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From: "Zhu, Binbin (Nokia - CN/Hangzhou)" <binbin.zhu@nokia.com>
To: "cygwin@cygwin.com" <cygwin@cygwin.com>
Subject: RE: ssh ControlMaster re-broken
Date: Wed, 18 Nov 2015 12:26:32 +0000
Message-ID: <8ADFA0E0FC6B6F4A96E106C224E204F30EE3F9E3@SGSIMBX006.nsn-intra.net>
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Hi,

Specifically, it worked in 
2.2.0(0.289/5/3) 2015-08-03 12:49 i686 Cygwin

But failed in 
2.2.0(0.289/5/3) 2015-08-03 12:49 i686 Cygwin

Both i686 and x86_64...

Br, Bin
LTE C-PLANE

-----Original Message-----
From: Zhu, Binbin (Nokia - CN/Hangzhou) 
Sent: Tuesday, November 17, 2015 8:46 PM
To: 'cygwin@cygwin.com' <cygwin@cygwin.com>
Subject: ssh ControlMaster re-broken

Hi,

It worked month ago, but it failed after reinstall.

1. Create shared session: ssh -vvv -nNf -o ControlMaster=yes -o ControlPath="$HOME/.ssh/ctl/%L-%r@%h:%p"  remote-host
Output in accepting new connection: 
$ debug1: multiplexing control connection
debug3: fd 5 is O_NONBLOCK
debug3: fd 5 is O_NONBLOCK
debug1: channel 1: new [mux-control]
debug3: channel_post_mux_listener: new mux channel 1 fd 5
debug3: mux_master_read_cb: channel 1: hello sent
debug3: mux_master_read_cb: channel 1 packet type 0x00000001 len 4
debug2: process_mux_master_hello: channel 1 slave version 4
debug3: mux_master_read_cb: channel 1 packet type 0x10000004 len 4
debug2: process_mux_alive_check: channel 1: alive check
debug3: mux_master_read_cb: channel 1 packet type 0x10000002 len 41
debug2: process_mux_new_session: channel 1: request tty 1, X 0, agent 0, subsys 0, term "xterm", cmd "", env 0
mm_receive_fd: no message header
process_mux_new_session: failed to receive fd 0 from slave

2. Client output:
$ ssh -vvv -o ControlPath="$HOME/.ssh/ctl/%L-%r@%h:%p" remote-host
OpenSSH_7.1p1, OpenSSL 1.0.2d 9 Jul 2015
debug2: fd 3 setting O_NONBLOCK
debug2: mux_client_hello_exchange: master version 4
debug3: mux_client_forwards: request forwardings: 0 local, 0 remote
debug3: mux_client_request_session: entering
debug3: mux_client_request_alive: entering
debug3: mux_client_request_alive: done pid = 10144
debug3: mux_client_request_session: session request sent
mux_client_request_session: read from master failed: Connection reset by peer
debug2: ssh_connect: needpriv 0

Could you help?

Br, Bin


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