gpg-agent and scdaemon confusion when card is removed

John Ruff jcruff at
Mon Oct 4 20:07:33 CEST 2010

On Oct 3, 2010, at 7:25 PM, Grant Olson wrote:

> On 10/3/2010 5:25 PM, Alphazo wrote:
>> gHowever for some reasons it
>> breaks when Crypto Stick is removed then inserted back. I no longer  
>> have
>> access to the card. I have to kill scdaemon in order to get access  
>> to the
>> card again.

I've been using the scd-event script found in the 'doc/examples'  
folders in the source distribution to activate & lock my screensaver  
when the card is pulled.  Logic exist in the script that would allow  
you to call 'gpgconf --reload scdaemon' or 'pkill -9 scdaemon' when  
the card is inserted.  You could play with this as a workaround.

This is only a workaround and not any official solution since the list  
message below confirms code as the real issue.

> This is apparently a known issue:
> 039505.html
> -- 
> Grant
> "Can you construct some sort of rudimentary lathe?"
> _______________________________________________
> Gnupg-users mailing list
> Gnupg-users at

Chris Ruff
jcruff at
GPG Key: 0xDD55B6FC
GPG Fgpr: CF61 AE7A C909 973D 6C21
           A8DA 9FF8 CA22 DD55 B6FC

"No one can see past a choice they don't understand." --The Oracle

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