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu82.3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: adlet 153650 F.... pulseaudio /dev/snd/pcmC0D3p: adlet 153650 F...m pulseaudio /dev/snd/pcmC0D0c: adlet 153650 F...m pulseaudio CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Fri Mar 17 19:54:52 2023 PackageArchitecture: all ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: alsa-driver Symptom: audio Symptom_Card: Built-in Audio - HDA Intel PCH Symptom_PulseAudioLog: Symptom_Type: Sound works for a while, then breaks Title: [HDA-Intel - HDA Intel PCH, playback] fails after a while UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/06/2021 dmi.bios.release: 5.19 dmi.bios.vendor: American Megatrends International, LLC. dmi.bios.version: X532EQ.300 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: X532EQ 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:bvnAmericanMegatrendsInternational,LLC.:bvrX532EQ.300:bd01/06/2021:br5.19:svnASUSTeKCOMPUTERINC.:pnVivoBook_ASUSLaptopX532EQ_S532EQ:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX532EQ:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:sku: dmi.product.family: VivoBook dmi.product.name: VivoBook_ASUSLaptop X532EQ_S532EQ dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. ** Affects: alsa-driver (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug jammy -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/2012114 Title: [HDA-Intel - HDA Intel PCH, playback] fails after a while Status in alsa-driver package in Ubuntu: New Bug description: Output device keeps defaulting back to "Dummy Device". "Digital Surround 5.1 (HDMI) Output" is not available. 1. When sound is set back to its previous setting of "HDMI / DisplayPort - BuiltIn Audio" then the previous selection of "Digital Surround 5.1 (HDMI) Output" (and 7.1) is not available. 2. When sound is set to "Speakers Built-In Audio", then switched back to "HDMI / DisplayPort - BuiltIn Audio" then "Digital Surround 5.1 (HDMI) Output" IS available and the audio works correctly. When the TV / Amplifier is turned off, then back on, the audio again defaults back to "Dummy Device" forcing a repeat of scenario 2 in order to get it working again. ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: alsa-base 1.0.25+dfsg-0ubuntu7 ProcVersionSignature: Ubuntu 5.19.0-35.36~22.04.1-generic 5.19.17 Uname: Linux 5.19.0-35-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu82.3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: adlet 153650 F.... pulseaudio /dev/snd/pcmC0D3p: adlet 153650 F...m pulseaudio /dev/snd/pcmC0D0c: adlet 153650 F...m pulseaudio CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Fri Mar 17 19:54:52 2023 PackageArchitecture: all ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: alsa-driver Symptom: audio Symptom_Card: Built-in Audio - HDA Intel PCH Symptom_PulseAudioLog: Symptom_Type: Sound works for a while, then breaks Title: [HDA-Intel - HDA Intel PCH, playback] fails after a while UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/06/2021 dmi.bios.release: 5.19 dmi.bios.vendor: American Megatrends International, LLC. dmi.bios.version: X532EQ.300 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: X532EQ 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:bvnAmericanMegatrendsInternational,LLC.:bvrX532EQ.300:bd01/06/2021:br5.19:svnASUSTeKCOMPUTERINC.:pnVivoBook_ASUSLaptopX532EQ_S532EQ:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX532EQ:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:sku: dmi.product.family: VivoBook dmi.product.name: VivoBook_ASUSLaptop X532EQ_S532EQ dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. 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