Hello,

I tried high-speed device (uftdi(4)) and full-speed device (umass(4)).

Device:
uhci0 at pci0 dev 29 function 0: Intel 82801DB USB UHCI Controller (rev. 0x01)
uhci0: interrupting at irq 11
usb0 at uhci0: USB revision 1.0
uhub0 at usb0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhci1 at pci0 dev 29 function 1: Intel 82801DB USB UHCI Controller (rev. 0x01)
uhci1: interrupting at irq 11
usb1 at uhci1: USB revision 1.0
uhub1 at usb1
uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
uhci2 at pci0 dev 29 function 2: Intel 82801DB USB UHCI Controller (rev. 0x01)
uhci2: interrupting at irq 11
usb2 at uhci2: USB revision 1.0
uhub2 at usb2
uhub2: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub2: 2 ports with 2 removable, self powered
ehci0 at pci0 dev 29 function 7: Intel 82801DB USB EHCI Controller (rev. 0x01)
ehci0: interrupting at irq 11
ehci0: BIOS has given up ownership
ehci0: EHCI version 1.0
ehci0: companion controllers, 2 ports each: uhci0 uhci1 uhci2
usb3 at ehci0: USB revision 2.0
uhub3 at usb3
uhub3: Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub3: 6 ports with 6 removable, self powered

At Tue, 20 Mar 2007 12:10:47 +0100,
Matthias Drochner wrote:
> juan@xtrarom.org said:
> > uhci0 at pci0 dev 29 function 0: Intel 82801GB/GR USB UHCI Controller 
> > [...]
> 
> As a temporary workaround, you could try the appended patch.

The patch does not work for me.

% ident /usr/src/sys/dev/usb/uhub.c
/usr/src/sys/dev/usb/uhub.c:
     $NetBSD: uhub.c,v 1.88 2007/03/19 14:02:56 drochner Exp $
     $FreeBSD: src/sys/dev/usb/uhub.c,v 1.18 1999/11/17 22:33:43 n_hibma Exp $
     $NetBSD: uhub.c,v 1.88 2007/03/19 14:02:56 drochner Exp $
% sha1 /usr/src/sys/dev/usb/uhub.c
SHA1 (/usr/src/sys/dev/usb/uhub.c) = 855df28b6d507bacaa8fe577e214350fc3889e62

best regards.
-- 
 Kouichirou Hiratsuka
   hira@po6.nsk.ne.jp