Latest kernel breaks scanner

[Hans Petter Selasky]

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?

--HPS