Thank you for reporting this bug to Ubuntu. Ubuntu 20.10 (groovy) reached end-of-life on July 22, 2021.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test. If you then find the bug is still present in the newer Ubuntu version, please add a comment here telling us which new version it is in. ** Changed in: alsa-driver (Ubuntu) Status: New => Won't Fix -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1903818 Title: [Swift SF314-42, ATI R6xx HDMI, Digital Out, HDMI] No sound at all Status in alsa-driver package in Ubuntu: Won't Fix Bug description: Only dummy output, plugged headphones doesn't work neither, but bluetooth speaker does work, after the bluetooth speaker has been connected, the analog output appears ProblemType: Bug DistroRelease: Ubuntu 20.10 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 5.8.0-26.27-generic 5.8.14 Uname: Linux 5.8.0-26-generic x86_64 ApportVersion: 2.20.11-0ubuntu50 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC2: basile 1806 F.... pulseaudio /dev/snd/controlC0: basile 1806 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Wed Nov 11 09:49:13 2020 InstallationDate: Installed on 2020-11-04 (6 days ago) InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022) PackageArchitecture: all ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=fr_FR.UTF-8 SHELL=/bin/bash SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Generic failed Symptom_Card: HD-Audio Generic - HD-Audio Generic Symptom_DevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC2: basile 1806 F.... pulseaudio /dev/snd/controlC0: basile 1806 F.... pulseaudio Symptom_Jack: Digital Out, HDMI Symptom_Type: No sound at all Title: [Swift SF314-42, ATI R6xx HDMI, Digital Out, HDMI] No sound at all UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 06/08/2020 dmi.bios.release: 1.4 dmi.bios.vendor: Insyde Corp. dmi.bios.version: V1.04 dmi.board.asset.tag: Type2 - Board Asset Tag dmi.board.name: Kona_RN dmi.board.vendor: RO dmi.board.version: V1.04 dmi.chassis.type: 10 dmi.chassis.vendor: Acer dmi.chassis.version: V1.04 dmi.ec.firmware.release: 1.4 dmi.modalias: dmi:bvnInsydeCorp.:bvrV1.04:bd06/08/2020:br1.4:efr1.4:svnAcer:pnSwiftSF314-42:pvrV1.04:rvnRO:rnKona_RN:rvrV1.04:cvnAcer:ct10:cvrV1.04: dmi.product.family: Swift 3 dmi.product.name: Swift SF314-42 dmi.product.sku: 0000000000000000 dmi.product.version: V1.04 dmi.sys.vendor: Acer modified.conffile..etc.modprobe.d.alsa-base.conf: [modified] mtime.conffile..etc.modprobe.d.alsa-base.conf: 2020-11-11T09:44:06.857625 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1903818/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

