@hui.wang Thanks for looking into it and explaining how it works.
What you describe is compatible with what I'm seeing, but I don't think I misclicked on that dialog that many times :-) I will test it again soon though. Is there any possibility that the dialog has some kind of issue where it can't apply the user selection or that its default option has changed when the dialog doesn't pop up or something else goes wrong? It's extremely unlikely that I misclicked "Mic" everytime (I may have clicked on it once or twice just to experiment a little). Do you know if there's some command or tool that will show that popup again allowing me to confirm/fix my selection after plugging it in and getting no sound? That would be easier to test than unplugging the headphones over and over. If there's a command-line tool that does the same thing and prints out better diagnostics, that would be helpful to understand what's going on. -- 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/1901926 Title: [HDA-Intel - HDA Intel PCH, playback] No sound at all from headphones Status in alsa-driver package in Ubuntu: Confirmed Bug description: There is no sound at all from the headphones (p3 out). Speakers work fine. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: alsa-base 1.0.25+dfsg-0ubuntu5 ProcVersionSignature: Ubuntu 5.4.0-52.57-generic 5.4.65 Uname: Linux 5.4.0-52-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.10 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: sartojr 2255 F.... pulseaudio /dev/snd/controlC0: sartojr 2255 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Wed Oct 28 13:48:59 2020 InstallationDate: Installed on 2020-01-14 (287 days ago) InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805) PackageArchitecture: all ProcEnviron: LANGUAGE=pt_BR:pt:en PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=pt_BR.UTF-8 SHELL=/bin/bash SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH successful Symptom_Card: HDA NVidia - HDA NVidia Symptom_DevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: sartojr 2255 F.... pulseaudio /dev/snd/controlC0: sartojr 2255 F.... pulseaudio Symptom_PulsePlaybackTest: PulseAudio playback test successful Symptom_Type: No sound at all Title: [HDA-Intel - HDA Intel PCH, playback] No sound at all UpgradeStatus: Upgraded to focal on 2020-10-04 (24 days ago) dmi.bios.date: 11/04/2019 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P03REZ.041.191104.FL dmi.board.asset.tag: No Asset Tag dmi.board.name: NP760XBE-XW1BR dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.board.version: SGL9947A0Y-C01-G003-S0001+10.0.17763 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.chassis.version: N/A dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP03REZ.041.191104.FL:bd11/04/2019:svnSAMSUNGELECTRONICSCO.,LTD.:pn760XBE:pvrP03REZ:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP760XBE-XW1BR:rvrSGL9947A0Y-C01-G003-S0001+10.0.17763:cvnSAMSUNGELECTRONICSCO.,LTD.:ct10:cvrN/A: dmi.product.family: Notebook 7 Series dmi.product.name: 760XBE dmi.product.sku: SCAI-A5A5-A5A5-A5A5-PREZ dmi.product.version: P03REZ dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. mtime.conffile..etc.modprobe.d.alsa-base.conf: 2020-04-11T15:48:00.584083 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1901926/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp