this also works for 5.8.0.48
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https://bugs.launchpad.net/bugs/1916988
Title:
Internal microphone not being recognized on Lenovo Yoga Slim 7 after
kernel upgrade
Status in linux package in Ubuntu:
Confirmed
Bug description:
After updating some packages which included a new version of kernel
(5.8.0-44-generic) the internal microphone of my Lenovo Yoga Slim 7
does not work anymore and it doesn't seem to be recognized in
Settings->Sound (I attached a screenshot)
1. ~$ lsb_release -rd
Description: Ubuntu 20.04.2 LTS
Release: 20.04
2. ~# apt-cache policy linux-image-5.8.0-44-generic
linux-image-5.8.0-44-generic:
Installed: 5.8.0-44.50~20.04.1
Candidate: 5.8.0-44.50~20.04.1
Version table:
*** 5.8.0-44.50~20.04.1 500
500 http://at.archive.ubuntu.com/ubuntu focal-updates/main amd64
Packages
500 http://security.ubuntu.com/ubuntu focal-security/main amd64
Packages
100 /var/lib/dpkg/status
3. Expected internal microphone to work
4. Internal microphone not working
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: stefan 1690 F.... pulseaudio
/dev/snd/controlC0: stefan 1690 F.... pulseaudio
CasperMD5CheckResult: skip
DistroRelease: Ubuntu 20.04
InstallationDate: Installed on 2021-02-15 (10 days ago)
InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64
(20210209.1)
MachineType: LENOVO 82A2
Package: linux (not installed)
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-44-generic
root=UUID=06bbabdd-494d-48b9-b17e-31cb56c8ff0f ro quiet splash
mem_sleep_default=deep vt.handoff=7
ProcVersionSignature: Ubuntu 5.8.0-44.50~20.04.1-generic 5.8.18
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-5.8.0-44-generic N/A
linux-backports-modules-5.8.0-44-generic N/A
linux-firmware 1.187.9
Tags: focal
Uname: Linux 5.8.0-44-generic x86_64
UnreportableReason: This report is about a package that is not installed.
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: N/A
_MarkForUpload: False
dmi.bios.date: 01/18/2020
dmi.bios.release: 1.38
dmi.bios.vendor: LENOVO
dmi.bios.version: DMCN38WW
dmi.board.asset.tag: ���������������
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40709 WIN
dmi.chassis.asset.tag: ���������������
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Yoga Slim 7 14ARE05
dmi.ec.firmware.release: 1.29
dmi.modalias:
dmi:bvnLENOVO:bvrDMCN38WW:bd01/18/2020:br1.38:efr1.29:svnLENOVO:pn82A2:pvrYogaSlim714ARE05:rvnLENOVO:rnLNVNB161216:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrYogaSlim714ARE05:
dmi.product.family: Yoga Slim 7 14ARE05
dmi.product.name: 82A2
dmi.product.sku: LENOVO_MT_82A2_BU_idea_FM_Yoga Slim 7 14ARE05
dmi.product.version: Yoga Slim 7 14ARE05
dmi.sys.vendor: LENOVO
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: stefan 1690 F.... pulseaudio
/dev/snd/controlC0: stefan 1690 F.... pulseaudio
CasperMD5CheckResult: skip
DistroRelease: Ubuntu 20.04
InstallationDate: Installed on 2021-02-15 (10 days ago)
InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64
(20210209.1)
Package: alsa-base 1.0.25+dfsg-0ubuntu5
PackageArchitecture: all
ProcVersionSignature: Ubuntu 5.8.0-44.50~20.04.1-generic 5.8.18
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
Tags: third-party-packages focal
Uname: Linux 5.8.0-44-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: N/A
_MarkForUpload: True
dmi.bios.date: 01/18/2020
dmi.bios.release: 1.38
dmi.bios.vendor: LENOVO
dmi.bios.version: DMCN38WW
dmi.board.asset.tag: ���������������
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40709 WIN
dmi.chassis.asset.tag: ���������������
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Yoga Slim 7 14ARE05
dmi.ec.firmware.release: 1.29
dmi.modalias:
dmi:bvnLENOVO:bvrDMCN38WW:bd01/18/2020:br1.38:efr1.29:svnLENOVO:pn82A2:pvrYogaSlim714ARE05:rvnLENOVO:rnLNVNB161216:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrYogaSlim714ARE05:
dmi.product.family: Yoga Slim 7 14ARE05
dmi.product.name: 82A2
dmi.product.sku: LENOVO_MT_82A2_BU_idea_FM_Yoga Slim 7 14ARE05
dmi.product.version: Yoga Slim 7 14ARE05
dmi.sys.vendor: LENOVO
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