The ghost driver for the mouse receiver of your Aten KVM is not supported by OpenBSD, if you want keep the the switch you have to go for a wired mouse.
-- Daniele Bonini Aug 14, 2023 19:39:52 Karel Lucas <cahlu...@planet.nl>: > HI all, > On a recent install of openBSD I can't get the mouse to work through my KVM > switch. I work with various computers via a KVM switch on 1 monitor with a > keyboard/mouse combination. Only on the PC with openBSD the mouse does not > work, the keyboard on the other hand works fine. Both are connected to the > KVM switch via USB, and the switch via USB to the computers. The brand of the > mouse is Logitech. Does anyone know why the mouse doesn't work, but the > keyboard does?