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Re: SSH and session master multiplexing
- From: Corinna Vinschen <corinna-cygwin at cygwin dot com>
- To: cygwin at cygwin dot com
- Date: Sun, 12 Jun 2005 11:30:15 +0200
- Subject: Re: SSH and session master multiplexing
- References: <d8fvrr$vcv$2@sea.gmane.org>
- Reply-to: cygwin at cygwin dot com
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@cygwin.com
Red Hat, Inc.
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