Интересная штуку обнаружил недавно. Похоже это две боковые кнопки так распознаны
cat /var/log/Xorg.0.log|grep -i keyboard
[ 30.056] (**) PixArt A4Tech OpticalMouse Keyboard: Applying InputClass "evdev keyboard catchall"
[ 30.057] (**) PixArt A4Tech OpticalMouse Keyboard: Applying InputClass "libinput keyboard catchall"
[ 30.057] (**) PixArt A4Tech OpticalMouse Keyboard: Applying InputClass "keyboard"
[ 30.057] (II) Using input driver 'evdev' for 'PixArt A4Tech OpticalMouse Keyboard'
[ 30.057] (**) PixArt A4Tech OpticalMouse Keyboard: always reports core events
[ 30.057] (**) evdev: PixArt A4Tech OpticalMouse Keyboard: Device: "/dev/input/event4"
[ 30.057] (--) evdev: PixArt A4Tech OpticalMouse Keyboard: Vendor 0x9da Product 0x3519
[ 30.057] (--) evdev: PixArt A4Tech OpticalMouse Keyboard: Found keys
[ 30.057] (II) evdev: PixArt A4Tech OpticalMouse Keyboard: Configuring as keyboard
[ 30.057] (II) XINPUT: Adding extended input device "PixArt A4Tech OpticalMouse Keyboard" (type: KEYBOARD, id 9)
xinput --list
Virtual core keyboard |id=3|[master keyboard (2)]|
|---|---|---|
| ↳ PixArt A4Tech OpticalMouse Keyboard |id=9|[slave keyboard (3)]|
dmesg|grep -i a4tech
[ 3.470613] input: PixArt A4Tech OpticalMouse Keyboard as /devices/pci0000:00/0000:00:13.0/usb9/9-5/9-5:1.1/0003:09DA:3519.0002/input/input5
[ 3.522592] hid-generic 0003:09DA:3519.0002: input,hiddev96,hidraw1: USB HID v1.11 Keyboard [PixArt A4Tech OpticalMouse] on usb-0000:00:13.0-5/input1
[ 3043.776142] input: PixArt A4Tech OpticalMouse Keyboard as /devices/pci0000:00/0000:00:13.0/usb9/9-5/9-5:1.1/0003:09DA:3519.0004/input/input19
[ 3043.828275] hid-generic 0003:09DA:3519.0004: input,hiddev96,hidraw1: USB HID v1.11 Keyboard [PixArt A4Tech OpticalMouse] on usb-0000:00:13.0-5/input1
Как убрать эту фичу? Какое-нибудь правило udev?