(II) The server relies on udev to provide the list of input devices.
If no devices become available, reconfigure udev or disable AutoAddDevices.
(WW) AllowEmptyInput is on, devices using drivers 'kbd', 'mouse' or 'vmmouse' will be disabled.
(WW) Disabling Configured Mouse
I appended the following in /etc/X11/ xorg.conf. ..
Section "InputDevice" meout" "300" # msec tton" "2"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
Option "Device" "/dev/input/mice"
Option "Protocol" "auto"
Option "Buttons" "5"
Option "ButtonMapping" "1 8 3 2 9"
Option "EmulateWheel" "true"
Option "EmulateWheelTi
Option "EmulateWheelBu
Option "YAxisMapping" "4 5"
Option "XAxisMapping" "6 7"
EndSection
...and now the X server logs:
(II) The server relies on udev to provide the list of input devices.
If no devices become available, reconfigure udev or disable AutoAddDevices.
(WW) AllowEmptyInput is on, devices using drivers 'kbd', 'mouse' or 'vmmouse' will be disabled.
(WW) Disabling Configured Mouse