Public bug reported: Following upgrade to 20.04, I have no audio. My output device is "Dummy Output". I chose one audio device to report against: none are detected. All this may be obvious from the auto-detected diagnostics. It was working in 18.04
ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: pulseaudio 1:13.99.1-1ubuntu3.7 ProcVersionSignature: Ubuntu 5.4.0-51.56-generic 5.4.65 Uname: Linux 5.4.0-51-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.9 Architecture: amd64 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CasperMD5CheckResult: skip CurrentDesktop: MATE Date: Mon Oct 19 19:43:52 2020 InstallationDate: Installed on 2018-05-05 (897 days ago) InstallationMedia: Ubuntu-MATE 18.04 LTS "Bionic Beaver" - Release amd64 (20180505) SourcePackage: pulseaudio Symptom: audio Symptom_Card: HDA-Intel - HDA Intel MID Symptom_Jack: Mic, Top Title: [Vostro 3300, IDT 92HD81B1X5, Mic, Top] Pulseaudio fails to detect card UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/25/2010 dmi.bios.vendor: Dell Inc. dmi.bios.version: A10 dmi.board.name: 030DMJ dmi.board.vendor: Dell Inc. dmi.board.version: A10 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: A10 dmi.modalias: dmi:bvnDellInc.:bvrA10:bd10/25/2010:svnDellInc.:pnVostro3300:pvrA10:rvnDellInc.:rn030DMJ:rvrA10:cvnDellInc.:ct8:cvrA10: dmi.product.name: Vostro 3300 dmi.product.sku: To be filled by O.E.M. dmi.product.version: A10 dmi.sys.vendor: Dell Inc. ** Affects: ubuntu Importance: Undecided Status: New ** Tags: amd64 apport-bug focal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1900481 Title: [Vostro 3300, IDT 92HD81B1X5, Mic, Top] Pulseaudio fails to detect card To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1900481/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs