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From: Hans Petter Selasky <hselasky@c2i.net>
To: freebsd-hackers@freebsd.org
Subject: Re: Questions about USB, uhid, ukbd and quirks
Date: Sat, 24 Nov 2012 13:17:00 +0100
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Cc: Niclas Zeising <zeising+freebsd@daemonic.se>
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On Saturday 24 November 2012 12:13:49 Hans Petter Selasky wrote:
> On Saturday 24 November 2012 00:00:44 Niclas Zeising wrote:
> > Hi!
> > I have a couple of questions about USB.
> > I recently bought a new USB keyboard, a Logitech K120.  When attaching
> > this to a FreeBSD system, however, it is detected as a hid device
> > (attaching to uhid) rather than a keyboard (attaching to ukbd).  The
> > keyboard works fine, but I'm just curious as to why it doesn't use ukbd.
> 
> > The output from usbconfig for this keyboard is:
> Hi,
> 
> It seems the UHID driver needs to be synced with UMS and UKBD regarding the
> detection logic. Can you try the attached patch and report back.
> 
> --HPS

One more thing to check:

/etc/devd/usb.conf

Is perhaps auto-loading uhid before ukbd, and that might also be part of the 
issue.

--HPS