With the original file /lib/udev/hwdb.d/60-keyboard.hwdb : # udevadm info /dev/input/event8 P: /devices/platform/lis3lv02d/input/input9/event8 N: input/event8 L: 0 S: input/by-path/platform-lis3lv02d-event E: DEVPATH=/devices/platform/lis3lv02d/input/input9/event8 E: DEVNAME=/dev/input/event8 E: MAJOR=13 E: MINOR=72 E: SUBSYSTEM=input E: USEC_INITIALIZED=4296811 E: ID_INPUT=1 E: ID_INPUT_ACCELEROMETER=1 E: ID_PATH=platform-lis3lv02d E: ID_PATH_TAG=platform-lis3lv02d E: IIO_SENSOR_PROXY_TYPE=input-accel E: SYSTEMD_WANTS=iio-sensor-proxy.service E: LIBINPUT_DEVICE_GROUP=19/0/0:lis3lv02d E: DEVLINKS=/dev/input/by-path/platform-lis3lv02d-event E: TAGS=:systemd:
# udevadm info /dev/input/event9 P: /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:4f/LNXVIDEO:00/input/input10/event9 N: input/event9 L: 0 E: DEVPATH=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:4f/LNXVIDEO:00/input/input10/event9 E: DEVNAME=/dev/input/event9 E: MAJOR=13 E: MINOR=73 E: SUBSYSTEM=input E: USEC_INITIALIZED=4230143 E: ID_INPUT=1 E: ID_INPUT_KEY=1 E: ID_PATH=acpi-LNXVIDEO:00 E: ID_PATH_TAG=acpi-LNXVIDEO_00 E: XKBMODEL=pc105 E: XKBLAYOUT=de E: BACKSPACE=guess E: LIBINPUT_DEVICE_GROUP=19/0/6:LNXVIDEO/video E: TAGS=:power-switch: # evemu-describe /dev/input/event8 # EVEMU 1.3 # Kernel: 5.4.0-42-generic # DMI: dmi:bvnDellInc.:bvrA21:bd02/01/2018:svnDellInc.:pnLatitudeE6440:pvr00:rvnDellInc.:rn02P3T1:rvrA00:cvnDellInc.:ct9:cvr: # Input device name: "ST LIS3LV02DL Accelerometer" # Input device ID: bus 0x19 vendor 0000 product 0000 version 0000 # Supported events: # Event type 0 (EV_SYN) # Event code 0 (SYN_REPORT) # Event code 1 (SYN_CONFIG) # Event code 2 (SYN_MT_REPORT) # Event code 3 (SYN_DROPPED) # Event code 4 ((null)) # Event code 5 ((null)) # Event code 6 ((null)) # Event code 7 ((null)) # Event code 8 ((null)) # Event code 9 ((null)) # Event code 10 ((null)) # Event code 11 ((null)) # Event code 12 ((null)) # Event code 13 ((null)) # Event code 14 ((null)) # Event code 15 (SYN_MAX) # Event type 3 (EV_ABS) # Event code 0 (ABS_X) # Value -172 # Min -2304 # Max 2304 # Fuzz 18 # Flat 18 # Resolution 0 # Event code 1 (ABS_Y) # Value -10 # Min -2304 # Max 2304 # Fuzz 18 # Flat 18 # Resolution 0 # Event code 2 (ABS_Z) # Value 1178 # Min -2304 # Max 2304 # Fuzz 18 # Flat 18 # Resolution 0 # Properties: N: ST LIS3LV02DL Accelerometer I: 0019 0000 0000 0000 P: 00 00 00 00 00 00 00 00 B: 00 0b 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 02 00 00 00 00 00 00 00 00 B: 03 07 00 00 00 00 00 00 00 B: 04 00 00 00 00 00 00 00 00 B: 05 00 00 00 00 00 00 00 00 B: 11 00 00 00 00 00 00 00 00 B: 12 00 00 00 00 00 00 00 00 B: 14 00 00 00 00 00 00 00 00 B: 15 00 00 00 00 00 00 00 00 B: 15 00 00 00 00 00 00 00 00 A: 00 -2304 2304 18 18 0 A: 01 -2304 2304 18 18 0 A: 02 -2304 2304 18 18 0 # evemu-describe /dev/input/event9 # EVEMU 1.3 # Kernel: 5.4.0-42-generic # DMI: dmi:bvnDellInc.:bvrA21:bd02/01/2018:svnDellInc.:pnLatitudeE6440:pvr00:rvnDellInc.:rn02P3T1:rvrA00:cvnDellInc.:ct9:cvr: # Input device name: "Video Bus" # Input device ID: bus 0x19 vendor 0000 product 0x06 version 0000 # Supported events: # Event type 0 (EV_SYN) # Event code 0 (SYN_REPORT) # Event code 1 (SYN_CONFIG) # Event code 2 (SYN_MT_REPORT) # Event code 3 (SYN_DROPPED) # Event code 4 ((null)) # Event code 5 ((null)) # Event code 6 ((null)) # Event code 7 ((null)) # Event code 8 ((null)) # Event code 9 ((null)) # Event code 10 ((null)) # Event code 11 ((null)) # Event code 12 ((null)) # Event code 13 ((null)) # Event code 14 ((null)) # Event code 15 (SYN_MAX) # Event type 1 (EV_KEY) # Event code 224 (KEY_BRIGHTNESSDOWN) # Event code 225 (KEY_BRIGHTNESSUP) # Event code 227 (KEY_SWITCHVIDEOMODE) # Event code 241 (KEY_VIDEO_NEXT) # Event code 242 (KEY_VIDEO_PREV) # Event code 243 (KEY_BRIGHTNESS_CYCLE) # Event code 244 (KEY_BRIGHTNESS_AUTO) # Event code 245 (KEY_DISPLAY_OFF) # Properties: N: Video Bus I: 0019 0000 0006 0000 P: 00 00 00 00 00 00 00 00 B: 00 0b 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 0b 00 3e 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 01 00 00 00 00 00 00 00 00 B: 02 00 00 00 00 00 00 00 00 B: 03 00 00 00 00 00 00 00 00 B: 04 00 00 00 00 00 00 00 00 B: 05 00 00 00 00 00 00 00 00 B: 11 00 00 00 00 00 00 00 00 B: 12 00 00 00 00 00 00 00 00 B: 14 00 00 00 00 00 00 00 00 B: 15 00 00 00 00 00 00 00 00 B: 15 00 00 00 00 00 00 00 00 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1890186 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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