Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive: <http://sourceware.org/ml/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender: cygwin-owner AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
Delivered-To: mailing list cygwin AT cygwin DOT com
Date: Sun, 12 Jun 2005 11:30:15 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: SSH and session master multiplexing
Message-ID: <20050612093015.GE6568@calimero.vinschen.de>
Reply-To: cygwin AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
References: <d8fvrr$vcv$2 AT sea DOT gmane DOT org>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <d8fvrr$vcv$2@sea.gmane.org>
User-Agent: Mutt/1.4.2i

On Jun 12 10:37, ne wrote:
> Im having some issues with the latest version of OpenSSH released for cygwin
> (under WinXP SP2).
> 
> I am trying to connect to ssh.sf.net with a master connection that is
> shared. I am using:
> >ssh -vv -l user -M -S ~/.ssh/sf-mux ssh.sf.net
> To create the master, then:
> >ssh -l user-vv -S ~/.ssh/sf-mux ssh.sf.net
> 
> to create a client. I am using keys for the authentication, but have tried
> passwords too.
> 
> When I try to create a client, in the master session I get:
> 
> debug1: fd 8 clearing O_NONBLOCK
> debug2: client_process_control: accepted tty 1, subsys 0, cmd
> debug2: client_process_control: got fds stdin 4257601, stdout 4257601,
> stderr 4257601
> client_process_control: tcgetattr: Bad file descriptor
> fcntl(4257601, F_GETFL, 0): Bad file descriptor
> fcntl(4257601, F_GETFL, 0): Bad file descriptor
> fcntl(4257601, F_GETFL, 0): Bad file descriptor
> debug2: fd 8 setting O_NONBLOCK
> debug1: channel 1: new [client-session]
> debug2: channel 1: send open
> Segmentation fault (core dumped)

Ouch, yes, I see.  There's nothing right now I can do to change this.
Using a master/slave connection requires the ability to exchange file
descriptors over AF_UNIX sockets.  That's not possible in Cygwin.

So the only help I can give is, don't use master/slave connections on
Cygwin for now.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          mailto:cygwin AT cygwin DOT com
Red Hat, Inc.

--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/