Public bug reported:
Lenovo ThinkBook 14s G2
1. Boot to windows (ah yes, I'm still using windows for something that's not
fully supported by Ubuntu).
2. Restart, boot to Ubuntu.
3. Got no sound, except just a cool "sssssssshreck" sound when it has to be a
sound, only a short sound although I'm about to play a long audio. Probably
each time playback is activated the short "sssssssshreck" sound is produced.
4. Restart, boot to Ubuntu again.
5. It is not fixed yet.
However the playback works if I fully turn the computer off and then
turn it on again, instead of restarting.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.8.0-48.54~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-48-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: fikr4n 1519 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Thu Mar 25 11:34:59 2021
InstallationDate: Installed on 2021-03-17 (7 days ago)
InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64
(20210209.1)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:sofhdadsp failed
Symptom_Card: sof-hda-dsp - sof-hda-dsp
Symptom_Jack: Speaker, Internal
Symptom_Type: None of the above
Title: [20VA, Realtek ALC287, Speaker, Internal] Playback problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/03/2021
dmi.bios.release: 1.38
dmi.bios.vendor: LENOVO
dmi.bios.version: F9CN38WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0Q55726 WIN
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: ThinkBook 14s G2 ITL
dmi.ec.firmware.release: 1.37
dmi.modalias:
dmi:bvnLENOVO:bvrF9CN38WW:bd03/03/2021:br1.38:efr1.37:svnLENOVO:pn20VA:pvrThinkBook14sG2ITL:rvnLENOVO:rnLNVNB161216:rvrSDK0Q55726WIN:cvnLENOVO:ct10:cvrThinkBook14sG2ITL:
dmi.product.family: ThinkBook 14s G2 ITL
dmi.product.name: 20VA
dmi.product.sku: LENOVO_MT_20VA_BU_idea_FM_ThinkBook 14s G2 ITL
dmi.product.version: ThinkBook 14s G2 ITL
dmi.sys.vendor: LENOVO
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2021-03-19T21:35:47.990357
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1921317
Title:
[20VA, Realtek ALC287, Speaker, Internal] Playback problem
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