Public bug reported:

My computer was working this morning, but when I powered it back on this
afternoon the keyboard and mouse do not function.

I have a desktop pc, 3 monitors, encrypted boot drive.

dpkg showed that kernel 5.4.0-74 was installed on my computer this
morning.

When I boot with kernel 5.4.0-74, my keyboard allows me to enter my
decryption password, but my computer boots with one monitor active and
the USB keyboard and USB mouse do not respond.  (Using a different USB
keyboard makes no difference.  Unplugging the keyboard and plugging it
back in makes no difference.)

When I use GRUB to boot with kernel 5.4.0-73, my system works as
expected (and all 3 monitors light up).

REQUIRED DETAILS:
lsb_release -rd
  Description:  Ubuntu 20.04.2 LTS
  Release:      20.04

apt-cache policy linux-generic
  linux-generic:
    Installed: 5.4.0.74.77
    Candidate: 5.4.0.74.77
    Version table:
   *** 5.4.0.74.77 500
        500 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages
        500 http://archive.ubuntu.com/ubuntu focal-security/main amd64 Packages
        100 /var/lib/dpkg/status
     5.4.0.26.32 500
        500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages

Any help would be GREATLY appreciated.
Thank you!

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
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.18
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  ir         1650 F.... pulseaudio
 /dev/snd/controlC0:  ir         1650 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: Unity:Unity7:ubuntu
Date: Thu Jun  3 21:05:15 2021
HibernationDevice: RESUME=UUID=01f6ff4d-fc7b-4a2b-9b64-5a099cc1a441
InstallationDate: Installed on 2017-04-27 (1499 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 
(20170215.2)
IwConfig:
 lo        no wireless extensions.
 
 enp0s31f6  no wireless extensions.
MachineType: System manufacturer System Product Name
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-73-generic 
root=/dev/mapper/ubuntu--vg-root 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:
 
SourcePackage: linux
UpgradeStatus: Upgraded to focal on 2020-11-05 (210 days ago)
dmi.bios.date: 03/15/2018
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1302
dmi.board.asset.tag: Default string
dmi.board.name: PRIME Z270-A
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr1302:bd03/15/2018:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEZ270-A:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: SKU
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

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


** Tags: amd64 apport-bug focal

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1930795

Title:
  Keyboard and mouse no longer work with Kernel 5.4.0-74

Status in linux package in Ubuntu:
  New

Bug description:
  My computer was working this morning, but when I powered it back on
  this afternoon the keyboard and mouse do not function.

  I have a desktop pc, 3 monitors, encrypted boot drive.

  dpkg showed that kernel 5.4.0-74 was installed on my computer this
  morning.

  When I boot with kernel 5.4.0-74, my keyboard allows me to enter my
  decryption password, but my computer boots with one monitor active and
  the USB keyboard and USB mouse do not respond.  (Using a different USB
  keyboard makes no difference.  Unplugging the keyboard and plugging it
  back in makes no difference.)

  When I use GRUB to boot with kernel 5.4.0-73, my system works as
  expected (and all 3 monitors light up).

  REQUIRED DETAILS:
  lsb_release -rd
    Description:        Ubuntu 20.04.2 LTS
    Release:    20.04

  apt-cache policy linux-generic
    linux-generic:
      Installed: 5.4.0.74.77
      Candidate: 5.4.0.74.77
      Version table:
     *** 5.4.0.74.77 500
          500 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages
          500 http://archive.ubuntu.com/ubuntu focal-security/main amd64 
Packages
          100 /var/lib/dpkg/status
       5.4.0.26.32 500
          500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages

  Any help would be GREATLY appreciated.
  Thank you!

  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
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu27.18
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ir         1650 F.... pulseaudio
   /dev/snd/controlC0:  ir         1650 F.... pulseaudio
  CasperMD5CheckResult: skip
  CurrentDesktop: Unity:Unity7:ubuntu
  Date: Thu Jun  3 21:05:15 2021
  HibernationDevice: RESUME=UUID=01f6ff4d-fc7b-4a2b-9b64-5a099cc1a441
  InstallationDate: Installed on 2017-04-27 (1499 days ago)
  InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 
(20170215.2)
  IwConfig:
   lo        no wireless extensions.
   
   enp0s31f6  no wireless extensions.
  MachineType: System manufacturer System Product Name
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-73-generic 
root=/dev/mapper/ubuntu--vg-root 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:
   
  SourcePackage: linux
  UpgradeStatus: Upgraded to focal on 2020-11-05 (210 days ago)
  dmi.bios.date: 03/15/2018
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1302
  dmi.board.asset.tag: Default string
  dmi.board.name: PRIME Z270-A
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Default string
  dmi.chassis.type: 3
  dmi.chassis.vendor: Default string
  dmi.chassis.version: Default string
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr1302:bd03/15/2018:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEZ270-A:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring:
  dmi.product.family: To be filled by O.E.M.
  dmi.product.name: System Product Name
  dmi.product.sku: SKU
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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