[udev] rules not applied to devices created by uinput

[kermitfrog]

systemd version the issue has been seen with

255.4

Used distribution

KDE Neon

Linux kernel version used

6.11.0-21-generic

CPU architectures issue was seen on

x86_64

Component

udev rule files

Expected behaviour you didn't see

I have a rule /etc/udev/rules.d/09-uinput.rules with the contents

#Test input
ATTRS{idVendor}=="0001", ATTRS{idProduct}=="44ff", MODE="0666", GROUP="inputmangler",
SUBSYSTEM=="input", ATTRS{idVendor}=="0001", MODE="0666", GROUP="inputmangler",
SUBSYSTEM=="misc", KERNEL=="uinput", MODE="0666", GROUP="inputmangler"

I create a uinput device with vendor = 0x0001 and product = 0x44ff, which I need to be readable by the user. The rules should be applied.

Note that these are the final try. I also tried with MODE="0660" (which is enough) and only putting one of these rules in the file. Nothing works.

When the uinput is created the program is stopped in the debugger, so I could run udevadm test /dev/input/event20.
The output does not mention the rules file beeing applied.

Similiar rules work fine for real devices.
I did use udevadm control --reload to reaload the rules and even tried a full reboot.

Unexpected behaviour you saw

No response

Steps to reproduce the problem

See above.

Additional program output to the terminal or log subsystem illustrating the issue

$ udevadm test /dev/input/event20
This program is for debugging only, it does not run any program
specified by a RUN key. It may show incorrect results, because
some values may be different, or not available at a simulation run.

