Problem with decrypting a mail with an openpgp card

[Michael Bienia]

On 2006-06-05 18:49:56 +0200, Michael Bienia wrote:
> Hello,
> 
> I've once again a problem with decrypting a mail with my openpgp card.
> The used subkey is my encryption key so it should work theoretically.
> The out of gnupg (with gnupg-agent) is:
> ,----
> | gpg: armor header: Version: GnuPG v1.4.1 (GNU/Linux)
> | gpg: public key is AF58F2B4
> | gpg: using subkey AF58F2B4 instead of primary key 968BD587
> | gpg: sending command `SCD PKDECRYPT' to agent failed: ec=6.131
> | gpg: using subkey AF58F2B4 instead of primary key 968BD587
> | gpg: encrypted with 1024-bit RSA key, ID AF58F2B4, created 2006-03-13
> |       "Michael Bienia <michael at vorlon.ping.de>"
> | gpg: public key decryption failed: general error
> | gpg: decryption failed: secret key not available
> `----
> 
> I can succesfully decrypt an other mail (from someone else) which is
> also encrypted to the same subkey (he also used gnupg 1.4.1).
> 
> gnupg and gnupg-agent are current versions from the svn (revision 4151).
> 
> Has someone an explanation?

Has really nobody an explanation for this?

Michael