On 10/09/16 14:15, George Mitchell wrote:
> I have an Acer Aspire E15, with one allegedly USB 3.0 capable port and
> a Western Digital USB 3.0 drive; but they don't talk to each other.
> After plugging it in, usbconfig shows that there is a:
> ugen0.2: <Elements 10B8 Western Digital> at usbus0, cfg=255 md=HOST
> spd=SUPER (5.0Gbps) pwr=ON (224mA)
> connected, but it does not attach to the umass driver.  I turned on
> all the USB debugging sysctls I could find, and here's the portion of
> the system log:  http://m5p.com/~george/10.1-RELEASE-p35-xhci-messages
> Have there been improvements in the xhci driver between 10.1 and 10.3
> that might relate to the problem?
> The drive works on the USB 2.0 ports, but of course much more slowly
> than I assume it would in USB 3.0 mode.
> I am not subscribed to the freebsd-usb list, so please cc me on your
> reply.                                                      -- George
I left out how the xhci interface itself shows up in usbconfig:

ugen0.1: <XHCI root HUB 0x1022> at usbus0, cfg=0 md=HOST spd=SUPER
(5.0Gbps) pwr=SAVE (0mA)

-- George
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