Smartcard not working with 64-bit version

Hello list!

Since I upgraded from Ubuntu Karmic, 32-bit to Ubuntu Lucid, 64-Bit, rdesktop 
fails to forward my smartcard.

Sadly, Ubuntu's rdesktop-Package does not have built-in Smartcard-Support [1] 
so I created my own package, which is available in my PPAs [2],[3].

This worked fine on 32-bit based Ubuntu Karmic but failed to work on 64-Bit 
Lucid. It took some time until I realized that this is caused by switching to 
64-Bit rather than a problem with Lucid. I did some testing and this are the 
results:

Ubuntu Karmic		32-Bit		WORKS
Ubuntu Karmic		64-Bit		DOES NOT WORK
Ubuntu Lucid		32-Bit		WORKS
Ubuntu Lucid		64-Bit		DOES NOT WORK
Gentoo Linux		32-Bit		WORKS

For me the results are clear, there is a problem with 64-Bit.

My solution to the problem is now the following:

1.) Install 32-bit rdesktop-Package from [3] on 64-Bit Lucid (--force-all)
2.) Install 32-bit Version of libpcsclite1 via getlibs [4] 

==> Now Smarcard is working again! So this is either a problem with 64-bit 
rdesktop or 64-bit pcsc-lite

I give some details about my setup:

* I am connecting to a 32-Bit Windows Server 2008 (Enterprise Edition)
* Smartcard is a "G&D StarSign USB Token für ELSTER” [5] (For German tax 
declarations), lsusb says "OmniKey AG CardMan Smart@Link"


Does anybody know why Smarcard-support is not working on 64-bit systems?

Fabian

[1] https://bugs.launchpad.net/ubuntu/+source/rdesktop/+bug/226885
[2] rdesktop with smartcard support for Ubuntu Karmic: 
https://launchpad.net/~maestro-alubia/+archive/ppa
[3] rdesktop with smartcard support for Ubuntu Lucid:
https://launchpad.net/~f-koester/+archive/ppa/
[4] http://ubuntuforums.org/showthread.php?t=474790
[5] https://www.sicherheitsstick.de/

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