Werner Koch via BTS wrote:

I guess I should look at the freebsd driver. Any hint where to find
it in the freebsd svn?

Werner Koch via BTS wrote:

Pth bug? Please try again after putting debug-disable-ticker
into scdaemon.conf.

<snip>

indicates that you are using a real USB device. abort_cmd should
terminate with an error if used on a non-USB device.

Werner Koch via BTS wrote:

If that all does not help, a log file from gpg-agent would be useful.
Required options gpg-agent.conf are the log-file and "debug 1024".

Werner Koch via BTS wrote:

Are you sure that you are using the latest gpg-agent;

Werner Koch via BTS wrote:

However, I reverse engineered the protocol used by the Windows driver
and figured out how that driver does it. The SVN version has a hack
which basically works. I tested the 4040 and it works in most cases.
The hack is not 100% reliable but I was able to generate and use keys.