Trying to open "/etc/systemd/hwdb/hwdb.bin"...
Trying to open "/etc/udev/hwdb.bin"...
Trying to open "/usr/lib/systemd/hwdb/hwdb.bin"...
Trying to open "/usr/lib/udev/hwdb.bin"...
=== trie on-disk ===
tool version:          255
file size:        12810953 bytes
header size             80 bytes
strings            2589041 bytes
nodes             10221832 bytes
Loading kernel module index.
Found cgroup2 on /sys/fs/cgroup/, full unified hierarchy
Found container virtualization none.
Using default interface naming scheme 'v255'.
Parsed configuration file "/usr/lib/systemd/network/99-default.link"
Parsed configuration file "/usr/lib/systemd/network/73-usb-net-by-mac.link"
Created link configuration context.
Reading rules file: /etc/udev/rules.d/09-uinput.rules
Reading rules file: /etc/udev/rules.d/10-dygma.rules
Reading rules file: /usr/lib/udev/rules.d/39-usbmuxd.rules
Reading rules file: /usr/lib/udev/rules.d/40-usb-media-players.rules
Reading rules file: /usr/lib/udev/rules.d/40-usb_modeswitch.rules
Reading rules file: /usr/lib/udev/rules.d/40-vm-hotadd.rules
Reading rules file: /usr/lib/udev/rules.d/50-firmware.rules
Reading rules file: /usr/lib/udev/rules.d/50-udev-default.rules
Reading rules file: /etc/udev/rules.d/51-android.rules
Reading rules file: /usr/lib/udev/rules.d/55-dm.rules
Reading rules file: /usr/lib/udev/rules.d/56-hpmud.rules
Reading rules file: /usr/lib/udev/rules.d/56-lvm.rules
Reading rules file: /usr/lib/udev/rules.d/60-autosuspend.rules
Reading rules file: /usr/lib/udev/rules.d/60-block.rules
Reading rules file: /usr/lib/udev/rules.d/60-cdrom_id.rules
Reading rules file: /usr/lib/udev/rules.d/60-ddcutil.rules
Reading rules file: /usr/lib/udev/rules.d/60-dmi-id.rules
Reading rules file: /usr/lib/udev/rules.d/60-drm.rules
Reading rules file: /etc/udev/rules.d/60-dygma.rules
Reading rules file: /usr/lib/udev/rules.d/60-evdev.rules
Reading rules file: /usr/lib/udev/rules.d/60-fido-id.rules
Reading rules file: /usr/lib/udev/rules.d/60-i2c-tools.rules
Reading rules file: /usr/lib/udev/rules.d/60-infiniband.rules
Reading rules file: /usr/lib/udev/rules.d/60-input-id.rules
Reading rules file: /usr/lib/udev/rules.d/60-inputattach.rules
Reading rules file: /usr/lib/udev/rules.d/60-libgphoto2-6t64.rules
Reading rules file: /usr/lib/udev/rules.d/60-libopenni2-0.rules
Reading rules file: /usr/lib/udev/rules.d/60-libsane1.rules
Reading rules file: /usr/lib/udev/rules.d/60-pcmcia.rules
Reading rules file: /usr/lib/udev/rules.d/60-persistent-alsa.rules
Reading rules file: /usr/lib/udev/rules.d/60-persistent-input.rules
Reading rules file: /usr/lib/udev/rules.d/60-persistent-storage-dm.rules
Reading rules file: /usr/lib/udev/rules.d/60-persistent-storage-mtd.rules
Reading rules file: /usr/lib/udev/rules.d/60-persistent-storage-tape.rules
Reading rules file: /usr/lib/udev/rules.d/60-persistent-storage.rules
Reading rules file: /usr/lib/udev/rules.d/60-persistent-v4l.rules
Reading rules file: /usr/lib/udev/rules.d/60-sensor.rules
Reading rules file: /usr/lib/udev/rules.d/60-serial.rules
Reading rules file: /usr/lib/udev/rules.d/60-steam-input.rules
Reading rules file: /usr/lib/udev/rules.d/60-steam-vr.rules
Reading rules file: /usr/lib/udev/rules.d/60-tpm-udev.rules
Reading rules file: /usr/lib/udev/rules.d/60-virtualbox-dkms.rules
Reading rules file: /usr/lib/udev/rules.d/60-virtualbox.rules
Reading rules file: /usr/lib/udev/rules.d/61-persistent-storage-android.rules
Reading rules file: /usr/lib/udev/rules.d/64-btrfs-dm.rules
Reading rules file: /usr/lib/udev/rules.d/64-btrfs-zoned.rules
Reading rules file: /usr/lib/udev/rules.d/64-btrfs.rules
Reading rules file: /usr/lib/udev/rules.d/64-xorg-xkb.rules
Reading rules file: /usr/lib/udev/rules.d/65-libwacom.rules
Reading rules file: /usr/lib/udev/rules.d/66-snapd-autoimport.rules
Reading rules file: /usr/lib/udev/rules.d/69-cd-sensors.rules
Reading rules file: /usr/lib/udev/rules.d/69-libmtp.rules
Reading rules file: /usr/lib/udev/rules.d/69-lvm.rules
Reading rules file: /usr/lib/udev/rules.d/69-wacom.rules
Reading rules file: /usr/lib/udev/rules.d/70-camera.rules
Reading rules file: /usr/lib/udev/rules.d/70-joystick.rules
Reading rules file: /usr/lib/udev/rules.d/70-libfprint-2.rules
Reading rules file: /usr/lib/udev/rules.d/70-memory.rules
Reading rules file: /usr/lib/udev/rules.d/70-mouse.rules
Reading rules file: /usr/lib/udev/rules.d/70-neon-fido_u2f.rules
Reading rules file: /usr/lib/udev/rules.d/70-power-switch.rules
Reading rules file: /usr/lib/udev/rules.d/70-printers.rules
Reading rules file: /etc/udev/rules.d/70-snap.snapd.rules
Reading rules file: /usr/lib/udev/rules.d/70-spice-vdagentd.rules
Reading rules file: /usr/lib/udev/rules.d/70-touchpad.rules
Reading rules file: /usr/lib/udev/rules.d/70-uaccess.rules
Reading rules file: /usr/lib/udev/rules.d/71-ipp-usb.rules
Reading rules file: /usr/lib/udev/rules.d/71-power-switch-proliant.rules
Reading rules file: /usr/lib/udev/rules.d/71-seat.rules
Reading rules file: /usr/lib/udev/rules.d/71-u-d-c-gpu-detection.rules
Reading rules file: /usr/lib/udev/rules.d/73-seat-late.rules
Reading rules file: /usr/lib/udev/rules.d/73-special-net-names.rules
Reading rules file: /usr/lib/udev/rules.d/75-net-description.rules
