Public bug reported:
Lenovo Legion Y540-15IRH, model name 81SX, MTM: 81SX00A3RK. Touchpad
works on Windows 10, but does not work on Linux Ubuntu Budgie 20.04.2
LTS.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-81-generic 5.4.0-81.91
ProcVersionSignature: Ubuntu 5.4.0-81.91-generic 5.4.128
Uname: Linux 5.4.0-81-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.18
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: raylend 1659 F.... pulseaudio
/dev/snd/controlC0: raylend 1659 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: Budgie:GNOME
Date: Sun Aug 22 20:41:40 2021
InstallationDate: Installed on 2020-05-17 (462 days ago)
InstallationMedia: Ubuntu-Budgie 20.04 LTS "Focal Fossa" - Release amd64
(20200423)
MachineType: LENOVO 81SX
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-81-generic
root=UUID=4f63cec8-75a6-45ed-b628-e808c54fe158 ro quiet splash acpi_osi=
vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.4.0-81-generic N/A
linux-backports-modules-5.4.0-81-generic N/A
linux-firmware 1.187.16
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/30/2020
dmi.bios.vendor: LENOVO
dmi.bios.version: BHCN41WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: NO DPK
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Legion Y540-15IRH
dmi.modalias:
dmi:bvnLENOVO:bvrBHCN41WW:bd11/30/2020:svnLENOVO:pn81SX:pvrLegionY540-15IRH:rvnLENOVO:rnLNVNB161216:rvrNODPK:cvnLENOVO:ct10:cvrLegionY540-15IRH:
dmi.product.family: Legion Y540-15IRH
dmi.product.name: 81SX
dmi.product.sku: LENOVO_MT_81SX_BU_idea_FM_Legion Y540-15IRH
dmi.product.version: Legion Y540-15IRH
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1940778
Title:
Touchpad does not work on Linux Ubuntu 20.04 LTS, but it does work on
Windows 10
Status in linux package in Ubuntu:
Confirmed
Bug description:
Lenovo Legion Y540-15IRH, model name 81SX, MTM: 81SX00A3RK. Touchpad
works on Windows 10, but does not work on Linux Ubuntu Budgie 20.04.2
LTS.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-81-generic 5.4.0-81.91
ProcVersionSignature: Ubuntu 5.4.0-81.91-generic 5.4.128
Uname: Linux 5.4.0-81-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.18
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: raylend 1659 F.... pulseaudio
/dev/snd/controlC0: raylend 1659 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: Budgie:GNOME
Date: Sun Aug 22 20:41:40 2021
InstallationDate: Installed on 2020-05-17 (462 days ago)
InstallationMedia: Ubuntu-Budgie 20.04 LTS "Focal Fossa" - Release amd64
(20200423)
MachineType: LENOVO 81SX
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-81-generic
root=UUID=4f63cec8-75a6-45ed-b628-e808c54fe158 ro quiet splash acpi_osi=
vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.4.0-81-generic N/A
linux-backports-modules-5.4.0-81-generic N/A
linux-firmware 1.187.16
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/30/2020
dmi.bios.vendor: LENOVO
dmi.bios.version: BHCN41WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: NO DPK
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Legion Y540-15IRH
dmi.modalias:
dmi:bvnLENOVO:bvrBHCN41WW:bd11/30/2020:svnLENOVO:pn81SX:pvrLegionY540-15IRH:rvnLENOVO:rnLNVNB161216:rvrNODPK:cvnLENOVO:ct10:cvrLegionY540-15IRH:
dmi.product.family: Legion Y540-15IRH
dmi.product.name: 81SX
dmi.product.sku: LENOVO_MT_81SX_BU_idea_FM_Legion Y540-15IRH
dmi.product.version: Legion Y540-15IRH
dmi.sys.vendor: LENOVO
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