Same problem with
Lenovo keyboard and mouse combo (4X30H567)
lsusb:
Bus 002 Device 004: ID 17ef:609b Lenovo
The mouse works without issues but pressing any keys on keyboard will result in just
[ 1378.864283] input input12: event field not found
[ 1378.896265] input input12: event field not found
[ 1378.896270] input input12: event field not found
[ 1378.944333] input input12: event field not found
Same problem with
Lenovo keyboard and mouse combo (4X30H567)
lsusb:
Bus 002 Device 004: ID 17ef:609b Lenovo
The mouse works without issues but pressing any keys on keyboard will result in just
[ 1378.864283] input input12: event field not found
[ 1378.896265] input input12: event field not found
[ 1378.896270] input input12: event field not found
[ 1378.944333] input input12: event field not found