Touchpad not working in Lenovo Ideapad Slim 3i

[Surender]

Touchpad is not working, cat /proc/bus/input/devices doesn't show the touchpad. Ubuntu version : 20.04

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-42-generic 5.4.0-42.46
ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44
Uname: Linux 5.4.0-42-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.8
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: surenmoh 1418 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed Aug 26 23:37:06 2020
InstallationDate: Installed on 2020-08-25 (0 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 004: ID 046d:c018 Logitech, Inc. Optical Wheel Mouse
 Bus 001 Device 002: ID 13d3:5a08 IMC Networks Integrated Camera
 Bus 001 Device 003: ID 8087:0aaa Intel Corp.
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: LENOVO 81WD
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-42-generic root=UUID=45c6c6d6-b6f5-4a51-ade2-aaa67a430b03 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-5.4.0-42-generic N/A
 linux-backports-modules-5.4.0-42-generic N/A
 linux-firmware 1.187.2
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/11/2020
dmi.bios.vendor: LENOVO
dmi.bios.version: EMCN14WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0Q55724 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: IdeaPad 3 14IIL05
dmi.modalias: dmi:bvnLENOVO:bvrEMCN14WW:bd05/11/2020:svnLENOVO:pn81WD:pvrIdeaPad314IIL05:rvnLENOVO:rnLNVNB161216:rvrSDK0Q55724WIN:cvnLENOVO:ct10:cvrIdeaPad314IIL05:
dmi.product.family: IdeaPad 3 14IIL05
dmi.product.name: 81WD
dmi.product.sku: LENOVO_MT_81WD_BU_idea_FM_IdeaPad 3 14IIL05
dmi.product.version: IdeaPad 3 14IIL05
dmi.sys.vendor: LENOVO

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This change was made by a bot.

[Kai-Heng Feng (kaihengfeng)]

[ 0.378339] pci 0000:00:15.0: BAR 0: no space for [mem size 0x00001000 64bit]
[ 0.378341] pci 0000:00:15.0: BAR 0: failed to assign [mem size 0x00001000 64bit]
[ 0.378345] pci 0000:00:15.1: BAR 0: no space for [mem size 0x00001000 64bit]
[ 0.378346] pci 0000:00:15.1: BAR 0: failed to assign [mem size 0x00001000 64bit]
[ 0.378348] pci 0000:00:1f.5: BAR 0: no space for [mem size 0x00001000]
[ 0.378350] pci 0000:00:1f.5: BAR 0: trying firmware assignment [mem 0xfe010000-0xfe010fff]
[ 0.378352] pci 0000:00:1f.5: BAR 0: [mem 0xfe010000-0xfe010fff] conflicts with Reserved [mem 0xfc800000-0xfe7fffff]
[ 0.378353] pci 0000:00:1f.5: BAR 0: failed to assign [mem size 0x00001000]

Please update BIOS and see if it helps.

[abgoyal (abgoyal)]

I have the same problem with a different model laptop in the same line.

A new bios update from the vendor appeared on 2nd September, but the pci BAR problem persists after the BIOS update. Trackpad continues to not work and not show up anywhere.

[Launchpad Janitor (janitor)]

[Expired for linux (Ubuntu) because there has been no activity for 60 days.]