alan@intrepid:~$ xinput list-props "Synaptics Touchpad"
Device 'Synaptics Touchpad':
X Error of failed request: BadDevice, invalid or uninitialized input device
Major opcode of failed request: 146 (XInputExtension)
Minor opcode of failed request: 37 ()
Serial number of failed request: 13
Current serial number in output stream: 13
Attached xinput_list..
alan@intrepid:~$ xinput list-props "Synaptics Touchpad"
Device 'Synaptics Touchpad':
X Error of failed request: BadDevice, invalid or uninitialized input device
Major opcode of failed request: 146 (XInputExtension)
Minor opcode of failed request: 37 ()
Serial number of failed request: 13
Current serial number in output stream: 13