After having used the pci=nocrs on 5.8 with success , I thought it was fixed on 5.11.
However I have a NL51CU2 on 5.11 where the problem still occurs -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1904052 Title: Touchpad incorrectly detected as PS/2 mouse on Clevo NL51LU Status in linux package in Ubuntu: Confirmed Bug description: Clean install of Ubuntu 20.04.1 LTS on new laptop. Touchpad not recognised, shows as ImPS/2 Logitech Wheel Mouse on xinput. Have tried adding kernel parameters for i8042 - reset, nomux, nopnp, noloop but had no effect. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-53-generic 5.4.0-53.59 ProcVersionSignature: Ubuntu 5.4.0-53.59-generic 5.4.65 Uname: Linux 5.4.0-53-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.12 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: mike 1532 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Thu Nov 12 19:33:21 2020 InstallationDate: Installed on 2020-11-12 (0 days ago) InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731) MachineType: PC Specialist LTD NL4x_NL5xLU ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-53-generic root=/dev/mapper/vgubuntu-root ro quiet splash i8042.reset i8042.nomux i8042.nopnp i8042.noloop vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.4.0-53-generic N/A linux-backports-modules-5.4.0-53-generic N/A linux-firmware 1.187.4 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/19/2020 dmi.bios.vendor: INSYDE Corp. dmi.bios.version: 1.07.02TPCS dmi.board.asset.tag: Tag 12345 dmi.board.name: NL4x_NL5xLU dmi.board.vendor: CLEVO dmi.board.version: Not Applicable dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: No Enclosure dmi.chassis.version: N/A dmi.modalias: dmi:bvnINSYDECorp.:bvr1.07.02TPCS:bd08/19/2020:svnPCSpecialistLTD:pnNL4x_NL5xLU:pvrNotApplicable:rvnCLEVO:rnNL4x_NL5xLU:rvrNotApplicable:cvnNoEnclosure:ct10:cvrN/A: dmi.product.family: Not Applicable dmi.product.name: NL4x_NL5xLU dmi.product.sku: Not Applicable dmi.product.version: Not Applicable dmi.sys.vendor: PC Specialist LTD To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1904052/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp