ssh-agent leaves stale directories named /tmp/ssh-xxxx that contain the named pipe for authentication. These left over directories come about when you log out or shut down the computer without stopping ssh-agent either by running keychain to shut it down or sending it a SIGHUP to exit and clean up.
Could ssh-agent catch the shutdown message and thus do the proper cleanup? What would that entail?
Jim
I noticed that in Karl's script to start keychain: http://sourceware.org/ml/cygwin/2004-03/msg00167.html that he removes any /tmp/ssh-* pre-existing and presumed stale directories left over by dead ssh-agent processes and this assumes that there is only one ssh-agent per machine. Not as good as actually getting rid of the source of the zombie directories.
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