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Steps to replicate the bug.
1. Start laptop with Ubuntu 18.04.3 LTS.
Sound from built-in speakers works fine.
Settings -> Sound -> Output shows one device: Speakers - Built-in Audio
2. Connect headphones (wired, mini-jack connector).
Sound from headphones works fine. No sound from built-in speakers (which is OK,
obviously).
Settings -> Sound -> Output shows one device: Headphones - Built-in Audio
3. Disconnect headphones from computer.
No sound from built-in speakers.
Settings -> Sound -> Output shows one device: Speakers - Built-in Audio (ON,
high volume)
Changing volume, turning ON -> OFF -> ON, user logout->login doesn't
help. Only full laptop restart helps.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.0.0-32.34~18.04.2-generic 5.0.21
Uname: Linux 5.0.0-32-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.9
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: marcin 2115 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Mon Nov 11 12:26:58 2019
InstallationDate: Installed on 2019-04-02 (223 days ago)
InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_DevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: gdm 1672 F.... pulseaudio
marcin 2115 F.... pulseaudio
Symptom_Jack: Speaker, Internal
Symptom_Type: No sound at all
Title: [HP ZBook Studio G5, Conexant Generic, Speaker, Internal] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/15/2019
dmi.bios.vendor: HP
dmi.bios.version: Q71 Ver. 01.08.00
dmi.board.name: 8427
dmi.board.vendor: HP
dmi.board.version: KBC Version 16.3A.00
dmi.chassis.asset.tag: 5CD91018X5
dmi.chassis.type: 10
dmi.chassis.vendor: HP
dmi.modalias:
dmi:bvnHP:bvrQ71Ver.01.08.00:bd07/15/2019:svnHP:pnHPZBookStudioG5:pvr:rvnHP:rn8427:rvrKBCVersion16.3A.00:cvnHP:ct10:cvr:
dmi.product.family: 103C_5336AN HP ZBook Studio
dmi.product.name: HP ZBook Studio G5
dmi.product.sku: 2YN61AV
dmi.sys.vendor: HP
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic wayland-session
--
[HP ZBook Studio G5, Conexant Generic, Speaker, Internal] No sound from
built-in speakers after disconnecting headphones. Prior to connecting
headphones speakers works ok.
https://bugs.launchpad.net/bugs/1852067
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