I can get one controller working all fine. Plug in the second and I can either get 1 working on none depending what I edit.

I've tried adding the following to the /etc/rc.local file:

xboxdrv --trigger-as-button --id 0 --led 2 --detach-kernel-driver --deadzone 4000 --silent & sleep 1
xboxdrv --trigger-as-button --id 1 --led 3 --detach-kernel-driver --deadzone 4000 --silent & sleep 1

I get two controllers loaded. PiMame then tries to load xboxdrv again (I'm assuming another script holds the xboxdrv command somewhere) and then I get Error couldn't claim the USB interface: LIBUSB_ERROR_BUSY
Try to run 'rmmod xpad' and then xboxdrv again or start xboxdrv with the option --detach-kernel-driver.

First - where should I be configuring the controllers? Is rc.local the correct place?
Second - where is the xboxdrv loading from so I can stop it if not in the rc.local file?

Cheers
Bago