Reading rules file: /usr/lib/udev/rules.d/75-probe_mtd.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-broadmobi-port-types.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-cinterion-port-types.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-dell-port-types.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-dlink-port-types.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-ericsson-mbm.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-fibocom-port-types.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-foxconn-port-types.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-gosuncn-port-types.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-haier-port-types.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-huawei-net-port-types.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-linktop-port-types.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-longcheer-port-types.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-mtk-legacy-port-types.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-mtk-port-types.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-nokia-port-types.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-qcom-soc.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-qdl-device-blacklist.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-quectel-port-types.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-sierra.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-simtech-port-types.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-telit-port-types.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-tplink-port-types.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-ublox-port-types.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-x22x-port-types.rules
Reading rules file: /usr/lib/udev/rules.d/77-mm-zte-port-types.rules
Reading rules file: /usr/lib/udev/rules.d/78-graphics-card.rules
Reading rules file: /usr/lib/udev/rules.d/78-sound-card.rules
Reading rules file: /usr/lib/udev/rules.d/80-debian-compat.rules
Reading rules file: /usr/lib/udev/rules.d/80-drivers.rules
Reading rules file: /usr/lib/udev/rules.d/80-iio-sensor-proxy.rules
Reading rules file: /etc/udev/rules.d/80-inputmangler.rules
Reading rules file: /usr/lib/udev/rules.d/80-libinput-device-groups.rules
Reading rules file: /usr/lib/udev/rules.d/80-mm-candidate.rules
Reading rules file: /usr/lib/udev/rules.d/80-net-setup-link.rules
Reading rules file: /usr/lib/udev/rules.d/80-udisks2.rules
Reading rules file: /usr/lib/udev/rules.d/81-net-dhcp.rules
Reading rules file: /usr/lib/udev/rules.d/84-nm-drivers.rules
Reading rules file: /usr/lib/udev/rules.d/85-brltty.rules
Reading rules file: /usr/lib/udev/rules.d/85-hdparm.rules
Reading rules file: /usr/lib/udev/rules.d/85-hplj10xx.rules
Reading rules file: /usr/lib/udev/rules.d/85-nm-unmanaged.rules
Reading rules file: /usr/lib/udev/rules.d/90-alsa-restore.rules
Reading rules file: /usr/lib/udev/rules.d/90-bolt.rules
Reading rules file: /usr/lib/udev/rules.d/90-console-setup.rules
Reading rules file: /usr/lib/udev/rules.d/90-fwupd-devices.rules
Reading rules file: /usr/lib/udev/rules.d/90-iocost.rules
Reading rules file: /usr/lib/udev/rules.d/90-libgpod.rules
Reading rules file: /usr/lib/udev/rules.d/90-libinput-fuzz-override.rules
Reading rules file: /run/udev/rules.d/90-netplan.rules
Reading rules file: /usr/lib/udev/rules.d/90-nm-thunderbolt.rules
Reading rules file: /usr/lib/udev/rules.d/90-pipewire-alsa.rules
Reading rules file: /usr/lib/udev/rules.d/90-pulseaudio.rules
Reading rules file: /usr/lib/udev/rules.d/95-cd-devices.rules
Reading rules file: /usr/lib/udev/rules.d/95-dm-notify.rules
Reading rules file: /usr/lib/udev/rules.d/95-upower-hid.rules
Reading rules file: /usr/lib/udev/rules.d/95-upower-wup.rules
Reading rules file: /usr/lib/udev/rules.d/96-e2scrub.rules
Reading rules file: /usr/lib/udev/rules.d/97-hid2hci.rules
Reading rules file: /usr/lib/udev/rules.d/99-libsane1.rules
Reading rules file: /usr/lib/udev/rules.d/99-systemd.rules
value '[dmi/id]sys_vendor' is 'System manufacturer'
value '[dmi/id]sys_vendor' is 'System manufacturer'
event20: /usr/lib/udev/rules.d/50-udev-default.rules:49 GROUP 995
event20: /usr/lib/udev/rules.d/60-evdev.rules:10 Importing properties from results of builtin command 'hwdb --subsystem=input --lookup-prefix=evdev:'
event20: hwdb modalias key: "input:b0000v0001p44FFe0000-e0,1,k71,72,73,74,75,76,77,78,79,7A,7B,7C,7D,7E,7F,80,81,82,83,84,85,86,87,88,89,8A,8B,8C,8D,8E,8F,90,91,92,93,94,95,96,97,98,99,9A,9B,9C,9D,9E,9F,A0,A1,A2,A3,A4,A5,A6,A7,A8,A9,AA,AB,AC,AD,AE,AF,B0,B1,B2,B3,B4,B5,B6,B7,B8,B9,BA,BB,BC,BD,BE,BF,C0,C1,C2,C8,C9,CA,CB,CC,CD,CE,CF,D0,D1,D2,D3,D4,D5,D6,D7,D8,D9,DA,DB,DC,DD,DE,DF,E0,E1,E2,E3,E4,E5,E6,E7,E8,E9,EA,EB,EC,ED,EE,EF,F0,F1,F2,F3,F4,F5,F6,F7,F8,160,161,162,163,164,165,166,167,168,169,16A,16B,16C,16D,16E,16F,170,171,172,173,174,175,176,177,178,179,17A,17B,17C,17D,17E,17F,180,181,182,183,184,185,186,187,188,189,18A,18B,18C,18D,18E,18F,190,191,192,193,194,195,196,197,198,199,19A,19B,19C,19D,19E,19F,1A0,1A1,1A2,1A3,1A4,1A5,1A6,1A7,1A8,1A9,1AA,1AB,1AC,1AD,1AE,1AF,1B0,1B1,1B2,1B3,1B4,1B5,1B6,1B7,1B8,1B9,1BA,1C0,1C1,1C2,1C3,1D0,1D1,1D2,1D3,1D4,1D5,1D6,1D7,1D8,1D9,1DA,1DB,1DC,1DD,1DE,1DF,1E0,1E1,1E2,1E3,1E4,1F1,1F2,1F3,1F4,1F5,1F6,1F7,1F8,1F9,1FA,200,201,202,203,204,205,206,207,208,209,20A,20B,20C,20D,20E,20F,210,211,212,213,214,215,216,217,218,219,21A,21B,21C,21D,21E,230,240,241,242,243,244,245,246,250,251,260,261,262,263,264,265,ramlsfw"
event20: No entry found from hwdb.
event20: /usr/lib/udev/rules.d/60-evdev.rules:10 Failed to run builtin 'hwdb --subsystem=input --lookup-prefix=evdev:': No data available
value '[dmi/id]modalias' is 'dmi:bvnAmericanMegatrendsInc.:bvr2002:bd09/20/2016:br5.11:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnH170-PRO/USB3.1:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:'
event20: /usr/lib/udev/rules.d/60-evdev.rules:20 Importing properties from results of builtin command 'hwdb 'evdev:name:test:dmi:bvnAmericanMegatrendsInc.:bvr2002:bd09/20/2016:br5.11:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnH170-PRO/USB3.1:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:''
