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Subject: Re: Diagnosing probable USB hardware failure
To: Phil Norman <philnorm@gmail.com>
Cc: usb@freebsd.org
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From: Hans Petter Selasky <hps@selasky.org>
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Date: Fri, 25 Jan 2019 11:20:19 +0100
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On 1/24/19 10:53 PM, Phil Norman wrote:
> I hadn't; thanks for that.
> 
> It certainly spams a lot. I've dumped /var/log/messages (since a recent
> reboot with the USB system going nuts) here:
> http://splodge.fluff.org/~phil/messages-2019-01-24.txt
> 

Hi,

Can you try these quirks in turn. Set them in /boot/loader.conf

hw.usb.xhci.ctlstep=1
hw.usb.xhci.dma32=1
hw.usb.xhci.use_polling=1
hw.usb.xhci.xhci_port_route=1

--HPS