> I compiled NetBSD-current to my machine last night and plugged
> Logitech's mouse to my USB bus. This mouse looks like MouseMan+ but
> doesn't say it.. Model is M-BA47.

This sound like a problem with your USB controller:

> uhub0: device problem, disabling port 1

FWIW, this is from the machine I'm typing at (running -current):

uhci0 at pci0 dev 7 function 2: vendor 0x8086 product 0x7112 (rev. 0x01)
uhci0: interrupting at irq 10
usb0 at uhci0: USB revision 1.0
uhub0 at usb0
uhub0: vendor 0x8086 UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
...
uhidev0 at uhub0 port 1 configuration 1 interface 0
uhidev0: Logitech USB-PS/2 Mouse M-BA47, rev 1.00/1.20, addr 2, iclass 3/1
ums0 at uhidev0: 4 buttons and Z dir.
wsmouse0 at ums0 (mux ignored)

Martin