Only one of two builtin USB hubs working with 4.x, both work with5.x

I have an IBM NetVista A40i, and with both FreeBSD 4.7, and 4.8 RC I can only use the first of the two builtin USB hubs. While with 5.0 they both work. I went back from 5.0 to 4.x because of the changes in the device driver handling (I use the 4Front sound drivers), and found that the USB ports on

Only one of two builtin USB hubs working with 4.x, both work with5.x

I have an IBM NetVista A40i, and with both FreeBSD 4.7, and 4.8 RC I can only use the first of the two builtin USB hubs. While with 5.0 they both work. I went back from 5.0 to 4.x because of the changes in the device driver handling (I use the 4Front sound drivers), and found that the USB ports