Re: ssh-agent people (and others) please try latest snapshot

[David Rothenberger <daveroth at acm dot org>]

On 3/24/2005 6:11 AM, Corinna Vinschen wrote:
> On Mar 23 15:55, David Rothenberger wrote:
>
> > This snapshot is not working as well as the 20050322 snapshot for me. I 
> > start ssh-agent, add a key to it, and then run
> >
> >  while true; do date; ssh-add -l; done
> >
> > in four rxvt windows simultaneously. With the previous snapshot this 
> > worked fine. With this snapshot, the loops occasionally all hang up for 
> > a while and then several windows print
> >
> >  Error writing to authentication socket.
> >  Error writing to authentication socket.
> >  The agent has no identities.
>
>
> I could reproduce it and apparently the secret event handling isn't quite
> as safe under load as expected.  I reworked the whole secret handhake so
> that a AF_LOCAL/SOCK_STREAM session now always starts with a handshake on
> the socket itself, which exchanges the connect secret and the credentials
> and closes the connection if anything happens.  I've tested this solution
> under heavy load and it only breaks for me now, if the number of sockets
> in the TIME_WAIT state disallows any further connection to the running
> ssh-agent.  In this case you'll get a message:
>
>   Could not open a connection to your authentication agent.
>
> This is not a Cygwin problem or only in so far as Cygwin uses AF_INET
> sockets to implement AF_LOCAL sockets.  On my XP Pro system there's an
> upper bound of about 2000 connections in TIME_WAIT, when the above
> message shows up for the first time.
>
> Please test the next Cygwin snapshot again.

The latest snapshot is working well for me. Thanks!

--
David Rothenberger                spammer? -> spam@daveroth.dyndns.org
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