ports/72380: USB does not work

[Norberto Garavelli]

>Number:         72380
>Category:       ports
>Synopsis:       USB does not work
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-ports-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Oct 06 12:30:26 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator:     Norberto Garavelli
>Release:        5.2.1
>Organization:
Private
>Environment:
FreeBSD cimarron.home.net 5.2.1-RELEASE FreeBSD 5.2.1-RELEASE #0: Tue Oct  5 21:16:31 CEST 2004     nolby at cimarron.home.net:/usr/src/sys/i386/compile/CIMARRON  i386

>Description:
      This is a dual Celeron 466 Abit bp6 motherboard macchine.
You can not use USB devices when booting whit two processors on.

dmesg:
usb0: <Intel 82371AB/EB (PIIX4) USB controller> on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered

But when attack a device:
uhub0: device problem, disabling port 2
>How-To-Repeat:
     Persistent problem. 
>Fix:
      Boot in safe mode or compiling a new kernel whitout a SMP option.
>Release-Note:
>Audit-Trail:
>Unformatted: