ssh agent troubles

Christopher Browne cbbrowne-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org
Mon Mar 18 22:29:53 UTC 2013


I'm running into an odd situation where my shell loses connectivity to
ssh-agent.

I'll commonly set things up via:
% ssh-agent zsh
[which starts a fresh zsh, and all is good...]
% ssh-add -l
2048 d3:b8:ab:c1:a8:f8:03:a7:31:b7:ad:a2:40:ec:70:40 cbbrowne at cbbrowne (RSA)
2048 03:c3:e6:2e:1a:8c:08:9c:84:ab:3f:0a:d9:2d:9a:71 cbbrowne at cbbrowne (RSA)
2048 31:34:0f:bc:90:bf:1f:fd:4a:49:7f:ad:44:04:4c:62 cbbrowne at wolfe (RSA)

Lovely, I have some of my favorite ssh keys in place.

But a little bit of time passes, and, for inexplicable reason, ability
to connect
fails.  I find my ssh connection requests asking either for passwords
(for remote
hosts) or for the passphrase for the key.

%  ssh-add -l
Could not open a connection to your authentication agent.

I still have legitimate values for $SSH_AGENT_PID and $SSH_AUTH_SOCK, and if I
search for the PID, it's an agent that's still running.
% echo $SSH_AGENT_PID
2737
% ps auxww | egrep 2737 | grep agent
cbbrowne  2737  0.0  0.0  12392   772 ?        Ss   17:58   0:00 ssh-agent

Curiously, if I start another child shell, everything's fine again, for a little
while...
% ssh-agent zsh
[new shell]
% echo $SSH_AGENT_PID
2737

And I have intermittent success at using the agent, again.  Until it decides
to stop.  Quoi?!?!?
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