Public bug reported:

i am using vi command to open .txt file, and then i can not use my touchpad. 
It's seems response nothing.
Thanks!

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-70-generic 5.4.0-70.78
ProcVersionSignature: Ubuntu 5.4.0-70.78-generic 5.4.94
Uname: Linux 5.4.0-70-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  f4         1565 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed Apr 14 10:40:10 2021
InstallationDate: Installed on 2020-11-29 (136 days ago)
InstallationMedia: Ubuntu 18.04.5 LTS "Bionic Beaver" - Release amd64 
(20200806.1)
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 003: ID 06cb:00da Synaptics, Inc. 
 Bus 001 Device 002: ID 04f2:b6d9 Chicony Electronics Co., Ltd Integrated Camera
 Bus 001 Device 005: ID 046d:c52f Logitech, Inc. Unifying Receiver
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: LENOVO 20RA004QVN
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-70-generic 
root=UUID=a9548559-590d-41f6-a6cd-81e1a3461eaa ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-5.4.0-70-generic N/A
 linux-backports-modules-5.4.0-70-generic  N/A
 linux-firmware                            1.187.10
SourcePackage: linux
UpgradeStatus: Upgraded to focal on 2021-03-04 (40 days ago)
dmi.bios.date: 01/07/2020
dmi.bios.vendor: LENOVO
dmi.bios.version: R16ET23W (1.09 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20RA004QVN
dmi.board.vendor: LENOVO
dmi.board.version: SDK0Q55756 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias: 
dmi:bvnLENOVO:bvrR16ET23W(1.09):bd01/07/2020:svnLENOVO:pn20RA004QVN:pvrThinkPadE14:rvnLENOVO:rn20RA004QVN:rvrSDK0Q55756WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad E14
dmi.product.name: 20RA004QVN
dmi.product.sku: LENOVO_MT_20RA_BU_SMB_FM_ThinkPad E14
dmi.product.version: ThinkPad E14
dmi.sys.vendor: LENOVO

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug focal third-party-packages

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https://bugs.launchpad.net/bugs/1923697

Title:
  touchpad don't work

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