Public bug reported:
I boot my system without any sound devices plugged into any jacks;
checking Gnome settings Sound, Output Device is "Dummy Output" (no other
options available in drop-down list). I plug in headphones into the
front jack and play some audio, but do not hear any sound from the
headphones; checking Gnome settings Sound, the Output Device is still
"Dummy Output", with no other options available.
This is a regression from previous behaviour, when plugging in
headphones into the front jack would automatically enable/switch to the
front jack and its associated controller "Family 17h (Models 00h-0fh) HD
Audio Controller" (this is the motherboard's onboard audio hardware).
I can currently workaround this each time I plug in the headphones by
installing and running pavucontrol, and under Configuration selecting
"Analogue Stereo Output (unplugged) (unavailable)" - this option becomes
"Analogue Stereo Output" after I select it.
This seems to be a regression in pulseaudio after an upgrade from from
1:13.99.1-1ubuntu3.3 to 1:13.99.1-1ubuntu3.5.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44
Uname: Linux 5.4.0-42-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: chinf 1741 F.... pulseaudio
/dev/snd/pcmC1D0p: chinf 1741 F...m pulseaudio
/dev/snd/controlC0: chinf 1741 F.... pulseaudio
/dev/snd/timer: chinf 1741 f.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sun Jul 26 12:46:52 2020
InstallationDate: Installed on 2018-10-29 (635 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3)
PackageArchitecture: all
SourcePackage: alsa-driver
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_DevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: chinf 1741 F.... pulseaudio
/dev/snd/controlC0: chinf 1741 F.... pulseaudio
Symptom_Jack: Green Headphone Out, Front
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: No sound at all
Title: [To Be Filled By O.E.M., Realtek ALC892, Green Headphone Out, Front] No
sound at all
UpgradeStatus: Upgraded to focal on 2020-05-04 (83 days ago)
dmi.bios.date: 12/19/2018
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P5.40
dmi.board.name: AB350 Pro4
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP5.40:bd12/19/2018:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnAB350Pro4:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: To Be Filled By O.E.M.
dmi.product.sku: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal wayland-session
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https://bugs.launchpad.net/bugs/1888992
Title:
[Realtek ALC892, Green Headphone Out, Front] Not detecting/switching
to front jack after plugging in headphones
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