Latest kernel breaks scanner

[M. Warner Losh]

In message: <200903091233.55089.hselasky at c2i.net>
            Hans Petter Selasky <hselasky at c2i.net> writes:
: On Sunday 08 March 2009, Andrew Thompson wrote:
: > On Sun, Mar 08, 2009 at 03:43:53PM -0600, M. Warner Losh wrote:
: > > In message: <20090308203157.GC30672 at citylink.fud.org.nz>
: > >
: > >             Andrew Thompson <thompsa at FreeBSD.org> writes:
: > > : On Sun, Mar 08, 2009 at 01:06:59PM -0600, M. Warner Losh wrote:
: > > : > Sigh.  Had a working system from Mar 4th.  Upgraded now it doesn't
: > > : > work.  Scanner not found by xsane.
: > > :
: > > : Are you sure its not this?
: > > :
: > > : 20090227:
: > > :    The /dev handling for the new USB stack has changed, a
: > > :    buildworld/installworld is required for libusb20.
: > >
: > > Yes.  Been there, done that.  Also have the libmap.conf changes in
: > > place for old binaries that had worked for months before that.  xsane
: > > used to just work in this setup, but now fails.  Looks like some kind
: > > of mismatch in the ABI:
: > >
: > > found USB scanner (UNKNOWN vendor and product) at device /dev/uscanner0
: >
: > Not sure what would have caused that. Before you spend too much time on
: > this you may want to note that the integration patches for libusb into
: > the ports build will likely be committed tomorrow. This will bump the
: > port numbers so the affected ports rebuild, hopefully sane with DTRT
: > after that.
: >
: 
: Maybe you need to chown or rm /dev/uscanner0 to enforce use of libusb backend?

never had to do that before...

Warner