X-Recipient: archive-cygwin AT delorie DOT com DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:subject:date:message-id:content-type :content-transfer-encoding:mime-version; q=dns; s=default; b=icC X8ZM8eB2Y9qE+q/xEw2Oiv1vYGdyNGK7a+D/H3S4dTkaF08WZNJJraDiSgOD6Wsg ThwWrkdCr/pVFSO9W51D7tyLoMPBANKOqI+yFiVy/XcRqAnyxKnsyzEkraTSsLrz +bcbyE/2G7AxMONop5CcZtdYu/gg6jLX6ADVBAhE= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:subject:date:message-id:content-type :content-transfer-encoding:mime-version; s=default; bh=ZTMNq/9Eq coDM2KMmplG85Q7YPQ=; b=Y3hSBAzCKIMBUWhWxtI/pBzunaSyTKrWSG1erQqvw TYhGPKQ4Ka/9/H/ALXyAlaCIut9LpLgTAZWxRTneyObs/qFikIbT3vuNOCN3iABC GBVV/0xXVhTX/6dJo2p/ZqopAGJir3jBYMqkkD1IqKLJ8f0LKn+M10J9fjLTppv/ pY= Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-0.0 required=5.0 tests=BAYES_40,SPF_PASS autolearn=ham version=3.3.2 X-HELO: demumfd001.nsn-inter.net From: "Zhu, Binbin (Nokia - CN/Hangzhou)" To: "cygwin AT cygwin DOT com" Subject: ssh ControlMaster re-broken Date: Tue, 17 Nov 2015 12:46:25 +0000 Message-ID: <8ADFA0E0FC6B6F4A96E106C224E204F30EE3F631@SGSIMBX006.nsn-intra.net> Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 X-purgate-type: clean X-purgate-Ad: Categorized by eleven eXpurgate (R) http://www.eleven.de X-purgate: clean X-purgate: This mail is considered clean (visit http://www.eleven.de for further information) X-purgate-size: 1644 X-purgate-ID: 151667::1447764412-000027D6-C52698A7/0/0 Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by delorie.com id tAHCl8LR006135 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 -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple