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kern/49076: USB 3.0 devices are not attached to xhci hubs

>Number:         49076
>Category:       kern
>Synopsis:       USB 3.0 devices are not attached to xhci hubs
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Aug 05 21:20:00 +0000 2014
>Originator:     Ryo ONODERA
>Release:        NetBSD 6.99.49
System: NetBSD 6.99.49 NetBSD 6.99.49 (NOI915DRM) #0: 
Wed Aug 6 04:09:12 JST 2014
Architecture: x86_64
Machine: amd64
My machine (Lenovo ThinkStation E32) has ehci and xhci controller.
I have connected my USB 3.0 flash drive to USB 3.0 connector of
the machine, and it is recognized as a child of ehci.

My another machine (Apple MacBook Air early 2014 11-inch) has xhci only.
No USB device is recognized.
Enable xhci in kernel config file, and boot with it.
Connect USB 3.0 stick to USB 3.0 connector.
I have no idea.
Please fix this.


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