This is actually a problem in upstart. environ_valid() doesn't take into account that key names can have dots in them. However, this should just be a cosmetical problem, and not related to the mouse actually working (X.org talks directly to udev, not through upstart).
This is actually a problem in upstart. environ_valid() doesn't take into account that key names can have dots in them. However, this should just be a cosmetical problem, and not related to the mouse actually working (X.org talks directly to udev, not through upstart).