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From: Vladimir Grebenschikov <vova@fbsd.ru>
To: John Baldwin <jhb@freebsd.org>
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Organization: SWsoft
Date: Wed, 04 Feb 2009 17:45:21 +0300
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Sender: Vladimir Grebenschikov <vova@swsoft.com>
Cc: usb@freebsd.org, freebsd-current@freebsd.org,
	Hans Petter Selasky <hselasky@c2i.net>
Subject: Re: USB2 - umass problem
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On Wed, 2009-02-04 at 09:22 -0500, John Baldwin wrote:
> On Wednesday 04 February 2009 4:58:02 am Vladimir Grebenschikov wrote:
> > On Wed, 2009-02-04 at 10:44 +0100, Hans Petter Selasky wrote:
> > 
> > > > By some reason devfs semantic was changed:
> > > > Instead of /dev/cuaU0.[0-2] and /dev/ttyU0.[0-2], I've get
> > > > /dev/cuaU[0-2] /dev/ttyU[0-2] and! /dev/cuau1 /dev/ttyu1
> > > > What is reason for such change (additional port with lowercase 'u' and
> > > > U[0-2] instead of more logical U0.[0-2]) ?
> > > 
> > > It is because we are attaching drivers per interface instead of per 
> device. A 
> > > new modem unit is allocated every time we find a modem, simply put. If the 
> > > modem has multiple instances in an interface, /dev/cuaU0.[0...] will be 
> > > created. Else /dev/cuaU... .
> > 
> > What about /dev/cuau1 /dev/ttyu1 ?
> 
> You have a uart1 device.

Ahh, ok, now I understand, thanks.

-- 
Vladimir B. Grebenschikov
vova@fbsd.ru