Hi, Could you try again with libssh 0.5.5 or 0.6rc and tell me if you can reproduce the problem ? This behaviour recalls me of a bug that has been fixed in 0.5.3, and would happen when you open multiple channels. Is it the case ?
Thanks, Aris Le 24/09/13 18:21, Pugnator a écrit : > I use libssh 0.5.2 binding for C under Linux. In my program I create SSH > tunnel to XenServer. It worked perfectly until I updated to the most > recent XenServer 6.2. After it ssh tunneling started failing with > > [1] Analyzing banner: SSH-2.0-OpenSSH_4.3 > [1] We are talking to an OpenSSH client version: 4.3 (40300) > [1] placing 18 bytes into channel buffer (stderr=0) > [1] Error : Channel opening failure: channel 44 error (2) Connection > refused > > On server side there is records in /var/log/secure: > > Sep 24 20:12:10 proxima sshd[20782]: pam_unix(sshd:session): session > opened for user root by (uid=0) > Sep 24 20:12:10 proxima sshd[20792]: Accepted password for root from > 10.250.144.221 port 55673 ssh2 > Sep 24 20:12:10 proxima sshd[20792]: pam_unix(sshd:session): session > opened for user root by (uid=0) > Sep 24 20:12:11 proxima sshd[16132]: channel_by_id: 0: bad id: channel free > Sep 24 20:12:11 proxima sshd[16132]: Disconnecting: Received ieof for > nonexistent channel 0. > Sep 24 20:12:11 proxima sshd[16132]: pam_unix(sshd:session): session > closed for user root > > > The most strange is the ssh server version is the same on old and new > servers: > OpenSSH_4.3p2, OpenSSL 0.9.8e-fips-rhel5 01 Jul 2008 > > I'm not sure how to debug such an issue. Sometimes tunnel establishes > and works but it is 1 out of 100 tries. >
