new computer, strange usb messages at boot

[Larry Rosenman]

On 2016-02-21 07:43, Hans Petter Selasky wrote:
> On 02/21/16 14:33, Dimitry Andric wrote:
>> If you ask me, something is just seriously broken in the way the xhci
>> driver works on Haswell or higher Intel CPUs.  For example, on an
>> embedded Haswell box with USB3 ports:
> 
> Hi,
> 
> Nothing is seriously broken in the XHCI driver. Try to set:
> 
> hw.usb.xhci.xhci_port_route=0

Does this DISABLE USB3?
> 
> Which will route all devices to the EHCI, in your /boot/loader.conf
> 
> Does it make any difference?
> 
> Refer to the following print:
>> xhci0: Port routing mask set to 0xffffffff
> 
> The chipset you're using is special in that the binding of ports
> between XHCI and EHCI is not fixed. Maybe some combinations are simply
> not supported.
> 
> --HPS

Why is it "special"?  It seems it's the norm for haswell and newer (in 
my case Skylake).


-- 
Larry Rosenman                     http://www.lerctr.org/~ler
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