Ok, I backported a patch from netbsd and added my mouse to usbdevfs. It's now working. Find attached the patch. Direct link to it :
http://friendpaste.com/1Gv579D3tQ8fSZo9jqX0g7 hope it helps, -benoit [demime 1.01d removed an attachment of type application/octet-stream which had a name of arcmouse.diff]
