Public bug reported:

After leaving my laptop on sleep mode for a while, then bringing it up
again causes the touchpad to stop responding completely. Checked for it
in the bus/input/devices folder and didn't see it.

Laptop model: ASUS X450L
Touchpad manufacturer: I presume to also be ASUS

Symptom first appeared less than a week ago.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-73-generic 5.4.0-73.82
ProcVersionSignature: Ubuntu 5.4.0-73.82-generic 5.4.106
Uname: Linux 5.4.0-73-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.17
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  luiz       1541 F.... pulseaudio
 /dev/snd/controlC0:  luiz       1541 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Tue May 18 21:15:53 2021
InstallationDate: Installed on 2018-10-11 (950 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
MachineType: ASUSTeK COMPUTER INC. X450LCP
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-73-generic 
root=UUID=3aa08318-3527-4824-a97a-cc0084649c15 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-5.4.0-73-generic N/A
 linux-backports-modules-5.4.0-73-generic  N/A
 linux-firmware                            1.187.12
RfKill:
 0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
SourcePackage: linux
UpgradeStatus: Upgraded to focal on 2020-11-18 (181 days ago)
dmi.bios.date: 02/20/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: X450LCP.206
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: X450LCP
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrX450LCP.206:bd02/20/2014:svnASUSTeKCOMPUTERINC.:pnX450LCP:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX450LCP:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.family: X
dmi.product.name: X450LCP
dmi.product.sku: ASUS-NotebookSKU
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.

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


** Tags: amd64 apport-bug focal

** Attachment added: "devices"
   https://bugs.launchpad.net/bugs/1928878/+attachment/5498580/+files/devices

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https://bugs.launchpad.net/bugs/1928878

Title:
  Touchpad suddenly not responding

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