usb/174695: usb keeps disconnecting mouse or keyboard

[FreeBSD Proponent]

>Number:         174695
>Category:       usb
>Synopsis:       usb keeps disconnecting mouse or keyboard
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-usb
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Dec 25 06:20:00 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator:     FreeBSD Proponent
>Release:        8.3 amd64
>Organization:
>Environment:
FreeBSD 8.3-RELEASE-p5 (GENERIC) #4: Sun Dec 16 22:44:22 CST 2012

xhci and ahci kernel modules (MB has USB2.0 and USB3.0)
>Description:
With or without HALD running, with dbus running, using a USB mouse or USB keyboard, the USB device persistently disconnects and reconnects about every minute.
>How-To-Repeat:

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: