On Nov 17 12:46, Zhu, Binbin (Nokia - CN/Hangzhou) wrote: > 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 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ failed attempt at descriptor passing
> 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? Are you really sure it ever worked? To the best of my knowledge the control master stuff always required descriptor passing via AF_LOCAL sockets, which is not available under Cygwin. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat
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