From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Michael Albinus Newsgroups: gmane.emacs.devel Subject: Re: tramp ControlMaster options Date: Mon, 20 Jul 2015 20:43:38 +0200 Message-ID: <871tg24qlh.fsf@gmx.de> References: <55AA4AF3.2030901@thregr.org> <87zj2rv16b.fsf@gmx.de> <871tg3z6we.fsf@gmail.com> <55ACAC48.1000600@thregr.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1437417842 12391 80.91.229.3 (20 Jul 2015 18:44:02 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 20 Jul 2015 18:44:02 +0000 (UTC) Cc: emacs-devel@gnu.org To: Yuri D'Elia Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Jul 20 20:43:52 2015 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1ZHG2Y-0007zW-MX for ged-emacs-devel@m.gmane.org; Mon, 20 Jul 2015 20:43:50 +0200 Original-Received: from localhost ([::1]:56843 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZHG2Y-0001K5-4L for ged-emacs-devel@m.gmane.org; Mon, 20 Jul 2015 14:43:50 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:41805) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZHG2U-0001Jz-Kh for emacs-devel@gnu.org; Mon, 20 Jul 2015 14:43:48 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZHG2Q-0008Ue-G3 for emacs-devel@gnu.org; Mon, 20 Jul 2015 14:43:46 -0400 Original-Received: from mout.gmx.net ([212.227.17.21]:52922) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZHG2Q-0008UT-4I for emacs-devel@gnu.org; Mon, 20 Jul 2015 14:43:42 -0400 Original-Received: from detlef.gmx.de ([87.146.43.154]) by mail.gmx.com (mrgmx101) with ESMTPSA (Nemesis) id 0LlYrb-1YhNWO1Pfz-00bHIa; Mon, 20 Jul 2015 20:43:39 +0200 In-Reply-To: <55ACAC48.1000600@thregr.org> (Yuri D'Elia's message of "Mon, 20 Jul 2015 10:07:36 +0200") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux) X-Provags-ID: V03:K0:ygIhXDE4jS/R90gXCRJPabE3LJs/OHsf8FmydK/JDEqLqG/Z/Dq nKMLg6jcwUQV3K+a+tEXVr8BqltOKEpZ5p2hW1qBgyn5k+3RFbbt86JkNUgLSpSpb1xVzph Rd/pdXonCF6Fgc2wzlRjAUsOPOHF+oikbxLV2gKwMWChGoKoyc++Uc+Br86ZIpn85h8m4mf 3dsA3sEOJQvScUIiiS+FQ== X-UI-Out-Filterresults: notjunk:1;V01:K0:smrCMuwZ0dc=:HInMy8ZwecUvPODSAlvR46 q6e5CyNlstGpG3qKVD6s73/YDIkBzY+nMojPQFWY59ey1LDjDrUWmGP8ER4F2L3t9C/5YOeuE t7bEAAF+X/XV/p9K8EHvqX4Zs0X7A5B0upYR0o73xEEvH/xuoJCxambcdQdp27TtYRshEymAR UElV2USO2ku5b8xl2x+x8sT7XheULIW5meML6gxjXL734FiWOOxik3QAetjJ6SKQ0icI5P2SE zQjeYZnrPgj3D0/tU39NV/lyoSXsSMKSAqaUa/w4i/LFPjDtUmoE3SswalTdQS7TYuK86iRkt PbXtTGfWDT/nxwDwsmnzveJNR0aYiuca4HOO0X8uHuIZ2A5wCSvWIY1BPKLgjjsd+PIpTfgtA FINa6M+Ep1aauJsrFxrd1WYh6Jf99lDvgEclxyVIMdUXQO2K+7CXqR8qqVrvHaHyFgGMnG1O/ CCDLx13u8L39RfR7a9ng7jsUf17S6Z09I/lEYSNnZ+g3cQRwkCiaRoP++fUE28acq2rlAoHqV 9EgYtpxnClpa43TU9jes3al2XlSAUJc6pp6OdHru820JRadzJDN9Np4tSEdiUOPE/LV/VW7ij 5mr9e8xfDif70vwhx8lQGTWBPSVEJmKoWByJabCtBfwzhC37+zJs4sXStxc7PdWA48RFK8RNK eToiNuEwLrmSh8B9InnIjswq0gfSECNzmhYGWFuGxjMw9h6Clz2a1J4IA5NauJyUDQBw= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 212.227.17.21 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:188018 Archived-At: Yuri D'Elia writes: >>> There is `tramp-use-ssh-controlmaster-options' which you could set to >>> nil after loading Tramp. >> >> Some people still have similar problem with helm, and I still don't know >> why tramp is involved at startup, very annoying. > > This is because the definition of `tramp-use-ssh-controlmaster-options' > itself probes ssh in a bad way. I don't know what you mean by this. This user option defaults simply to t, no further test. Likely you mean `tramp-ssh-controlmaster-options'. This is a variable, and it will be computed only when it is needed. No Tramp ssh connection, no probe of ssh for this. Which Emacs version are you using? > Any reason why we cannot use `ssh -o BatchMode=yes [various flags] > 0.0.0.0' instead of using a domain name? This would greatly reduce the > issue. The function (!) `tramp-ssh-controlmaster-options' uses "localhost" for test. This shall avoid DNS requests. Best regards, Michael.