Thank you for your reply,
PFA

On Mon, 6 Jul 2020 at 15:50, You-Sheng Yang <email address hidden>
wrote:

> @Christo, please append following kernel boot parameters, reboot and
> attach output of `journalctl -b`:
>
>   "dyndbg=file drivers/input/* +pt" i8042.debug=1 i8042.nopnp=1
> log_buf_len=32M
>
> For detailed steps, please see https://askubuntu.com/questions/19486
> /how-do-i-add-a-kernel-boot-parameter
> <https://askubuntu.com/questions/19486/how-do-i-add-a-kernel-boot-parameter>
> .
>
> ** Changed in: linux (Ubuntu)
>        Status: Confirmed => Incomplete
>
> ** Tags added: hwe-touchpad
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1886398
>
> Title:
>   ThinkBook 14 IML  TouchPad Not Recognized Ubuntu 20.04
>
> Status in linux package in Ubuntu:
>   Incomplete
>
> Bug description:
>   $ cat /proc/bus/input/devices
>   I: Bus=0019 Vendor=0000 Product=0005 Version=0000
>   N: Name="Lid Switch"
>   P: Phys=PNP0C0D/button/input0
>   S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input0
>   U: Uniq=
>   H: Handlers=event0
>   B: PROP=0
>   B: EV=21
>   B: SW=1
>
>   I: Bus=0019 Vendor=0000 Product=0001 Version=0000
>   N: Name="Power Button"
>   P: Phys=PNP0C0C/button/input0
>   S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1
>   U: Uniq=
>   H: Handlers=kbd event1
>   B: PROP=0
>   B: EV=3
>   B: KEY=10000000000000 0
>
>   I: Bus=0019 Vendor=0000 Product=0001 Version=0000
>   N: Name="Power Button"
>   P: Phys=LNXPWRBN/button/input0
>   S: Sysfs=/devices/LNXSYSTM:00/LNXPWRBN:00/input/input2
>   U: Uniq=
>   H: Handlers=kbd event2
>   B: PROP=0
>   B: EV=3
>   B: KEY=10000000000000 0
>
>   I: Bus=0011 Vendor=0001 Product=0001 Version=ab83
>   N: Name="AT Translated Set 2 keyboard"
>   P: Phys=isa0060/serio0/input0
>   S: Sysfs=/devices/platform/i8042/serio0/input/input3
>   U: Uniq=
>   H: Handlers=sysrq kbd event3 leds
>   B: PROP=0
>   B: EV=120013
>   B: KEY=402000000 3803078f800d001 feffffdfffefffff fffffffffffffffe
>   B: MSC=10
>   B: LED=7
>
>   I: Bus=0003 Vendor=413c Product=301a Version=0111
>   N: Name="PixArt Dell MS116 USB Optical Mouse"
>   P: Phys=usb-0000:00:14.0-3/input0
>   S:
> Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/0003:413C:301A.0001/input/input4
>   U: Uniq=
>   H: Handlers=mouse0 event4
>   B: PROP=0
>   B: EV=17
>   B: KEY=70000 0 0 0 0
>   B: REL=903
>   B: MSC=10
>
>   I: Bus=0003 Vendor=413c Product=2113 Version=0111
>   N: Name="Dell KB216 Wired Keyboard"
>   P: Phys=usb-0000:00:14.0-4/input0
>   S:
> Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/0003:413C:2113.0002/input/input5
>   U: Uniq=
>   H: Handlers=sysrq kbd event5 leds
>   B: PROP=0
>   B: EV=120013
>   B: KEY=1000000000007 ff9f207ac14057ff febeffdfffefffff fffffffffffffffe
>   B: MSC=10
>   B: LED=7
>
>   I: Bus=0003 Vendor=413c Product=2113 Version=0111
>   N: Name="Dell KB216 Wired Keyboard System Control"
>   P: Phys=usb-0000:00:14.0-4/input1
>   S:
> Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.1/0003:413C:2113.0003/input/input6
>   U: Uniq=
>   H: Handlers=kbd event6
>   B: PROP=0
>   B: EV=13
>   B: KEY=c000 10000000000000 0
>   B: MSC=10
>
>   I: Bus=0003 Vendor=413c Product=2113 Version=0111
>   N: Name="Dell KB216 Wired Keyboard Consumer Control"
>   P: Phys=usb-0000:00:14.0-4/input1
>   S:
> Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.1/0003:413C:2113.0003/input/input7
>   U: Uniq=
>   H: Handlers=kbd event7
>   B: PROP=0
>   B: EV=13
>   B: KEY=80002000000 387ad8011001 e000000000000 0
>   B: MSC=10
>
>   I: Bus=0003 Vendor=046d Product=4055 Version=0111
>   N: Name="Logitech Wireless Mouse"
>   P: Phys=usb-0000:00:14.0-7/input2:1
>   S:
> Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.2/0003:046D:C52B.0006/0003:046D:4055.0007/input/input17
>   U: Uniq=4055-66-88-2c-ff
>   H: Handlers=mouse1 event8
>   B: PROP=0
>   B: EV=17
>   B: KEY=ffff0000 0 0 0 0
>   B: REL=1943
>   B: MSC=10
>
>   I: Bus=0019 Vendor=0000 Product=0000 Version=0000
>   N: Name="Ideapad extra buttons"
>   P: Phys=ideapad/input0
>   S:
> Sysfs=/devices/pci0000:00/0000:00:1f.0/PNP0C09:00/VPC2004:00/input/input18
>   U: Uniq=
>   H: Handlers=rfkill kbd event9
>   B: PROP=0
>   B: EV=13
>   B: KEY=81000800100c03 4400000000300000 0 2
>   B: MSC=10
>
>   I: Bus=0019 Vendor=0000 Product=0006 Version=0000
>   N: Name="Video Bus"
>   P: Phys=LNXVIDEO/video/input0
>   S:
> Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input19
>   U: Uniq=
>   H: Handlers=kbd event10
>   B: PROP=0
>   B: EV=3
>   B: KEY=3e000b00000000 0 0 0
>
>   I: Bus=0003 Vendor=13d3 Product=56a6 Version=1711
>   N: Name="Integrated Camera: Integrated C"
>   P: Phys=usb-0000:00:14.0-6/button
>   S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6:1.0/input/input20
>   U: Uniq=
>   H: Handlers=kbd event11
>   B: PROP=0
>   B: EV=3
>   B: KEY=100000 0 0 0
>
>   I: Bus=0000 Vendor=0000 Product=0000 Version=0000
>   N: Name="HDA Intel PCH Mic"
>   P: Phys=ALSA
>   S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input21
>   U: Uniq=
>   H: Handlers=event12
>   B: PROP=0
>   B: EV=21
>   B: SW=10
>
>   I: Bus=0000 Vendor=0000 Product=0000 Version=0000
>   N: Name="HDA Intel PCH Headphone"
>   P: Phys=ALSA
>   S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input22
>   U: Uniq=
>   H: Handlers=event13
>   B: PROP=0
>   B: EV=21
>   B: SW=4
>
>   I: Bus=0000 Vendor=0000 Product=0000 Version=0000
>   N: Name="HDA Intel PCH HDMI/DP,pcm=3"
>   P: Phys=ALSA
>   S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input23
>   U: Uniq=
>   H: Handlers=event14
>   B: PROP=0
>   B: EV=21
>   B: SW=140
>
>   I: Bus=0000 Vendor=0000 Product=0000 Version=0000
>   N: Name="HDA Intel PCH HDMI/DP,pcm=7"
>   P: Phys=ALSA
>   S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input24
>   U: Uniq=
>   H: Handlers=event15
>   B: PROP=0
>   B: EV=21
>   B: SW=140
>
>   I: Bus=0000 Vendor=0000 Product=0000 Version=0000
>   N: Name="HDA Intel PCH HDMI/DP,pcm=8"
>   P: Phys=ALSA
>   S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input25
>   U: Uniq=
>   H: Handlers=event16
>   B: PROP=0
>   B: EV=21
>   B: SW=140
>
>   I: Bus=0000 Vendor=0000 Product=0000 Version=0000
>   N: Name="HDA Intel PCH HDMI/DP,pcm=9"
>   P: Phys=ALSA
>   S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input26
>   U: Uniq=
>   H: Handlers=event17
>   B: PROP=0
>   B: EV=21
>   B: SW=140
>
>   I: Bus=0000 Vendor=0000 Product=0000 Version=0000
>   N: Name="HDA Intel PCH HDMI/DP,pcm=10"
>   P: Phys=ALSA
>   S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input27
>   U: Uniq=
>   H: Handlers=event18
>   B: PROP=0
>   B: EV=21
>   B: SW=140
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 20.04
>   Package: linux-image-5.4.0-40-generic 5.4.0-40.44
>   ProcVersionSignature: Ubuntu 5.4.0-40.44-generic 5.4.44
>   Uname: Linux 5.4.0-40-generic x86_64
>   ApportVersion: 2.20.11-0ubuntu27.3
>   Architecture: amd64
>   AudioDevicesInUse:
>    USER        PID ACCESS COMMAND
>    /dev/snd/controlC0:  christo   29697 F.... pulseaudio
>   CasperMD5CheckResult: skip
>   CurrentDesktop: ubuntu:GNOME
>   Date: Mon Jul  6 14:16:18 2020
>   InstallationDate: Installed on 2020-07-02 (4 days ago)
>   InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64
> (20200423)
>   MachineType: LENOVO 20RV
>   ProcFB: 0 i915drmfb
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-40-generic
> root=UUID=2ecf687d-3d6d-4219-873b-cf655d428c5c ro quiet splash vt.handoff=7
>   RelatedPackageVersions:
>    linux-restricted-modules-5.4.0-40-generic N/A
>    linux-backports-modules-5.4.0-40-generic  N/A
>    linux-firmware                            1.187.1
>   SourcePackage: linux
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   dmi.bios.date: 10/23/2019
>   dmi.bios.vendor: LENOVO
>   dmi.bios.version: CJCN22WW
>   dmi.board.name: LVA/LVAB
>   dmi.board.vendor: LENOVO
>   dmi.board.version: NO DPK
>   dmi.chassis.type: 10
>   dmi.chassis.vendor: LENOVO
>   dmi.modalias:
> dmi:bvnLENOVO:bvrCJCN22WW:bd10/23/2019:svnLENOVO:pn20RV:pvrLenovoThinkBook14-IML:rvnLENOVO:rnLVA/LVAB:rvrNODPK:cvnLENOVO:ct10:cvr:
>   dmi.product.family: Lenovo ThinkBook 14-IML
>   dmi.product.name: 20RV
>   dmi.product.sku: LENOVO_MT_20RV_BU_idea_FM_Lenovo ThinkBook 14-IML
>   dmi.product.version: Lenovo ThinkBook 14-IML
>   dmi.sys.vendor: LENOVO
>
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>