event20: No entry found from hwdb.
event20: /usr/lib/udev/rules.d/60-evdev.rules:20 Failed to run builtin 'hwdb 'evdev:name:test:dmi:bvnAmericanMegatrendsInc.:bvr2002:bd09/20/2016:br5.11:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnH170-PRO/USB3.1:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:'': No data available
value '[dmi/id]modalias' is 'dmi:bvnAmericanMegatrendsInc.:bvr2002:bd09/20/2016:br5.11:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnH170-PRO/USB3.1:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:'
event20: /usr/lib/udev/rules.d/60-evdev.rules:25 Importing properties from results of builtin command 'hwdb 'evdev:name:test:phys::ev:3:dmi:bvnAmericanMegatrendsInc.:bvr2002:bd09/20/2016:br5.11:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnH170-PRO/USB3.1:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:''
event20: No entry found from hwdb.
event20: /usr/lib/udev/rules.d/60-evdev.rules:25 Failed to run builtin 'hwdb 'evdev:name:test:phys::ev:3:dmi:bvnAmericanMegatrendsInc.:bvr2002:bd09/20/2016:br5.11:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnH170-PRO/USB3.1:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:'': No data available
event20: /usr/lib/udev/rules.d/60-input-id.rules:5 Importing properties from results of builtin command 'input_id'
input36: capabilities/ev raw kernel attribute: 3
input36: capabilities/abs raw kernel attribute: 0
input36: capabilities/rel raw kernel attribute: 0
input36: capabilities/key raw kernel attribute: 3f0003007f 100007fffffff 7fe001fffff000f 7ffffffffffffff ffffffff00000000 0 1ffffffffffff07 ffffffffffffffff ffffffffffefffff fffffffffffffffe
input36: properties raw kernel attribute: 0
event20: test_key: checking bit block 0 for any keys; found=yes
event20: /usr/lib/udev/rules.d/60-input-id.rules:6 Importing properties from results of builtin command 'hwdb --subsystem=input --lookup-prefix=id-input:modalias:'
event20: hwdb modalias key: "input:b0000v0001p44FFe0000-e0,1,k71,72,73,74,75,76,77,78,79,7A,7B,7C,7D,7E,7F,80,81,82,83,84,85,86,87,88,89,8A,8B,8C,8D,8E,8F,90,91,92,93,94,95,96,97,98,99,9A,9B,9C,9D,9E,9F,A0,A1,A2,A3,A4,A5,A6,A7,A8,A9,AA,AB,AC,AD,AE,AF,B0,B1,B2,B3,B4,B5,B6,B7,B8,B9,BA,BB,BC,BD,BE,BF,C0,C1,C2,C8,C9,CA,CB,CC,CD,CE,CF,D0,D1,D2,D3,D4,D5,D6,D7,D8,D9,DA,DB,DC,DD,DE,DF,E0,E1,E2,E3,E4,E5,E6,E7,E8,E9,EA,EB,EC,ED,EE,EF,F0,F1,F2,F3,F4,F5,F6,F7,F8,160,161,162,163,164,165,166,167,168,169,16A,16B,16C,16D,16E,16F,170,171,172,173,174,175,176,177,178,179,17A,17B,17C,17D,17E,17F,180,181,182,183,184,185,186,187,188,189,18A,18B,18C,18D,18E,18F,190,191,192,193,194,195,196,197,198,199,19A,19B,19C,19D,19E,19F,1A0,1A1,1A2,1A3,1A4,1A5,1A6,1A7,1A8,1A9,1AA,1AB,1AC,1AD,1AE,1AF,1B0,1B1,1B2,1B3,1B4,1B5,1B6,1B7,1B8,1B9,1BA,1C0,1C1,1C2,1C3,1D0,1D1,1D2,1D3,1D4,1D5,1D6,1D7,1D8,1D9,1DA,1DB,1DC,1DD,1DE,1DF,1E0,1E1,1E2,1E3,1E4,1F1,1F2,1F3,1F4,1F5,1F6,1F7,1F8,1F9,1FA,200,201,202,203,204,205,206,207,208,209,20A,20B,20C,20D,20E,20F,210,211,212,213,214,215,216,217,218,219,21A,21B,21C,21D,21E,230,240,241,242,243,244,245,246,250,251,260,261,262,263,264,265,ramlsfw"
event20: No entry found from hwdb.
event20: /usr/lib/udev/rules.d/60-input-id.rules:6 Failed to run builtin 'hwdb --subsystem=input --lookup-prefix=id-input:modalias:': No data available
event20: /usr/lib/udev/rules.d/64-xorg-xkb.rules:6 Importing properties from '/etc/default/keyboard'
event20: /usr/lib/udev/rules.d/65-libwacom.rules:20 Importing properties from results of builtin command 'hwdb --subsystem=input '--lookup-prefix=libwacom:name:test:''
event20: hwdb modalias key: "input:b0000v0001p44FFe0000-e0,1,k71,72,73,74,75,76,77,78,79,7A,7B,7C,7D,7E,7F,80,81,82,83,84,85,86,87,88,89,8A,8B,8C,8D,8E,8F,90,91,92,93,94,95,96,97,98,99,9A,9B,9C,9D,9E,9F,A0,A1,A2,A3,A4,A5,A6,A7,A8,A9,AA,AB,AC,AD,AE,AF,B0,B1,B2,B3,B4,B5,B6,B7,B8,B9,BA,BB,BC,BD,BE,BF,C0,C1,C2,C8,C9,CA,CB,CC,CD,CE,CF,D0,D1,D2,D3,D4,D5,D6,D7,D8,D9,DA,DB,DC,DD,DE,DF,E0,E1,E2,E3,E4,E5,E6,E7,E8,E9,EA,EB,EC,ED,EE,EF,F0,F1,F2,F3,F4,F5,F6,F7,F8,160,161,162,163,164,165,166,167,168,169,16A,16B,16C,16D,16E,16F,170,171,172,173,174,175,176,177,178,179,17A,17B,17C,17D,17E,17F,180,181,182,183,184,185,186,187,188,189,18A,18B,18C,18D,18E,18F,190,191,192,193,194,195,196,197,198,199,19A,19B,19C,19D,19E,19F,1A0,1A1,1A2,1A3,1A4,1A5,1A6,1A7,1A8,1A9,1AA,1AB,1AC,1AD,1AE,1AF,1B0,1B1,1B2,1B3,1B4,1B5,1B6,1B7,1B8,1B9,1BA,1C0,1C1,1C2,1C3,1D0,1D1,1D2,1D3,1D4,1D5,1D6,1D7,1D8,1D9,1DA,1DB,1DC,1DD,1DE,1DF,1E0,1E1,1E2,1E3,1E4,1F1,1F2,1F3,1F4,1F5,1F6,1F7,1F8,1F9,1FA,200,201,202,203,204,205,206,207,208,209,20A,20B,20C,20D,20E,20F,210,211,212,213,214,215,216,217,218,219,21A,21B,21C,21D,21E,230,240,241,242,243,244,245,246,250,251,260,261,262,263,264,265,ramlsfw"
event20: No entry found from hwdb.
event20: /usr/lib/udev/rules.d/65-libwacom.rules:20 Failed to run builtin 'hwdb --subsystem=input '--lookup-prefix=libwacom:name:test:'': No data available
event20: Preserve permissions of /dev/input/event20, uid=0, gid=995, mode=0660
event20: Successfully created symlink '/dev/char/13:84' to '/dev/input/event20'
event20: sd-device: Created db file '/run/udev/data/c13:84' for '/devices/virtual/input/input36/event20'
DEVPATH=/devices/virtual/input/input36/event20
DEVNAME=/dev/input/event20
MAJOR=13
MINOR=84
SUBSYSTEM=input
ACTION=add
TAGS=:power-switch:
ID_INPUT=1
ID_INPUT_KEY=1
ID_INPUT_KEYBOARD=1
.INPUT_CLASS=kbd
ID_SERIAL=noserial
XKBMODEL=pc105
XKBLAYOUT=us
XKBVARIANT=dvp
BACKSPACE=guess
CURRENT_TAGS=:power-switch:
USEC_INITIALIZED=2814936283
Unload kernel module index.
Unloaded link configuration context.


