[Bug 1890186] Re: Failed to call EVIOCSKEYCODE with scan code 0xc022d, and key code 103: Invalid argument

[Md Ayquassar]

# udevadm info /dev/input/event8
P: /devices/pci0000:00/0000:00:14.0/usb3/3-13/3-13.1/3-13.1:1.0/0003:045E:00DB.0002/input/input9/event8
N: input/event8
L: 0
S: input/by-id/usb-Microsoft_Natural®_Ergonomic_Keyboard_4000-event-kbd
S: input/by-path/pci-0000:00:14.0-usb-0:13.1:1.0-event-kbd
E: DEVPATH=/devices/pci0000:00/0000:00:14.0/usb3/3-13/3-13.1/3-13.1:1.0/0003:045E:00DB.0002/input/input9/event8
E: DEVNAME=/dev/input/event8
E: MAJOR=13
E: MINOR=72
E: SUBSYSTEM=input
E: USEC_INITIALIZED=4188709
E: KEYBOARD_KEY_c022d=up
E: KEYBOARD_KEY_c022e=down
E: ID_INPUT=1
E: ID_INPUT_KEY=1
E: ID_INPUT_KEYBOARD=1
E: ID_VENDOR=Microsoft
E: ID_VENDOR_ENC=Microsoft
E: ID_VENDOR_ID=045e
E: ID_MODEL=Natural®_Ergonomic_Keyboard_4000
E: ID_MODEL_ENC=Natural®\x20Ergonomic\x20Keyboard\x204000
E: ID_MODEL_ID=00db
E: ID_REVISION=0173
E: ID_SERIAL=Microsoft_Natural®_Ergonomic_Keyboard_4000
E: ID_TYPE=hid
E: ID_BUS=usb
E: ID_USB_INTERFACES=:030101:030000:
E: ID_USB_INTERFACE_NUM=00
E: ID_USB_DRIVER=usbhid
E: ID_PATH=pci-0000:00:14.0-usb-0:13.1:1.0
E: ID_PATH_TAG=pci-0000_00_14_0-usb-0_13_1_1_0
E: XKBMODEL=pc105
E: XKBLAYOUT=de
E: BACKSPACE=guess
E: LIBINPUT_DEVICE_GROUP=3/45e/db:usb-0000:00:14.0-13
E: DEVLINKS=/dev/input/by-id/usb-Microsoft_Natural®_Ergonomic_Keyboard_4000-event-kbd /dev/input/by-path/pci-0000:00:14.0-usb-0:13.1:1.0-event-kbd
E: TAGS=:power-switch:

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Title:
  Failed to call EVIOCSKEYCODE with scan code 0xc022d, and key code 103:
  Invalid argument

Status in systemd package in Ubuntu:
  New

Bug description:
  I run an up-to-date Ubuntu 20.04.1 LTS "focal" with kernel
  5.4.0-42-generic on Dell Latitude E6440.  Upon examining the output of
  journalctl -b, I see this:

  Aug 03 19:22:15 pseudonymizedHostname systemd[1]: Condition check resulted in Show Plymouth Boot Screen being skipped.
  Aug 03 19:22:15 pseudonymizedHostname systemd[1]: Condition check resulted in Forward Password Requests to Plymouth Directory Watch being skipped.
  Aug 03 19:22:15 pseudonymizedHostname systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped.
  Aug 03 19:22:15 pseudonymizedHostname systemd[1]: Condition check resulted in File System Check on Root Device being skipped.
  Aug 03 19:22:15 pseudonymizedHostname systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped.
  Aug 03 19:22:15 pseudonymizedHostname systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped.
  Aug 03 19:22:15 pseudonymizedHostname kernel: [drm] radeon: dpm initialized
  Aug 03 19:22:15 pseudonymizedHostname kernel: [drm] GART: num cpu pages 524288, num gpu pages 524288
  Aug 03 19:22:15 pseudonymizedHostname kernel: dell_laptop: Using dell-rbtn acpi driver for receiving events
  Aug 03 19:22:15 pseudonymizedHostname systemd-udevd[385]: event8: Failed to call EVIOCSKEYCODE with scan code 0xc022d, and key code 103: Invalid argument
  Aug 03 19:22:15 pseudonymizedHostname systemd-udevd[385]: event8: Failed to call EVIOCSKEYCODE with scan code 0xc022e, and key code 108: Invalid argument

  "Invalid argument" means that something goes wrong there, and I don't know what it is.
  On my laptop, event8 seems to be keyboard-related:

  $ sudo cat /proc/bus/input/devices | grep -C 5 event8
  I: Bus=0003 Vendor=045e Product=00db Version=0111
  N: Name="Microsoft Natural® Ergonomic Keyboard 4000"
  P: Phys=usb-0000:00:14.0-13.1/input0
  S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb3/3-13/3-13.1/3-13.1:1.0/0003:045E:00DB.0002/input/input9
  U: Uniq=
  H: Handlers=sysrq kbd event8 leds 
  B: PROP=0
  B: EV=120013
  B: KEY=1000000000007 ff800000000007ff febeffdff3cfffff fffffffffffffffe
  B: MSC=10
  B: LED=107

  The issue report
  https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1754921 is
  probably related but marked as a duplicate of a no longer existing
  issue report (#1750855).

  The report
  https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1597415
  describes a similar issue for older kernels; the differences pertain
  to error message, error code, input..., and, opposed to #19 there, I
  have no Windows partitions (except /boot/efi vfat) in /etc/fstab; mine
  is not a dual-boot machine.

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