Comment 35 for bug 88746

Not much ideas, but some description of what the old_scheme_first thing is can be read here:
http://www.spinics.net/lists/usb/msg02644.html
Another (old) thread:
http://www.fedoraforum.org/forum/archive/index.php/t-30868.html

It seems strange that this might be an old bug that creeped back was not present in the previous Ubuntu version. (Or maybe an udev modfiication?)