Thank you! Will do. I really appreciate your looking into this and I was able to understand a bit more due to this conversation....

I compared the list of APDU exchanged in both cases. They are exactly the same except that in the failure case I see some extra APDUs:...

Log from when pkcs11-tool works: pkcs11-tool_works_log.txt...

Please provide 2 pcscd traces:...

The SCR 3310 works well. I've never had any noticeable issue while using it....

This log with the SCR 3310 contains the exact same error:...

I use the same card with the SCR3310v2 reader and it works without issue. The logs from it are attached....

So the problem is different....

Thank you @rousseau for the quick help! I've applied your patch and see that it removed the baudrate above 200,000 in the logs. The issue remains t...

Maybe it is a similar problem....