command "SCD SERIALNO openpgp" not answered correctly

[NIIBE Yutaka]

Matthias Apitz <guru at unixarea.de> wrote:
> On the old system where GnuPG is 2.2.12, the 'gpg2 --card-status' says:
>
> $ gpg2 --card-status
> Reader ...........: 04E6:5816:55511725600891:0
> Application ID ...: D27600012401020100050000532B0000
> Version ..........: 2.1
> Manufacturer .....: ZeitControl
> Serial number ....: 0000532B
> Name of cardholder: Matthias Apitz
> ...

Good.  You are using the internal CCID driver to access your card reader.

> But on the new system it does work correctly. Here are the details:
>
> $ uname -a
> FreeBSD c720-r357756 13.0-CURRENT FreeBSD 13.0-CURRENT #2 r357756: Tue Feb 11 18:52:09 CET 2020     guru at jet:/usr/obj/usr/src/amd64.amd64/sys/GENERIC  amd64
[...]
> What could be causing this?

Most likely, it is a problem of permission of your usb device.

Please check your /dev/usb/* (in your old system and in your new
system).
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