Public bug reported:
i can play sound without headphone but when i connect headphone sound
can not play at all.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: masoud 3192 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Mon Jan 28 14:31:19 2019
InstallationDate: Installed on 2019-01-15 (13 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
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 2111 F.... pulseaudio
masoud 3192 F.... pulseaudio
Symptom_Jack: Black Headphone Out, Left
Symptom_Type: No sound at all
Title: [X756UWK, Conexant CX20751/2, Black Headphone Out, Left] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/08/2017
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: X756UWK.307
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: X756UWK
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrX756UWK.307:bd03/08/2017:svnASUSTeKCOMPUTERINC.:pnX756UWK:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX756UWK:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.family: X
dmi.product.name: X756UWK
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1813557
Title:
[X756UWK, Conexant CX20751/2, Black Headphone Out, Left] No sound at
all
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