[Bug 1597415] Re: systemd-udevd: Error calling EVIOCSKEYCODE on device node '/dev/input/event9' (scan code 0x150, key code 190): Invalid argument

[Marco Ochse]

Confirming the same issue on Ubuntu Server 18.04 LTS:

Error calling EVIOCSKEYCODE on device node '/dev/input/event2' (scan code 0x9004c, key code 162): Invalid argument
CODE_FILE	../src/udev/udev-builtin-keyboard.c
CODE_FUNC	map_keycode
CODE_LINE	103
ERRNO	22
PRIORITY	3
SYSLOG_FACILITY	3
SYSLOG_IDENTIFIER	systemd-udevd
_BOOT_ID	8561955e61444adea66c6983c7972f60
_CAP_EFFECTIVE	3fffffffff
_CMDLINE	/lib/systemd/systemd-udevd
_COMM	systemd-udevd
_EXE	/lib/systemd/systemd-udevd
_GID	0
_HOSTNAME	blueeyebrows
_MACHINE_ID	3c83a050931347c59c2d930c491afdc7
_PID	340
_SELINUX_CONTEXT	unconfined
_SOURCE_REALTIME_TIMESTAMP	1530104311822252
_SYSTEMD_CGROUP	/system.slice/systemd-udevd.service
_SYSTEMD_INVOCATION_ID	da5926014fa944509d5e10a8d9a6adf2
_SYSTEMD_SLICE	system.slice
_SYSTEMD_UNIT	systemd-udevd.service
_TRANSPORT	journal
_UID	0
__CURSOR	s=b7551ec2b2f942ae94a42e8501582e71;i=1784;b=8561955e61444adea66c6983c7972f60;m=868e2f;t=56f9f2bf9bcec;x=626cfce2d4ede039
__MONOTONIC_TIMESTAMP	8818223
__REALTIME_TIMESTAMP	1530104311823596


Kernel: 4.15.0-23-generic #25-Ubuntu SMP Wed May 23 18:02:16 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

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Title:
  systemd-udevd: Error calling EVIOCSKEYCODE on device node
  '/dev/input/event9' (scan code 0x150, key code 190): Invalid argument

Status in linux package in Ubuntu:
  Confirmed
Status in systemd package in Ubuntu:
  Confirmed

Bug description:
  Hi,

  the symptom is this error message in my system's logs:

  juin 29 16:56:39 vougeot systemd-udevd[522]: Error calling
  EVIOCSKEYCODE on device node '/dev/input/event9' (scan code 0x150, key
  code 190): Invalid argument

  According to /proc/bus/input/devices the corresponding input device
  is:

  I: Bus=0019 Vendor=0000 Product=0000 Version=0000
  N: Name="Dell WMI hotkeys"
  P: Phys=wmi/input0
  S: Sysfs=/devices/virtual/input/input10
  U: Uniq=
  H: Handlers=kbd event9 
  B: PROP=0
  B: EV=13
  B: KEY=1000b00000400 0 e000000000000 0
  B: MSC=10

  This laptop is a Dell Latitude E6520.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: udev 229-4ubuntu6
  Uname: Linux 4.6.3-040603-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  CurrentDesktop: KDE
  CustomUdevRuleFiles: 60-ssd-scheduler.rules
  Date: Wed Jun 29 17:43:01 2016
  EcryptfsInUse: Yes
  MachineType: Dell Inc. Latitude E6520
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.6.3-040603-generic root=UUID=749a9901-bdd3-4b5f-b80e-69414667e058 ro enable_mtrr_cleanup mtrr_spare_reg_nr=1 mtrr_gran_size=32M mtrr_chunk_size=128M quiet splash vt.handoff=7
  SourcePackage: systemd
  UpgradeStatus: Upgraded to xenial on 2016-04-09 (80 days ago)
  dmi.bios.date: 11/14/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A19
  dmi.board.name: 0NVF5K
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA19:bd11/14/2013:svnDellInc.:pnLatitudeE6520:pvr01:rvnDellInc.:rn0NVF5K:rvrA01:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude E6520
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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