*** This bug is a duplicate of bug 1958410 ***
https://bugs.launchpad.net/bugs/1958410
** This bug has been marked a duplicate of bug 1958410
bytcr_rt5640 sound not working with kernel >= 5.13
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https://bugs.launchpad.net/bugs/1961344
Title:
Sound works in LIVE cd but not in Installation
Status in alsa-driver package in Ubuntu:
New
Bug description:
Hello, I am using a Nextbook Flexx 10.1 I have attempted to use
multiple fixes described online to no avail. It seems that when using
the live mode off of the boot flash drive audio works fine. Alsamixer
reports bytcr-rt5640 as sound card. however once installed no audio.
alsamixer reports sof-bytcht rt5640 as card selected
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 5.13.0-30.33~20.04.1-generic 5.13.19
Uname: Linux 5.13.0-30-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: delgadb2 1271 F.... pulseaudio
/dev/snd/controlC0: delgadb2 1271 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Thu Feb 17 12:51:34 2022
InstallationDate: Installed on 2022-02-17 (0 days ago)
InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819)
PackageArchitecture: all
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:rt5640 failed
Symptom_Card: Built-in Audio - sof-bytcht rt5640
Symptom_DevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: delgadb2 1271 F.... pulseaudio
/dev/snd/controlC0: delgadb2 1271 F.... pulseaudio
Symptom_Type: No sound at all
Title: [SOF - sof-bytcht rt5640, playback] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/09/2015
dmi.bios.release: 18.18
dmi.bios.vendor: INSYDE Corp.
dmi.bios.version: NX1015.2.02.017
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: NXM1015BFP
dmi.board.vendor: YIFANG
dmi.board.version: 1.2
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.ec.firmware.release: 0.0
dmi.modalias:
dmi:bvnINSYDECorp.:bvrNX1015.2.02.017:bd11/09/2015:br18.18:efr0.0:svnYIFANG:pnNXW101QC232T:pvrType1-TBDbyOEM:rvnYIFANG:rnNXM1015BFP:rvr1.2:cvnChassisManufacturer:ct10:cvrChassisVersion:skuType1-SKU0:
dmi.product.family: M1015BFP T10220300
dmi.product.name: NXW101QC232T
dmi.product.sku: Type1 - SKU0
dmi.product.version: Type1 - TBD by OEM
dmi.sys.vendor: YIFANG
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