Public bug reported:
> Laptop model directly from the sticker of the computer.
Lenovo T450 ThinkPad
> Manufacturer of the Touchpad.
> When the symptom first appeared.
Right after 18.04 => 20.04 upgrade. Touchpad never worked after upgrade.
Nor movements, neither clicks.
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/controlC1: cyga 2740 F.... pulseaudio
/dev/snd/controlC0: cyga 2740 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sat Jul 11 13:36:53 2020
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=d66c9dac-9065-401a-8f9a-3f208be7d2e6
InstallationDate: Installed on 2017-06-07 (1129 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64
(20170215.2)
MachineType: LENOVO 20BV0005US
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-40-generic
root=/dev/mapper/ubuntu--vg-root ro cgroup_enable=memory swapaccount=1
acpi=force irqpoll 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: Upgraded to focal on 2020-06-27 (13 days ago)
dmi.bios.date: 07/08/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: JBET51WW (1.16 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20BV0005US
dmi.board.vendor: LENOVO
dmi.board.version: SDK0E50510 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrJBET51WW(1.16):bd07/08/2015:svnLENOVO:pn20BV0005US:pvrThinkPadT450:rvnLENOVO:rn20BV0005US:rvrSDK0E50510WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T450
dmi.product.name: 20BV0005US
dmi.product.sku: LENOVO_MT_20BV_BU_Think_FM_ThinkPad T450
dmi.product.version: ThinkPad T450
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1887213
Title:
Touchpad stopped working after upgrade: 18.04 => 20.04
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