From owner-freebsd-hardware@freebsd.org  Thu Feb 15 08:13:04 2018
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Subject: Re: Dell R630 unable to detect USB, can't boot
To: Lee Brown <leeb@ratnaling.org>, freebsd-usb@freebsd.org,
 freebsd-hardware@freebsd.org
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From: Hans Petter Selasky <hps@selasky.org>
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Date: Thu, 15 Feb 2018 09:10:04 +0100
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On 02/15/18 06:24, Lee Brown wrote:
> I do find it curious that the loader is able to work the USB hardware but
> not the kernel.

The loader is using the BIOS's USB code. Usually there is a handover 
from BIOS to OS, maybe that's where it's broken.

--HPS