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Subject: OpenSSH-2.2.9p2-1 sshd problem
References: <200105021507 DOT f42F7aP28921 AT rtl DOT cygnus DOT com>
From: ht AT cogsci DOT ed DOT ac DOT uk (Henry S. Thompson)
Date: 15 Oct 2001 18:37:43 +0100
In-Reply-To: Corinna Vinschen's message of "Wed, 2 May 2001 11:07:36 -0400"
Message-ID: <f5badysztw8.fsf@cogsci.ed.ac.uk>
Lines: 84
User-Agent: Gnus/5.0805 (Gnus v5.8.5) XEmacs/21.2(beta13) (Demeter)
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii

I've just upgraded to cygwin 1.3.3-2 (from -1) and to
OpenSSH-2.2.9p2-1 (from 2.9p2-3) and although ssh works fine, my sshd
(installed with cygrunsrv) no longer works.  Note I do _not_ use
ntsec, and I run with both 

  RSAAuthentication yes

and

  PasswordAuthentication yes

Changing those around sometimes yields a write failure, sorry I can't
reproduce just now to get the exact message.

Below are level 1 debug outputs when I run sshd from the command line
-- with level 0, I get

  ssh_exchange_identification: Connection closed by remote host

I'd be happy to provide any further debugging info which might help.

Thanks

ht

Server:

Accepted publickey for ht from 129.215.197.215 port 1658 ssh2
debug1: Entering interactive session for SSH2.
debug1: server_init_dispatch_20
debug1: server_input_channel_open: ctype session rchan 0 win 32768 max 16384
debug1: input_session_request
debug1: channel 0: new [server-session]
debug1: session_new: init
debug1: session_new: session 0
debug1: session_open: channel 0
debug1: session_open: session 0: link with channel 0
debug1: server_input_channel_open: confirm session
debug1: session_by_channel: session 0 channel 0
debug1: session_input_channel_req: session 0 channel 0 request pty-req reply 0
debug1: Allocating pty.
debug1: session_pty_req: session 0 alloc /dev/tty2
debug1: session_by_channel: session 0 channel 0
debug1: session_input_channel_req: session 0 channel 0 request shell reply 0
debug1: channel 0: rfd 7 isatty
debug1: fd 7 setting O_NONBLOCK
debug1: fd 3 setting O_NONBLOCK
debug1: Received SIGCHLD.
debug1: session_by_pid: pid 4944
debug1: session_exit_message: session 0 channel 0 pid 4944
debug1: session_exit_message: release channel 0
debug1: channel 0: write failed
debug1: channel 0: output open -> closed
debug1: channel 0: close_write
debug1: session_close: session 0 pid 4944
debug1: session_pty_cleanup: session 0 release /dev/tty2
syslogin_perform_logout: logout() returned an error
Read error from remote host: errno ESHUTDOWN triggered
debug1: Calling cleanup 0x421360(0x0)
debug1: channel_free: channel 0: server-session, nchannels 1
debug1: Calling cleanup 0x416a2c(0x0)

Client:

debug1: ssh-userauth2 successful: method publickey
debug1: channel 0: new [client-session]
debug1: send channel open 0
debug1: Entering interactive session.
debug1: ssh_session2_setup: id 0
debug1: channel request 0: shell
debug1: channel 0: open confirm rwindow 0 rmax 16384
debug1: channel_free: channel 0: client-session, nchannels 1
debug1: channel_free: channel 0: detaching channel user
Connection to calvin.cogsci.ed.ac.uk closed by remote host.
Connection to calvin.cogsci.ed.ac.uk closed.
debug1: Transferred: stdin 0, stdout 0, stderr 107 bytes in 0.6 seconds
debug1: Bytes per second: stdin 0.0, stdout 0.0, stderr 175.1
debug1: Exit status -1
-- 
  Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
          W3C Fellow 1999--2001, part-time member of W3C Team
     2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
	    Fax: (44) 131 650-4587, e-mail: ht AT cogsci DOT ed DOT ac DOT uk
		     URL: http://www.ltg.ed.ac.uk/~ht/

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