(II) config/udev: Adding input device Logitech USB Trackball (/dev/input/event4)
(**) Logitech USB Trackball: Applying InputClass "evdev pointer catchall"
(**) Logitech USB Trackball: always reports core events
(**) Logitech USB Trackball: Device: "/dev/input/event4"
(--) Logitech USB Trackball: Found 9 mouse buttons
(--) Logitech USB Trackball: Found relative axes
(--) Logitech USB Trackball: Found x and y relative axes
(II) Logitech USB Trackball: Configuring as mouse
(**) Logitech USB Trackball: YAxisMapping: buttons 4 and 5
(**) Logitech USB Trackball: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
(II) XINPUT: Adding extended input device "Logitech USB Trackball" (type: MOUSE)
(**) Logitech USB Trackball: (accel) keeping acceleration scheme 1
(**) Logitech USB Trackball: (accel) acceleration profile 0
(**) Logitech USB Trackball: (accel) acceleration factor: 2.000
(**) Logitech USB Trackball: (accel) acceleration threshold: 4
(II) Logitech USB Trackball: initialized for relative axes.
(II) config/udev: Adding input device Logitech USB Trackball (/dev/input/mouse0)
(II) No input driver/identifier specified (ignoring)