From owner-freebsd-current@freebsd.org Thu Aug 11 10:19:54 2016 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id BBEABBB0390; Thu, 11 Aug 2016 10:19:54 +0000 (UTC) (envelope-from peter@rulingia.com) Received: from vps.rulingia.com (vps.rulingia.com [103.243.244.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "rulingia.com", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 514F41F4E; Thu, 11 Aug 2016 10:19:53 +0000 (UTC) (envelope-from peter@rulingia.com) Received: from server.rulingia.com (ppp59-167-167-3.static.internode.on.net [59.167.167.3]) by vps.rulingia.com (8.15.2/8.15.2) with ESMTPS id u7BAJaxa081966 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 11 Aug 2016 20:19:43 +1000 (AEST) (envelope-from peter@rulingia.com) X-Bogosity: Ham, spamicity=0.000000 Received: from server.rulingia.com (localhost.rulingia.com [127.0.0.1]) by server.rulingia.com (8.15.2/8.15.2) with ESMTPS id u7BAJTKY055830 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Thu, 11 Aug 2016 20:19:29 +1000 (AEST) (envelope-from peter@server.rulingia.com) Received: (from peter@localhost) by server.rulingia.com (8.15.2/8.15.2/Submit) id u7BAJSeA055829; Thu, 11 Aug 2016 20:19:28 +1000 (AEST) (envelope-from peter) Date: Thu, 11 Aug 2016 20:19:28 +1000 From: Peter Jeremy To: john hood Cc: freebsd-ports@freebsd.org, freebsd-current@freebsd.org, mosh-devel@mit.edu Subject: Re: Mosh regression between 10.x and 11-stable Message-ID: <20160811101928.GC65184@server.rulingia.com> References: <20160810081831.GA65184@server.rulingia.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="IrhDeMKUP4DT/M7F" Content-Disposition: inline In-Reply-To: X-PGP-Key: http://www.rulingia.com/keys/peter.pgp User-Agent: Mutt/1.6.1 (2016-04-27) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Aug 2016 10:19:54 -0000 --IrhDeMKUP4DT/M7F Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2016-Aug-10 14:32:15 -0400, john hood wrote: >On 8/10/16 4:18 AM, Peter Jeremy wrote: >> I recently updated one of my VPS hosts from 10.3-RELEASE-p5 to 11.0-BETA4 >> r303811 and mosh to that host from my Linux laptop stopped working. All >> I get on the laptop is: >> $ mosh remotehost >> Connection to remotehost closed. >> /usr/bin/mosh: Did not find mosh server startup message. >> 1) the "MOSH CONNECT" message isn't making it out of the local ssh proce= ss. > >Do you know if the message is getting out of mosh-server? into sshd? >Do you know if mosh-server is actually running? (It will log utmp >entries on startup.) mosh-server is running - I can see it from another session and redirecting verbose output into a file, I get: ---- mosh-server (mosh 1.2.5) [build mosh 1.2.5] Copyright 2012 Keith Winstein License GPLv3+: GNU GPL version 3 or later . This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. [mosh-server detached, pid =3D 4202] Warning: termios IUTF8 flag not defined. Character-erase of multibyte character sequence probably does not work properly on this platform. ---- I can't tell if it's actually writing into the remote ssh process. >> 2) it's racy because I can get it from "always fails" to "sometimes work= s". > >How do you get it there? - Add '-v' to the local ssh command. - ktrace the remote mosh-server process (this seems to make it consistently= work). --=20 Peter Jeremy --IrhDeMKUP4DT/M7F Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQJ8BAEBCgBmBQJXrFEwXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRFRUIyOTg2QzMwNjcxRTc0RTY1QzIyN0Ux NkE1OTdBMEU0QTIwQjM0AAoJEBall6Dkogs0iXwP/3vXsKv8AfNOmkfLaFMk+u+F klqaGmXwUh8mbmWconCnfozYf0aiwIPNQI+L765P6MUSCIsebpPinwk76AGMfj0t FuuqTUXJmHmufso6A7FmiaVamUBX59zlxlnBniD9LF07bUaA6UGxhI4jjwulMx7W QIvflOhIPcAaRgq3j02olVFUsVf62or3Y83flqmzosutHZC2aeJCh3ojUmHWOyiu sumrukkzHy86dItPBx0x585RrsMr5qnyhzUhEWj/iqurm3JrWlql5dQbUg04yy9b ok7GPjVOOEH3jOSjg27BjIeNVnlKfMJIiOn9kp1PFlbEYaNr+SgiTQc16NbRR8RE h0yoR7zmKap+W+GYsYuEPGAj+e7HyZfAf77WfJREIkc9R0CaZF6MaEHJgYchIuhT CeWNEfgt0hazBdNe05SY1X3HhBUelh234PRdbIuXsfdShnOkn16j8QuyKVEbHKZP ppUQ2RdilBbevLmjsLQuGahSFIpJYoOcxAboN4/uNcHc+VkwUL04cGkAheFL+i4v hNQkeV7VQaZZpYrMJciQ95yUHsu3A4Nf7BFfIv35AnG21zVZ1/56R7Ljul7UBRx2 eYI5n6zn0QQcW83ss7WPd0c3/5BpPawF/5KlJq01OyfunA2+OsRCQOykwpmaxe1B zVpJz09SuL46ANstnuOm =EiH0 -----END PGP SIGNATURE----- --IrhDeMKUP4DT/M7F--