$ journalctl -f
Apr 09 11:28:38 nyarly kernel: input: test as /devices/virtual/input/input256
Apr 09 11:28:38 nyarly systemd-udevd[378]: input256: Device is queued (SEQNUM=6766, ACTION=add)
Apr 09 11:28:38 nyarly systemd-udevd[378]: input256: Device ready for processing (SEQNUM=6766, ACTION=add)
Apr 09 11:28:38 nyarly systemd-udevd[378]: Successfully forked off '(udev-worker)' as PID 14117.
Apr 09 11:28:38 nyarly systemd-udevd[378]: input256: Worker [14117] is forked for processing SEQNUM=6766.
Apr 09 11:28:38 nyarly systemd-udevd[378]: event20: Device is queued (SEQNUM=6767, ACTION=add)
Apr 09 11:28:38 nyarly systemd-udevd[378]: event20: SEQNUM=6767 blocked by SEQNUM=6766
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: Processing device (SEQNUM=6766, ACTION=add)
Apr 09 11:28:38 nyarly (udev-worker)[14117]: value '[dmi/id]sys_vendor' is 'System manufacturer'
Apr 09 11:28:38 nyarly (udev-worker)[14117]: value '[dmi/id]sys_vendor' is 'System manufacturer'
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: /usr/lib/udev/rules.d/50-udev-default.rules:20 Importing properties from results of builtin command 'hwdb --subsystem=input'
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: hwdb modalias key: "input:b0000v0001p44FFe0000-e0,1,k71,72,73,74,75,76,77,78,79,7A,7B,7C,7D,7E,7F,80,81,82,83,84,85,86,87,88,89,8A,8B,8C,8D,8E,8F,90,91,92,93,94,95,96,97,98,99,9A,9B,9C,9D,9E,9F,A0,A1,A2,A3,A4,A5,A6,A7,A8,A9,AA,AB,AC,AD,AE,AF,B0,B1,B2,B3,B4,B5,B6,B7,B8,B9,BA,BB,BC,BD,BE,BF,C0,C1,C2,C8,C9,CA,CB,CC,CD,CE,CF,D0,D1,D2,D3,D4,D5,D6,D7,D8,D9,DA,DB,DC,DD,DE,DF,E0,E1,E2,E3,E4,E5,E6,E7,E8,E9,EA,EB,EC,ED,EE,EF,F0,F1,F2,F3,F4,F5,F6,F7,F8,160,161,162,163,164,165,166,167,168,169,16A,16B,16C,16D,16E,16F,170,171,172,173,174,175,176,177,178,179,17A,17B,17C,17D,17E,17F,180,181,182,183,184,185,186,187,188,189,18A,18B,18C,18D,18E,18F,190,191,192,193,194,195,196,197,198,199,19A,19B,19C,19D,19E,19F,1A0,1A1,1A2,1A3,1A4,1A5,1A6,1A7,1A8,1A9,1AA,1AB,1AC,1AD,1AE,1AF,1B0,1B1,1B2,1B3,1B4,1B5,1B6,1B7,1B8,1B9,1BA,1C0,1C1,1C2,1C3,1D0,1D1,1D2,1D3,1D4,1D5,1D6,1D7,1D8,1D9,1DA,1DB,1DC,1DD,1DE,1DF,1E0,1E1,1E2,1E3,1E4,1F1,1F2,1F3,1F4,1F5,1F6,1F7,1F8,1F9,1FA,200,201,202,203,204,205,206,207,208,209,20A,20B,20C,20D,20E,20F,210,211,212,213,214,215,216,217,218,219,21A,21B,21C,21D,21E,230,240,241,242,243,244,245,246,250,251,260,261,262,263,264,265,ramlsfw"
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: No entry found from hwdb.
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: /usr/lib/udev/rules.d/50-udev-default.rules:20 Failed to run builtin 'hwdb --subsystem=input': No data available
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: /usr/lib/udev/rules.d/60-input-id.rules:5 Importing properties from results of builtin command 'input_id'
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: capabilities/ev raw kernel attribute: 3
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: capabilities/abs raw kernel attribute: 0
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: capabilities/rel raw kernel attribute: 0
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: capabilities/key raw kernel attribute: 3f0003007f 100007fffffff 7fe001fffff000f 7ffffffffffffff ffffffff00000000 0 1ffffffffffff07 ffffffffffffffff ffffffffffefffff fffffffffffffffe
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: properties raw kernel attribute: 0
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: test_key: checking bit block 0 for any keys; found=yes
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: /usr/lib/udev/rules.d/60-input-id.rules:6 Importing properties from results of builtin command 'hwdb --subsystem=input --lookup-prefix=id-input:modalias:'
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: hwdb modalias key: "input:b0000v0001p44FFe0000-e0,1,k71,72,73,74,75,76,77,78,79,7A,7B,7C,7D,7E,7F,80,81,82,83,84,85,86,87,88,89,8A,8B,8C,8D,8E,8F,90,91,92,93,94,95,96,97,98,99,9A,9B,9C,9D,9E,9F,A0,A1,A2,A3,A4,A5,A6,A7,A8,A9,AA,AB,AC,AD,AE,AF,B0,B1,B2,B3,B4,B5,B6,B7,B8,B9,BA,BB,BC,BD,BE,BF,C0,C1,C2,C8,C9,CA,CB,CC,CD,CE,CF,D0,D1,D2,D3,D4,D5,D6,D7,D8,D9,DA,DB,DC,DD,DE,DF,E0,E1,E2,E3,E4,E5,E6,E7,E8,E9,EA,EB,EC,ED,EE,EF,F0,F1,F2,F3,F4,F5,F6,F7,F8,160,161,162,163,164,165,166,167,168,169,16A,16B,16C,16D,16E,16F,170,171,172,173,174,175,176,177,178,179,17A,17B,17C,17D,17E,17F,180,181,182,183,184,185,186,187,188,189,18A,18B,18C,18D,18E,18F,190,191,192,193,194,195,196,197,198,199,19A,19B,19C,19D,19E,19F,1A0,1A1,1A2,1A3,1A4,1A5,1A6,1A7,1A8,1A9,1AA,1AB,1AC,1AD,1AE,1AF,1B0,1B1,1B2,1B3,1B4,1B5,1B6,1B7,1B8,1B9,1BA,1C0,1C1,1C2,1C3,1D0,1D1,1D2,1D3,1D4,1D5,1D6,1D7,1D8,1D9,1DA,1DB,1DC,1DD,1DE,1DF,1E0,1E1,1E2,1E3,1E4,1F1,1F2,1F3,1F4,1F5,1F6,1F7,1F8,1F9,1FA,200,201,202,203,204,205,206,207,208,209,20A,20B,20C,20D,20E,20F,210,211,212,213,214,215,216,217,218,219,21A,21B,21C,21D,21E,230,240,241,242,243,244,245,246,250,251,260,261,262,263,264,265,ramlsfw"
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: No entry found from hwdb.
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: /usr/lib/udev/rules.d/60-input-id.rules:6 Failed to run builtin 'hwdb --subsystem=input --lookup-prefix=id-input:modalias:': No data available
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: /usr/lib/udev/rules.d/71-seat.rules:74 Importing properties from results of builtin command 'path_id'
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: /usr/lib/udev/rules.d/71-seat.rules:74 Failed to run builtin 'path_id': No such file or directory
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: /usr/lib/udev/rules.d/80-drivers.rules:5 RUN 'kmod load'
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: sd-device: Created db file '/run/udev/data/+input:input256' for '/devices/virtual/input/input256'
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: Running built-in command "kmod load"
Apr 09 11:28:38 nyarly (udev-worker)[14117]: Loading module: input:b0000v0001p44FFe0000-e0,1,k71,72,73,74,75,76,77,78,79,7A,7B,7C,7D,7E,7F,80,81,82,83,84,85,86,87,88,89,8A,8B,8C,8D,8E,8F,90,91,92,93,94,95,96,97,98,99,9A,9B,9C,9D,9E,9F,A0,A1,A2,A3,A4,A5,A6,A7,A8,A9,AA,AB,AC,AD,AE,AF,B0,B1,B2,B3,B4,B5,B6,B7,B8,B9,BA,BB,BC,BD,BE,BF,C0,C1,C2,C8,C9,CA,CB,CC,CD,CE,CF,D0,D1,D2,D3,D4,D5,D6,D7,D8,D9,DA,DB,DC,DD,DE,DF,E0,E1,E2,E3,E4,E5,E6,E7,E8,E9,EA,EB,EC,ED,EE,EF,F0,F1,F2,F3,F4,F5,F6,F7,F8,160,161,162,163,164,165,166,167,168,169,16A,16B,16C,16D,16E,16F,170,171,172,173,174,175,176,177,178,179,17A,17B,17C,17D,17E,17F,180,181,182,183,184,185,186,187,188,189,18A,18B,18C,18D,18E,18F,190,191,192,193,194,195,196,197,198,199,19A,19B,19C,19D,19E,19F,1A0,1A1,1A2,1A3,1A4,1A5,1A6,1A7,1A8,1A9,1AA,1AB,1AC,1AD,1AE,1AF,1B0,1B1,1B2,1B3,1B4,1B5,1B6,1B7,1B8,1B9,1BA,1C0,1C1,1C2,1C3,1D0,1D1,1D2,1D3,1D4,1D5,1D6,1D7,1D8,1D9,1DA,1DB,1DC,1DD,1DE,1DF,1E0,1E1,1E2,1E3,1E4,1F1,1F2,1F3,1F4,1F5,1F6,1F7,1F8,1F9,1FA,200,201,202,203,204,205,206,207,208,209,20A,20B,20C,20D,20E,20F,210,211,212,213,214,215,216,217,218,219,21A,21B,21C,21D,21E,230,240,241,242,243,244,245,246,250,251,260,261,262,263,264,265,ramlsfw
