From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Michael Albinus Newsgroups: gmane.emacs.bugs Subject: bug#20246: 25.0.50; Tramp does not show correct error message when ssh refuses to connect to host due to changed host key Date: Fri, 10 Apr 2015 16:38:18 +0200 Message-ID: <87vbh4oxph.fsf@gmx.de> References: <87a8ypil28.fsf@gmx.de> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1428676770 28364 80.91.229.3 (10 Apr 2015 14:39:30 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 10 Apr 2015 14:39:30 +0000 (UTC) Cc: 20246@debbugs.gnu.org To: Filipp Gunbin Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Apr 10 16:39:17 2015 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1Yga5S-0005U1-SL for geb-bug-gnu-emacs@m.gmane.org; Fri, 10 Apr 2015 16:39:15 +0200 Original-Received: from localhost ([::1]:39737 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yga5S-0004Xs-5h for geb-bug-gnu-emacs@m.gmane.org; Fri, 10 Apr 2015 10:39:14 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:54488) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yga5M-0004UO-1Y for bug-gnu-emacs@gnu.org; Fri, 10 Apr 2015 10:39:08 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Yga5G-00063k-RS for bug-gnu-emacs@gnu.org; Fri, 10 Apr 2015 10:39:07 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:34514) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yga5G-00062w-P9 for bug-gnu-emacs@gnu.org; Fri, 10 Apr 2015 10:39:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1Yga5G-0000V7-6P for bug-gnu-emacs@gnu.org; Fri, 10 Apr 2015 10:39:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Michael Albinus Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 10 Apr 2015 14:39:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 20246 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 20246-submit@debbugs.gnu.org id=B20246.14286767101878 (code B ref 20246); Fri, 10 Apr 2015 14:39:02 +0000 Original-Received: (at 20246) by debbugs.gnu.org; 10 Apr 2015 14:38:30 +0000 Original-Received: from localhost ([127.0.0.1]:52523 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Yga4k-0000UE-48 for submit@debbugs.gnu.org; Fri, 10 Apr 2015 10:38:30 -0400 Original-Received: from mout.gmx.net ([212.227.17.22]:55506) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Yga4i-0000U1-0G for 20246@debbugs.gnu.org; Fri, 10 Apr 2015 10:38:28 -0400 Original-Received: from detlef.gmx.de ([87.146.46.100]) by mail.gmx.com (mrgmx103) with ESMTPSA (Nemesis) id 0MWTSA-1YvM2L3Uny-00XbyK; Fri, 10 Apr 2015 16:38:19 +0200 In-Reply-To: (Filipp Gunbin's message of "Thu, 09 Apr 2015 23:07:00 +0300") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) X-Provags-ID: V03:K0:hg758ssMKv3wmIxcDBeQCn44wXMMFvRPldK68ujifFVfa6UmuXF jgMM3umxkZ9Anf5vol8CVVKLfyEk9wMJlzPzcMJdCnaI5uMTO2Qh/gL63fYr3dCeqP2bbKH i1qVAIExCNCXqIuhZRPn1elfdaeIEu+scuqYZBUVNWExFbhfa+hnaE2jhjsGH4ZS6vem5+k MGaBltoBfsJjeSunh+Ikg== X-UI-Out-Filterresults: notjunk:1; X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:101386 Archived-At: Filipp Gunbin writes: Hi Filipp, > That's what I can reproduce now: > > - change host identity in ~/.ssh/known-host > - M-x tramp-cleanup-all-connections > - C-x 4 r /ssh:user@host:/file > > Now, Tramp shows correct error message from ssh. OK. > - now, quit it with C-] > - again C-x 4 r (as above) > > Now Tramp shows in the echo area: "/ssh:user@host:/file does not exist" > > This is the behavior which takes place if the above steps are done > rather quickly. "rather quickly" means within 10 seconds. This is the default value of `remote-file-name-inhibit-cache', the time Tramp keeps its cache for a given file. > If I take a pause before retrying to visit a file, ssh error message is > shown correctly. OK. > Maybe this is not the same problem I had originally, but that's what > I'm able to reproduce right now. Could you, please, apply the following patch: --8<---------------cut here---------------start------------->8--- *** /home/albinus/src/tramp/lisp/tramp.el.~master~ 2015-04-10 16:34:06.421074752 +0200 --- /home/albinus/src/tramp/lisp/tramp.el 2015-04-10 16:29:29.236143227 +0200 *************** *** 3558,3563 **** --- 3558,3565 ---- (tramp-message vec 6 "\n%s" (buffer-string))) (unless (eq exit 'ok) (tramp-clear-passwd vec) + (tramp-flush-directory-property vec "") + (tramp-flush-connection-property proc) (delete-process proc) (tramp-error-with-buffer (tramp-get-connection-buffer vec) vec 'file-error --8<---------------cut here---------------end--------------->8--- This changes the behaviour that Tramp doesn't keep its cache anymore, when there is an error during connection. Tramp reports that the file/directory doesn't exist, and Emacs falls back to its default behaviour, offering you a new empty buffer. This sounds consistent. > Filipp Best regards, Michael.