Public bug reported:
No sound. Sound goes to dummy output
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: pulseaudio 1:10.0-2ubuntu3.1
ProcVersionSignature: Ubuntu 4.13.0-38.43-generic 4.13.16
Uname: Linux 4.13.0-38-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.7
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: lukasbirstonas 1259 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Tue Apr 17 21:25:57 2018
InstallationDate: Installed on 2017-12-02 (136 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
SourcePackage: pulseaudio
Symptom: audio
Symptom_Card: HDA-Intel - HDA Intel PCH
Symptom_Jack: Green Headphone Out, Front
Title: [20CD0034UK, Conexant CX20751/2, Green Headphone Out, Front] Pulseaudio
fails to detect card
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/21/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: GQET35WW (1.15 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20CD0034UK
dmi.board.vendor: LENOVO
dmi.board.version: SDK0E50518 Std
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrGQET35WW(1.15):bd04/21/2014:svnLENOVO:pn20CD0034UK:pvrThinkPadS1Yoga:rvnLENOVO:rn20CD0034UK:rvrSDK0E50518Std:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.family: ThinkPad S1 Yoga
dmi.product.name: 20CD0034UK
dmi.product.version: ThinkPad S1 Yoga
dmi.sys.vendor: LENOVO
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug artful wayland-session
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https://bugs.launchpad.net/bugs/1764827
Title:
sometimes, maybe after pluging in headphones, there is no sound. Sound
goes thrue ,,dummy output''
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