Apr 09 11:28:38 nyarly (udev-worker)[14117]: Module 'mac_hid' is already loaded
Apr 09 11:28:38 nyarly (udev-worker)[14117]: Module 'evbug' is deny-listed (by kmod)
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: Device processed (SEQNUM=6766, ACTION=add)
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: sd-device-monitor(worker): Passed 1610 byte to netlink monitor.
Apr 09 11:28:38 nyarly systemd-udevd[378]: event20: Device ready for processing (SEQNUM=6767, ACTION=add)
Apr 09 11:28:38 nyarly systemd-udevd[378]: event20: sd-device-monitor(manager): Passed 224 byte to netlink monitor.
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: Processing device (SEQNUM=6767, ACTION=add)
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: Removing watch handle -1.
Apr 09 11:28:38 nyarly (udev-worker)[14117]: value '[dmi/id]sys_vendor' is 'System manufacturer'
Apr 09 11:28:38 nyarly (udev-worker)[14117]: value '[dmi/id]sys_vendor' is 'System manufacturer'
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: /usr/lib/udev/rules.d/50-udev-default.rules:49 GROUP 995
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: /usr/lib/udev/rules.d/60-evdev.rules:10 Importing properties from results of builtin command 'hwdb --subsystem=input --lookup-prefix=evdev:'
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: hwdb modalias key: "input:b0000v0001p44FFe0000-e0,1,k71,72,73,74,75,76,77,78,79,7A,7B,7C,7D,7E,7F,80,81,82,83,84,85,86,87,88,89,8A,8B,8C,8D,8E,8F,90,91,92,93,94,95,96,97,98,99,9A,9B,9C,9D,9E,9F,A0,A1,A2,A3,A4,A5,A6,A7,A8,A9,AA,AB,AC,AD,AE,AF,B0,B1,B2,B3,B4,B5,B6,B7,B8,B9,BA,BB,BC,BD,BE,BF,C0,C1,C2,C8,C9,CA,CB,CC,CD,CE,CF,D0,D1,D2,D3,D4,D5,D6,D7,D8,D9,DA,DB,DC,DD,DE,DF,E0,E1,E2,E3,E4,E5,E6,E7,E8,E9,EA,EB,EC,ED,EE,EF,F0,F1,F2,F3,F4,F5,F6,F7,F8,160,161,162,163,164,165,166,167,168,169,16A,16B,16C,16D,16E,16F,170,171,172,173,174,175,176,177,178,179,17A,17B,17C,17D,17E,17F,180,181,182,183,184,185,186,187,188,189,18A,18B,18C,18D,18E,18F,190,191,192,193,194,195,196,197,198,199,19A,19B,19C,19D,19E,19F,1A0,1A1,1A2,1A3,1A4,1A5,1A6,1A7,1A8,1A9,1AA,1AB,1AC,1AD,1AE,1AF,1B0,1B1,1B2,1B3,1B4,1B5,1B6,1B7,1B8,1B9,1BA,1C0,1C1,1C2,1C3,1D0,1D1,1D2,1D3,1D4,1D5,1D6,1D7,1D8,1D9,1DA,1DB,1DC,1DD,1DE,1DF,1E0,1E1,1E2,1E3,1E4,1F1,1F2,1F3,1F4,1F5,1F6,1F7,1F8,1F9,1FA,200,201,202,203,204,205,206,207,208,209,20A,20B,20C,20D,20E,20F,210,211,212,213,214,215,216,217,218,219,21A,21B,21C,21D,21E,230,240,241,242,243,244,245,246,250,251,260,261,262,263,264,265,ramlsfw"
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: No entry found from hwdb.
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: /usr/lib/udev/rules.d/60-evdev.rules:10 Failed to run builtin 'hwdb --subsystem=input --lookup-prefix=evdev:': No data available
Apr 09 11:28:38 nyarly (udev-worker)[14117]: value '[dmi/id]modalias' is 'dmi:bvnAmericanMegatrendsInc.:bvr2002:bd09/20/2016:br5.11:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnH170-PRO/USB3.1:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:'
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: /usr/lib/udev/rules.d/60-evdev.rules:20 Importing properties from results of builtin command 'hwdb 'evdev:name:test:dmi:bvnAmericanMegatrendsInc.:bvr2002:bd09/20/2016:br5.11:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnH170-PRO/USB3.1:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:''
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: No entry found from hwdb.
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: /usr/lib/udev/rules.d/60-evdev.rules:20 Failed to run builtin 'hwdb 'evdev:name:test:dmi:bvnAmericanMegatrendsInc.:bvr2002:bd09/20/2016:br5.11:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnH170-PRO/USB3.1:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:'': No data available
Apr 09 11:28:38 nyarly (udev-worker)[14117]: value '[dmi/id]modalias' is 'dmi:bvnAmericanMegatrendsInc.:bvr2002:bd09/20/2016:br5.11:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnH170-PRO/USB3.1:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:'
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: /usr/lib/udev/rules.d/60-evdev.rules:25 Importing properties from results of builtin command 'hwdb 'evdev:name:test:phys::ev:3:dmi:bvnAmericanMegatrendsInc.:bvr2002:bd09/20/2016:br5.11:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnH170-PRO/USB3.1:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:''
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: No entry found from hwdb.
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: /usr/lib/udev/rules.d/60-evdev.rules:25 Failed to run builtin 'hwdb 'evdev:name:test:phys::ev:3:dmi:bvnAmericanMegatrendsInc.:bvr2002:bd09/20/2016:br5.11:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnH170-PRO/USB3.1:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:skuSKU:'': No data available
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: /usr/lib/udev/rules.d/60-input-id.rules:5 Importing properties from results of builtin command 'input_id'
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: capabilities/ev raw kernel attribute: 3
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: capabilities/abs raw kernel attribute: 0
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: capabilities/rel raw kernel attribute: 0
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: capabilities/key raw kernel attribute: 3f0003007f 100007fffffff 7fe001fffff000f 7ffffffffffffff ffffffff00000000 0 1ffffffffffff07 ffffffffffffffff ffffffffffefffff fffffffffffffffe
Apr 09 11:28:38 nyarly (udev-worker)[14117]: input256: properties raw kernel attribute: 0
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: test_key: checking bit block 0 for any keys; found=yes
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: /usr/lib/udev/rules.d/60-input-id.rules:6 Importing properties from results of builtin command 'hwdb --subsystem=input --lookup-prefix=id-input:modalias:'
