port-amd64/49981: usb devices not found on new supermicro server running netbsd-7

[waddell%caravaninfotech.com@localhost]

>Number:         49981
>Category:       port-amd64
>Synopsis:       usb devices not found on new supermicro server running netbsd-7
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    port-amd64-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Jun 16 23:05:00 +0000 2015
>Originator:     Harry Waddell
>Release:        netbsd-7
>Organization:
Caravan Electronic Publishing, LLC
>Environment:
NetBSD xen-10 7.0_BETA NetBSD 7.0_BETA (GENERIC.201506150850Z) amd64
>Description:
The new systems is a 

Base Board Information
        Manufacturer: Supermicro
        Product Name: X10DRC-LN4+
        Version: 1.01

The mouse and keyboard are discovered and attached on an netbsd-6 branch system, but fail on netbsd-7. I also tried disabling the xhci support in the bios, but this had no effect. This system has the emulated keyboard from IPMI and a physical keyboard attached and neither work under netbsd-7. The IMPI emulated mouse also doesn't appear to be connected.
 


>How-To-Repeat:
Boot a netbsd-7 kernel or boot a netbsd-7 install iso and no 
keyboard response after the kernel loads.
>Fix: