Ubuntu
linux package

Touchpad does not work on Linux Ubuntu 20.04 LTS, but it does work on Windows 10

Bug #1940778 reported by Egor Podlesnyi on 2021-08-22

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	linux (Ubuntu)	Confirmed	Undecided	Unassigned

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

Tags:

Revision history for this message

Egor Podlesnyi (raylend2012) wrote on 2021-08-22:

AlsaInfo.txt Edit (44.3 KiB, text/plain; charset="utf-8")
CRDA.txt Edit (468 bytes, text/plain; charset="utf-8")
CurrentDmesg.txt Edit (90.7 KiB, text/plain; charset="utf-8")
Dependencies.txt Edit (2.1 KiB, text/plain; charset="utf-8")
IwConfig.txt Edit (249 bytes, text/plain; charset="utf-8")
Lspci.txt Edit (16.2 KiB, text/plain; charset="utf-8")
Lspci-vt.txt Edit (1.8 KiB, text/plain; charset="utf-8")
Lsusb.txt Edit (524 bytes, text/plain; charset="utf-8")
Lsusb-t.txt Edit (840 bytes, text/plain; charset="utf-8")
Lsusb-v.txt Edit (47.5 KiB, text/plain; charset="utf-8")
ProcCpuinfo.txt Edit (10.2 KiB, text/plain; charset="utf-8")
ProcCpuinfoMinimal.txt Edit (1.3 KiB, text/plain; charset="utf-8")
ProcEnviron.txt Edit (347 bytes, text/plain; charset="utf-8")
ProcInterrupts.txt Edit (6.6 KiB, text/plain; charset="utf-8")
ProcModules.txt Edit (8.2 KiB, text/plain; charset="utf-8")
PulseList.txt Edit (22.5 KiB, text/plain; charset="utf-8")
RfKill.txt Edit (250 bytes, text/plain; charset="utf-8")
UdevDb.txt Edit (259.6 KiB, text/plain; charset="utf-8")
WifiSyslog.txt Edit (120.5 KiB, text/plain; charset="utf-8")
acpidump.txt Edit (1.3 MiB, text/plain; charset="utf-8")

Revision history for this message

Egor Podlesnyi (raylend2012) wrote on 2021-08-22:

Download full text (6.6 KiB)

The output of 'cat /proc/bus/input/devices' command does not contain any mentions of touchpads.
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=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/input2
U: Uniq=
H: Handlers=sysrq kbd event2 leds
B: PROP=0
B: EV=120013
B: KEY=402000000 3803078f800d001 feffffdfffefffff fffffffffffffffe
B: MSC=10
B: LED=7

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/device:00/LNXVIDEO:00/input/input3
U: Uniq=
H: Handlers=kbd event3
B: PROP=0
B: EV=3
B: KEY=3e000b00000000 0 0 0

I: Bus=0003 Vendor=048d Product=c100 Version=0110
N: Name="ITE Tech. Inc. ITE Device(8910) Keyboard"
P: Phys=usb-0000:00:14.0-9/input0
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/0003:048D:C100.0001/input/input4
U: Uniq=
H: Handlers=sysrq kbd event4 leds
B: PROP=0
B: EV=120013
B: KEY=1000000000007 ff9f207ac14057ff febeffdfffefffff fffffffffffffffe
B: MSC=10
B: LED=1f

I: Bus=0003 Vendor=048d Product=c100 Version=0110
N: Name="ITE Tech. Inc. ITE Device(8910) Consumer Control"
P: Phys=usb-0000:00:14.0-9/input0
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/0003:048D:C100.0001/input/input5
U: Uniq=
H: Handlers=kbd event5
B: PROP=0
B: EV=1f
B: KEY=302ff 0 0 483ffff17aff32d bfd4444600000000 1 130c730b17c000 267bfad9415fed 9e168000004400 10000002
B: REL=1040
B: ABS=100000000
B: MSC=10

I: Bus=0003 Vendor=048d Product=c100 Version=0110
N: Name="ITE Tech. Inc. ITE Device(8910) System Control"
P: Phys=usb-0000:00:14.0-9/input0
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/0003:048D:C100.0001/input/input6
U: Uniq=
H: Handlers=kbd event6
B: PROP=0
B: EV=13
B: KEY=c000 10000000000000 0
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/input7
U: Uniq=
H: Handlers=rfkill kbd event7
B: PROP=0
B: EV=13
B: KEY=81000800100c03 4400000000300000 0 2
B: MSC=10

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/input8
U: Uniq=
H: Handlers=event8
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/input9
U: Uniq=
H: Handlers=event9
B: PROP=0
B: EV=21
B: SW=4

I: Bus=0003 Vendor=04f2 Product=b6d9 Version=2699
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...

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/input2
U: Uniq=
H: Handlers=sysrq kbd event2 leds 
B: PROP=0
B: EV=120013
B: KEY=402000000 3803078f800d001 feffffdfffefffff fffffffffffffffe
B: MSC=10
B: LED=7

I: Bus=0003 Vendor=048d Product=c100 Version=0110
N: Name="ITE Tech. Inc. ITE Device(8910) Keyboard"
P: Phys=usb-0000:00:14.0-9/input0
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/0003:048D:C100.0001/input/input4
U: Uniq=
H: Handlers=sysrq kbd event4 leds 
B: PROP=0
B: EV=120013
B: KEY=1000000000007 ff9f207ac14057ff febeffdfffefffff fffffffffffffffe
B: MSC=10
B: LED=1f

I: Bus=0003 Vendor=048d Product=c100 Version=0110
N: Name="ITE Tech. Inc. ITE Device(8910) Consumer Control"
P: Phys=usb-0000:00:14.0-9/input0
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/0003:048D:C100.0001/input/input5
U: Uniq=
H: Handlers=kbd event5 
B: PROP=0
B: EV=1f
B: KEY=302ff 0 0 483ffff17aff32d bfd4444600000000 1 130c730b17c000 267bfad9415fed 9e168000004400 10000002
B: REL=1040
B: ABS=100000000
B: MSC=10

I: Bus=0003 Vendor=048d Product=c100 Version=0110
N: Name="ITE Tech. Inc. ITE Device(8910) System Control"
P: Phys=usb-0000:00:14.0-9/input0
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/0003:048D:C100.0001/input/input6
U: Uniq=
H: Handlers=kbd event6 
B: PROP=0
B: EV=13
B: KEY=c000 10000000000000 0
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/input7
U: Uniq=
H: Handlers=rfkill kbd event7 
B: PROP=0
B: EV=13
B: KEY=81000800100c03 4400000000300000 0 2
B: MSC=10

I: Bus=0003 Vendor=04f2 Product=b6d9 Version=2699
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/input10
U: Uniq=
H: Handlers=kbd event10 
B: PROP=0
B: EV=3
B: KEY=100000 0 0 0

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA NVidia HDMI/DP,pcm=3"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input11
U: Uniq=
H: Handlers=event11 
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA NVidia HDMI/DP,pcm=7"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input12
U: Uniq=
H: Handlers=event12 
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA NVidia HDMI/DP,pcm=8"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input13
U: Uniq=
H: Handlers=event13 
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA NVidia HDMI/DP,pcm=9"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input14
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 NVidia HDMI/DP,pcm=10"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input15
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 NVidia HDMI/DP,pcm=11"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input16
U: Uniq=
H: Handlers=event16 
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0003 Vendor=09da Product=1717 Version=0111
N: Name="COMPANY USB Device"
P: Phys=usb-0000:00:14.0-1/input0
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.0/0003:09DA:1717.0005/input/input23
U: Uniq=
H: Handlers=sysrq kbd event17 leds 
B: PROP=0
B: EV=120013
B: KEY=1000000000007 ff800000000007ff febeffdfffefffff fffffffffffffffe
B: MSC=10
B: LED=1f

I: Bus=0003 Vendor=09da Product=1717 Version=0111
N: Name="COMPANY USB Device"
P: Phys=usb-0000:00:14.0-1/input1
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.1/0003:09DA:1717.0006/input/input24
U: Uniq=
H: Handlers=mouse0 event18 
B: PROP=0
B: EV=17
B: KEY=ff0000 0 0 0 0
B: REL=903
B: MSC=10

I: Bus=0003 Vendor=09da Product=1717 Version=0111
N: Name="COMPANY USB Device Keyboard"
P: Phys=usb-0000:00:14.0-1/input2
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.2/0003:09DA:1717.0007/input/input25
U: Uniq=
H: Handlers=sysrq kbd event19 
B: PROP=0
B: EV=100013
B: KEY=1000000000007 ff800000000007ff febeffdfffefffff fffffffffffffffe
B: MSC=10

I: Bus=0003 Vendor=09da Product=1717 Version=0111
N: Name="COMPANY USB Device System Control"
P: Phys=usb-0000:00:14.0-1/input2
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.2/0003:09DA:1717.0007/input/input26
U: Uniq=
H: Handlers=kbd event20 
B: PROP=0
B: EV=1b
B: KEY=40000001000000 1200000000 0 800000000 40000010cc00 10168000000000 0
B: ABS=10000000000
B: MSC=10

I: Bus=0003 Vendor=09da Product=1717 Version=0111
N: Name="COMPANY USB Device Consumer Control"
P: Phys=usb-0000:00:14.0-1/input2
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.2/0003:09DA:1717.0007/input/input27
U: Uniq=
H: Handlers=kbd event21 
B: PROP=0
B: EV=1f
B: KEY=302ff 0 0 483ffff17aff32d bfd4444600000000 1 130c730b17c000 267bfad9415fed 9e168000004400 10000002
B: REL=1040
B: ABS=100000000
B: MSC=10

I: Bus=0003 Vendor=09da Product=1717 Version=0111
N: Name="COMPANY USB Device"
P: Phys=usb-0000:00:14.0-1/input2
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.2/0003:09DA:1717.0007/input/input28
U: Uniq=
H: Handlers=event22 
B: PROP=0
B: EV=9
B: ABS=10000000000

Revision history for this message

Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote on 2021-08-22: Status changed to Confirmed

This change was made by a bot.

Changed in linux (Ubuntu):
status:	New → Confirmed

Revision history for this message

Alex Hung (alexhung) wrote on 2021-08-24:

You may want to try HWE kernel which supports newer hardware
sudo apt install linux-generic-hwe-20.04

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Ubuntulinux package

Touchpad does not work on Linux Ubuntu 20.04 LTS, but it does work on Windows 10

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