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: hwdb modalias key: "input:b0000v0001p44FFe0000-e0,1,k71,72,73,74,75,76,77,78,79,7A,7B,7C,7D,7E,7F,80,81,82,83,84,85,86,87,88,89,8A,8B,8C,8D,8E,8F,90,91,92,93,94,95,96,97,98,99,9A,9B,9C,9D,9E,9F,A0,A1,A2,A3,A4,A5,A6,A7,A8,A9,AA,AB,AC,AD,AE,AF,B0,B1,B2,B3,B4,B5,B6,B7,B8,B9,BA,BB,BC,BD,BE,BF,C0,C1,C2,C8,C9,CA,CB,CC,CD,CE,CF,D0,D1,D2,D3,D4,D5,D6,D7,D8,D9,DA,DB,DC,DD,DE,DF,E0,E1,E2,E3,E4,E5,E6,E7,E8,E9,EA,EB,EC,ED,EE,EF,F0,F1,F2,F3,F4,F5,F6,F7,F8,160,161,162,163,164,165,166,167,168,169,16A,16B,16C,16D,16E,16F,170,171,172,173,174,175,176,177,178,179,17A,17B,17C,17D,17E,17F,180,181,182,183,184,185,186,187,188,189,18A,18B,18C,18D,18E,18F,190,191,192,193,194,195,196,197,198,199,19A,19B,19C,19D,19E,19F,1A0,1A1,1A2,1A3,1A4,1A5,1A6,1A7,1A8,1A9,1AA,1AB,1AC,1AD,1AE,1AF,1B0,1B1,1B2,1B3,1B4,1B5,1B6,1B7,1B8,1B9,1BA,1C0,1C1,1C2,1C3,1D0,1D1,1D2,1D3,1D4,1D5,1D6,1D7,1D8,1D9,1DA,1DB,1DC,1DD,1DE,1DF,1E0,1E1,1E2,1E3,1E4,1F1,1F2,1F3,1F4,1F5,1F6,1F7,1F8,1F9,1FA,200,201,202,203,204,205,206,207,208,209,20A,20B,20C,20D,20E,20F,210,211,212,213,214,215,216,217,218,219,21A,21B,21C,21D,21E,230,240,241,242,243,244,245,246,250,251,260,261,262,263,264,265,ramlsfw"
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: No entry found from hwdb.
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: /usr/lib/udev/rules.d/60-input-id.rules:6 Failed to run builtin 'hwdb --subsystem=input --lookup-prefix=id-input:modalias:': No data available
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: /usr/lib/udev/rules.d/64-xorg-xkb.rules:6 Importing properties from '/etc/default/keyboard'
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: /usr/lib/udev/rules.d/65-libwacom.rules:20 Importing properties from results of builtin command 'hwdb --subsystem=input '--lookup-prefix=libwacom:name:test:''
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: hwdb modalias key: "input:b0000v0001p44FFe0000-e0,1,k71,72,73,74,75,76,77,78,79,7A,7B,7C,7D,7E,7F,80,81,82,83,84,85,86,87,88,89,8A,8B,8C,8D,8E,8F,90,91,92,93,94,95,96,97,98,99,9A,9B,9C,9D,9E,9F,A0,A1,A2,A3,A4,A5,A6,A7,A8,A9,AA,AB,AC,AD,AE,AF,B0,B1,B2,B3,B4,B5,B6,B7,B8,B9,BA,BB,BC,BD,BE,BF,C0,C1,C2,C8,C9,CA,CB,CC,CD,CE,CF,D0,D1,D2,D3,D4,D5,D6,D7,D8,D9,DA,DB,DC,DD,DE,DF,E0,E1,E2,E3,E4,E5,E6,E7,E8,E9,EA,EB,EC,ED,EE,EF,F0,F1,F2,F3,F4,F5,F6,F7,F8,160,161,162,163,164,165,166,167,168,169,16A,16B,16C,16D,16E,16F,170,171,172,173,174,175,176,177,178,179,17A,17B,17C,17D,17E,17F,180,181,182,183,184,185,186,187,188,189,18A,18B,18C,18D,18E,18F,190,191,192,193,194,195,196,197,198,199,19A,19B,19C,19D,19E,19F,1A0,1A1,1A2,1A3,1A4,1A5,1A6,1A7,1A8,1A9,1AA,1AB,1AC,1AD,1AE,1AF,1B0,1B1,1B2,1B3,1B4,1B5,1B6,1B7,1B8,1B9,1BA,1C0,1C1,1C2,1C3,1D0,1D1,1D2,1D3,1D4,1D5,1D6,1D7,1D8,1D9,1DA,1DB,1DC,1DD,1DE,1DF,1E0,1E1,1E2,1E3,1E4,1F1,1F2,1F3,1F4,1F5,1F6,1F7,1F8,1F9,1FA,200,201,202,203,204,205,206,207,208,209,20A,20B,20C,20D,20E,20F,210,211,212,213,214,215,216,217,218,219,21A,21B,21C,21D,21E,230,240,241,242,243,244,245,246,250,251,260,261,262,263,264,265,ramlsfw"
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: No entry found from hwdb.
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: /usr/lib/udev/rules.d/65-libwacom.rules:20 Failed to run builtin 'hwdb --subsystem=input '--lookup-prefix=libwacom:name:test:'': No data available
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: Setting permissions /dev/input/event20, uid=0, gid=995, mode=0660
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: Successfully created symlink '/dev/char/13:84' to '/dev/input/event20'
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: sd-device: Created db file '/run/udev/data/c13:84' for '/devices/virtual/input/input256/event20'
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: Device processed (SEQNUM=6767, ACTION=add)
Apr 09 11:28:38 nyarly systemd-logind[1062]: Watching system buttons on /dev/input/event20 (test)
Apr 09 11:28:38 nyarly (udev-worker)[14117]: event20: sd-device-monitor(worker): Passed 413 byte to netlink monitor.
Apr 09 11:28:38 nyarly systemd-udevd[378]: No events are queued, removing /run/udev/queue.
Apr 09 11:28:39 nyarly systemd-udevd[378]: event20: Device is queued (SEQNUM=6768, ACTION=remove)
Apr 09 11:28:39 nyarly systemd-udevd[378]: event20: Device ready for processing (SEQNUM=6768, ACTION=remove)
Apr 09 11:28:39 nyarly systemd-udevd[378]: event20: sd-device-monitor(manager): Passed 227 byte to netlink monitor.
Apr 09 11:28:39 nyarly (udev-worker)[14117]: event20: Processing device (SEQNUM=6768, ACTION=remove)
Apr 09 11:28:39 nyarly (udev-worker)[14117]: event20: Removing watch handle -1.
Apr 09 11:28:39 nyarly (udev-worker)[14117]: value '[dmi/id]sys_vendor' is 'System manufacturer'
Apr 09 11:28:39 nyarly (udev-worker)[14117]: value '[dmi/id]sys_vendor' is 'System manufacturer'
Apr 09 11:28:39 nyarly (udev-worker)[14117]: event20: Device processed (SEQNUM=6768, ACTION=remove)
Apr 09 11:28:39 nyarly (udev-worker)[14117]: event20: sd-device-monitor(worker): Passed 399 byte to netlink monitor.
Apr 09 11:28:39 nyarly systemd-udevd[378]: No events are queued, removing /run/udev/queue.
Apr 09 11:28:39 nyarly systemd-udevd[378]: input256: Device is queued (SEQNUM=6769, ACTION=remove)
Apr 09 11:28:39 nyarly systemd-udevd[378]: input256: Device ready for processing (SEQNUM=6769, ACTION=remove)
Apr 09 11:28:39 nyarly systemd-udevd[378]: input256: sd-device-monitor(manager): Passed 1499 byte to netlink monitor.
Apr 09 11:28:39 nyarly (udev-worker)[14117]: input256: Processing device (SEQNUM=6769, ACTION=remove)
Apr 09 11:28:39 nyarly (udev-worker)[14117]: value '[dmi/id]sys_vendor' is 'System manufacturer'
Apr 09 11:28:39 nyarly (udev-worker)[14117]: value '[dmi/id]sys_vendor' is 'System manufacturer'
Apr 09 11:28:39 nyarly (udev-worker)[14117]: input256: Device processed (SEQNUM=6769, ACTION=remove)
Apr 09 11:28:39 nyarly (udev-worker)[14117]: input256: sd-device-monitor(worker): Passed 1596 byte to netlink monitor.
Apr 09 11:28:39 nyarly systemd-udevd[378]: No events are queued, removing /run/udev/queue.
Apr 09 11:28:41 nyarly kwin_wayland[1611]: js: starting
Apr 09 11:28:41 nyarly kwin_wayland[1611]: js: starting
Apr 09 11:28:41 nyarly inputmangler[2212]: active Window is now  "org.kde.yakuake"  :  "- : sudo — Yakuake"
Apr 09 11:28:42 nyarly systemd-udevd[378]: Cleanup idle workers
Apr 09 11:28:42 nyarly systemd-udevd[378]: Worker [14117] exited.
Apr 09 11:28:46 nyarly systemd-udevd[378]: Cleanup idle workers

