[Bug 2139015] [NEW] touchpad not working

Public bug reported:

Touchpad is not working properly and not showing up as connected.

ProblemType: Bug
DistroRelease: Ubuntu 25.10
Package: linux-image-6.17.0-8-generic 6.17.0-8.8
ProcVersionSignature: Ubuntu 6.17.0-8.8-generic 6.17.2
Uname: Linux 6.17.0-8-generic x86_64
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: drazil 1971 F.... pipewire
drazil 1979 F.... wireplumber
/dev/snd/seq: drazil 1971 F.... pipewire
CasperMD5CheckResult: unknown
CurrentDesktop: KDE
Date: Sat Jan 24 21:56:27 2026
InstallationDate: Installed on 2025-01-09 (381 days ago)
InstallationMedia: Kubuntu 24.10 "Oracular Oriole" - Release amd64 (20241007.6)
MachineType: LENOVO 83DL
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.17.0-8-generic root=UUID=428a0e6f-601e-4d1f-b130-423f573bd40b ro quiet splash vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
firmware-sof N/A
linux-firmware 20250901.git993ff19b-0ubuntu1.5
SourcePackage: linux
UpgradeStatus: Upgraded to questing on 2025-12-08 (47 days ago)
dmi.bios.date: 08/28/2024
dmi.bios.release: 1.18
dmi.bios.vendor: LENOVO
dmi.bios.version: NWCN18WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0T76463 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 31
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Yoga 7 2-in-1 16IML9
dmi.ec.firmware.release: 1.18
dmi.modalias: dmi:bvnLENOVO:bvrNWCN18WW:bd08/28/2024:br1.18:efr1.18:svnLENOVO:pn83DL:pvrYoga72-in-116IML9:rvnLENOVO:rnLNVNB161216:rvrSDK0T76463WIN:cvnLENOVO:ct31:cvrYoga72-in-116IML9:skuLENOVO_MT_83DL_BU_idea_FM_Yoga72-in-116IML9:
dmi.product.family: Yoga 7 2-in-1 16IML9
dmi.product.name: 83DL
dmi.product.sku: LENOVO_MT_83DL_BU_idea_FM_Yoga 7 2-in-1 16IML9
dmi.product.version: Yoga 7 2-in-1 16IML9
dmi.sys.vendor: LENOVO

** Affects: linux (Ubuntu)
Importance: Undecided
Status: New


** Tags: amd64 apport-bug questing wayland-session

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https://bugs.launchpad.net/bugs/2139015

Title:
touchpad not working

Status in linux package in Ubuntu:
New

Bug description:
Touchpad is not working properly and not showing up as connected.

ProblemType: Bug
DistroRelease: Ubuntu 25.10
Package: linux-image-6.17.0-8-generic 6.17.0-8.8
ProcVersionSignature: Ubuntu 6.17.0-8.8-generic 6.17.2
Uname: Linux 6.17.0-8-generic x86_64
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: drazil 1971 F.... pipewire
drazil 1979 F.... wireplumber
/dev/snd/seq: drazil 1971 F.... pipewire
CasperMD5CheckResult: unknown
CurrentDesktop: KDE
Date: Sat Jan 24 21:56:27 2026
InstallationDate: Installed on 2025-01-09 (381 days ago)
InstallationMedia: Kubuntu 24.10 "Oracular Oriole" - Release amd64 (20241007.6)
MachineType: LENOVO 83DL
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.17.0-8-generic root=UUID=428a0e6f-601e-4d1f-b130-423f573bd40b ro quiet splash vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
firmware-sof N/A
linux-firmware 20250901.git993ff19b-0ubuntu1.5
SourcePackage: linux
UpgradeStatus: Upgraded to questing on 2025-12-08 (47 days ago)
dmi.bios.date: 08/28/2024
dmi.bios.release: 1.18
dmi.bios.vendor: LENOVO
dmi.bios.version: NWCN18WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0T76463 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 31
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Yoga 7 2-in-1 16IML9
dmi.ec.firmware.release: 1.18
dmi.modalias: dmi:bvnLENOVO:bvrNWCN18WW:bd08/28/2024:br1.18:efr1.18:svnLENOVO:pn83DL:pvrYoga72-in-116IML9:rvnLENOVO:rnLNVNB161216:rvrSDK0T76463WIN:cvnLENOVO:ct31:cvrYoga72-in-116IML9:skuLENOVO_MT_83DL_BU_idea_FM_Yoga72-in-116IML9:
dmi.product.family: Yoga 7 2-in-1 16IML9
dmi.product.name: 83DL
dmi.product.sku: LENOVO_MT_83DL_BU_idea_FM_Yoga 7 2-in-1 16IML9
dmi.product.version: Yoga 7 2-in-1 16IML9
dmi.sys.vendor: LENOVO

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