> > As far as I can tell, CentOS 6.4 uses libusb 0.1.12, released in
> > August 2010.  This is over three years old!  A *lot* of bug fixes
> > and improvements happen in three years.
>
> Age has nothing to do with it.

So you're saying no useful work was done on libusb in three years?
Granted I haven't looked at the commit history but it seems a bit
unlikely.

> My suggestion would be to grab an old libusb1 RPM and rebuild it.
> It should be trivial and the result is installable alongside the
> old libusub.

I'm not sure how rebuilding a version of libusb that doesn't work will
help...

Cheers,
Adam.