USB2 - umass problem
Vladimir Grebenschikov
vova at fbsd.ru
Wed Feb 4 01:58:09 PST 2009
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 ?
--
Vladimir B. Grebenschikov
vova at fbsd.ru
More information about the freebsd-current
mailing list