[yuwata]

I create a uinput device

How?

Note, after v257, I implemented --verbose option for udevadm test command, that produces more information why your rules applied or not applied to the device.
Also, I implemented --trace BOOL option for udevadm control that makes systemd-udevd produces the same verbose log to journal.
So, if you'd like, try the current git HEAD. That should be one of the easiest way to debug your rules.

[yuwata]

It is not necessary to install systemd from git HEAD. But, just build udevadm and run it in your build directory.

[kermitfrog]

I create a uinput device

How?

Here is a minimal example in rust:
uinput-test.zip

Note, after v257, I implemented --verbose option for udevadm test command, that produces more information why your rules applied or not applied to the device. Also, I implemented --trace BOOL option for udevadm control that makes systemd-udevd produces the same verbose log to journal. So, if you'd like, try the current git HEAD. That should be one of the easiest way to debug your rules.

Thanks :) - I tried that. The relevant lines should be:

event17: /etc/udev/rules.d/09-uinput.rules:2 Checking conditions for parent devices: ATTRS{idVendor}=="0001", ATTRS{idProduct}=="44ff"
event17: /etc/udev/rules.d/09-uinput.rules:2 No parent device passed parent conditions.
event17: /etc/udev/rules.d/09-uinput.rules:3 SUBSYSTEM=="input": String "input" matches "input": PASS
event17: /etc/udev/rules.d/09-uinput.rules:3 Checking conditions for parent devices: ATTRS{idVendor}=="0001"
event17: /etc/udev/rules.d/09-uinput.rules:3 No parent device passed parent conditions.
event17: /etc/udev/rules.d/09-uinput.rules:4 KERNEL=="uinput": String "event17" does not match "uinput": FAIL

For comparison, here is the entry in /proc/bus/input/devices:

I: Bus=0000 Vendor=0001 Product=44ff Version=0000
N: Name="test"
P: Phys=
S: Sysfs=/devices/virtual/input/input22
U: Uniq=
H: Handlers=sysrq rfkill kbd event17 
B: PROP=0
B: EV=3
B: KEY=3f0003007f 100007fffffff 7fe001fffff000f 7ffffffffffffff ffffffff00000000 0 1ffffffffffff07 ffffffffffffffff ffffffffffefffff fffffffffffffffe

The 3rd rule was wild guesswork anyway, but I don't see why the other 2 should fail.

[yuwata]

The --verbose option is not enough verbose,,, unfortunately.
I added more verbose messages in #37093. Please try the patch.

[yuwata]

Hmm? the device is a virtual input device... I guess the device and its parents do not have idVendor and idProduct attributes. They should be usb thing I guess, not for virtual devices.

[arvidjaar]

event17: /etc/udev/rules.d/09-uinput.rules:2 Checking conditions for parent devices

Educated guess is that ATTRS look as it says on parent devices while your idProduct and idVendor are set on the device itself. You did not show udevadm info output for the device so it is just a guess. udevadm info --attribute-walk would clarify it.

[kermitfrog]

I tried the patch. This is the new output:

event20: /etc/udev/rules.d/09-uinput.rules:2 Checking conditions for parent devices (including self): ATTRS{idVendor}=="0001", ATTRS{idProdu     ct}=="44ff"
event20: /etc/udev/rules.d/09-uinput.rules:2 ATTRS{idVendor}=="0001": Cannot read sysfs attribute: FAIL
input23: /etc/udev/rules.d/09-uinput.rules:2 ATTRS{idVendor}=="0001": Cannot read sysfs attribute: FAIL
event20: /etc/udev/rules.d/09-uinput.rules:2 No parent device passed parent conditions.
event20: /etc/udev/rules.d/09-uinput.rules:3 SUBSYSTEM=="input": String "input" matches "input": PASS
event20: /etc/udev/rules.d/09-uinput.rules:3 Checking conditions for parent devices (including self): ATTRS{idVendor}=="0001"
event20: /etc/udev/rules.d/09-uinput.rules:3 ATTRS{idVendor}=="0001": Cannot read sysfs attribute: FAIL
input23: /etc/udev/rules.d/09-uinput.rules:3 ATTRS{idVendor}=="0001": Cannot read sysfs attribute: FAIL
event20: /etc/udev/rules.d/09-uinput.rules:3 No parent device passed parent conditions.
event20: /etc/udev/rules.d/09-uinput.rules:4 KERNEL=="uinput": String "event20" does not match "uinput": FAIL

btw: I'm running udevadm as root to avoid permission related issues.

Hmm? the device is a virtual input device... I guess the device and its parents do not have idVendor and idProduct attributes. They should be usb thing I guess, not for virtual devices.

PCI uses this too, I think. But in any case...

event17: /etc/udev/rules.d/09-uinput.rules:2 Checking conditions for parent devices

Educated guess is that ATTRS look as it says on parent devices while your idProduct and idVendor are set on the device itself. You did not show udevadm info output for the device so it is just a guess. udevadm info --attribute-walk would clarify it.

This says:

  looking at device '/devices/virtual/input/input23/event20':
    KERNEL=="event20"
    SUBSYSTEM=="input"
    DRIVER==""
    ATTR{power/async}=="disabled"
    ATTR{power/control}=="auto"
    ATTR{power/runtime_active_kids}=="0"
    ATTR{power/runtime_active_time}=="0"
    ATTR{power/runtime_enabled}=="disabled"
    ATTR{power/runtime_status}=="unsupported"
    ATTR{power/runtime_suspended_time}=="0"
    ATTR{power/runtime_usage}=="0"

  looking at parent device '/devices/virtual/input/input23':
    KERNELS=="input23"
    SUBSYSTEMS=="input"
    DRIVERS==""
    ATTRS{capabilities/abs}=="0"
    ATTRS{capabilities/ev}=="3"
    ATTRS{capabilities/ff}=="0"
    ATTRS{capabilities/key}=="3f0003007f 100007fffffff 7fe001fffff000f 7ffffffffffffff ffffffff00000000 0 1ffffffffffff07 ffffffffffffffff fffff>
    ATTRS{capabilities/led}=="0"
    ATTRS{capabilities/msc}=="0"
    ATTRS{capabilities/rel}=="0"
    ATTRS{capabilities/snd}=="0"
    ATTRS{capabilities/sw}=="0"
    ATTRS{id/bustype}=="0000"
    ATTRS{id/product}=="44ff"
    ATTRS{id/vendor}=="0001"
    ATTRS{id/version}=="0000"
    ATTRS{inhibited}=="0"
    ATTRS{name}=="test"
    ATTRS{phys}==""
    ATTRS{power/async}=="disabled"
    ATTRS{power/control}=="auto"
    ATTRS{power/runtime_active_kids}=="0"
    ATTRS{power/runtime_active_time}=="0"
    ATTRS{power/runtime_enabled}=="disabled"
    ATTRS{power/runtime_status}=="unsupported"
    ATTRS{power/runtime_suspended_time}=="0"
    ATTRS{power/runtime_usage}=="0"
    ATTRS{properties}=="0"
    ATTRS{uniq}==""

This contains both product and vendor on the parent.

I absolutely need to remember that command - very useful when creating rules. It might also be a good idea to mention it directly in the Rules section of the man page.

One question: the format of the output differs a bit from what I see in rules files. Does this mean, I can write ATTRS{id/product}=="44ff" in a rule file?

[yuwata]

Yeah, id/vendor and friends need to be used.

[yuwata]

So, this is simply caused by using wrong parent attributes. Not our bug. Closing.
Thank you for testing '--verbose' option!