From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Michael Albinus Newsgroups: gmane.emacs.bugs Subject: bug#28192: TRAMP: Sometimes hangs, sometimes not Date: Mon, 28 Aug 2017 10:20:22 +0200 Message-ID: <87tw0st86x.fsf@detlef> References: <51c5d038-63a4-3ca4-7314-5e8979fe50fd@Alexander.Shukaev.name> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1503908480 4428 195.159.176.226 (28 Aug 2017 08:21:20 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 28 Aug 2017 08:21:20 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux) Cc: 28192@debbugs.gnu.org To: Alexander Shukaev Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Aug 28 10:21:16 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dmFI8-0000Rt-IS for geb-bug-gnu-emacs@m.gmane.org; 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Mon, 28 Aug 2017 10:20:23 +0200 In-Reply-To: <51c5d038-63a4-3ca4-7314-5e8979fe50fd@Alexander.Shukaev.name> (Alexander Shukaev's message of "Wed, 23 Aug 2017 01:39:49 +0200") X-Provags-ID: V03:K0:C0fC3AypifpZ6gFdlPnOFsKkbkNUxDG1hYZfCNxLELOIBwiIg6F Bea76yBU22qqaPl4WvnzavWe75+5ixa90Udt23GxG3X9RYd6vsRiYp2WlN+PaE4QDh58TWV iA8I4TqcyyDVXoLM9Mo8e452G4xHZRKvb4KMPhe3zP1IAQa4yi35kRA7ZdM0paMzOCnMfp8 G4RWtL24/lS4AhfCVqkQQ== X-UI-Out-Filterresults: notjunk:1;V01:K0:MhRnKGJUAGE=:J4YRLmWYfbbesUwHD4ZfNP AjqMlAny5uX8W6st2aXvGdhoJYrszpUM3sygX/a9OPoSnsLF7J74m7yX7+lXgLJ6PBswQ+LIh XyptUi/O9ftsc1m1SkD0sf3KTfNLzohNboCDdNcipnMb4gTGQPrBKafxlAsqjojFh6q80AO8t zZ/sWkxfkLqP/p170kr2+QSp4sleNuzSN3QHb1YXhk08TcAKvg8yEduQMrWdPiOB9ksnhE8nu x54J/Amgx359zGsT5xjlemQZ3qX1p/jPqUZIryrlS/81QcszrQeDtMRFj1/4YDh+q6E8qUe+o lZXQxYLFsHiYVdGVPPQb/Q+BG0oumziwETW4QkrjvEDJ+shEb1on+5Jhzx+vKzTxzVWH659KA WgyK/OAOgnqU3KSyr5O8QRXgGhHjXbm1r0Z1fhu7n8Vdnrpmrz+yIJrGvWIp+GubF2hqsaTs5 h+tGtQ3zeChNQXm91WEDJvfS8I+rT2EHeWQmC2HPiuG2pXDVKdd9VYUAr98xIuy/pnnDdWYWP ry9COwfs/e9JnEjZo6noH8Zdb8NN+E+RIVnUiYTPIn/wUy+wl6k37qGZoYGAIfP4RfW93kz+n znt1XKeumtSrjSAVpNpvyV5zcUCjXMAkKCVBJxtlyZYPQLCuTTn14v445Q5fY4Tx3LxlOaXy3 CbfbrWC+BOAup599g5Hng89bxbfV/W//ZLm78u1AnKNXUYLEFYNJ9wI3nfFWF5tX0jgT50VzR 52CyAOg3N1/GOoy66tLpmiC7UEC7tk8FfDLv4UuvgtltOQ3YUE0whphk0IcC1HU9nMR5KOXN X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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" Xref: news.gmane.org gmane.emacs.bugs:136290 Archived-At: Alexander Shukaev writes: > Hi everyone and Michael, Hi Alexander, > I observe weird behavior with TRAMP. Sometimes it hangs, and > sometimes performing the same action, it does not. Let me expand with > the example. First see the attached backtrace of a hang ('hang.bt') > and then see the attached debug of a hang ('hang.debug'). Notice how > I waited for almost 3 minutes until eventually pressing to > generate the backtrace and as soon as I exited the backtrace buffer, > the last line > > 00:36:39.418776 tramp-maybe-open-connection (3) # Opening connection > for root@g75vw using sudo...failed > > got printed in the debug buffer. > > What looks peculiar is this bit: > > 00:32:56.556463 tramp-send-command (6) # test -d /usr/bin 2>/dev/null; > echo tramp_exit_status $? > 00:32:57.493123 tramp-send-command (6) # test -e /\*scratch\* > 2>/dev/null; echo tramp_exit_status $? > 00:32:57.567582 tramp-wait-for-regexp (6) # > tramp_exit_status 1 > ///deee5cb9d3522d2a1faeef9e0327d4f1#$ > 00:33:57.490307 tramp-send-command (6) # test -e /\*scratch\* > 2>/dev/null; echo tramp_exit_status $? > 00:33:57.491565 tramp-wait-for-regexp (6) # > tramp_exit_status 1 > ///deee5cb9d3522d2a1faeef9e0327d4f1#$ > > That is where did the status of '/usr/bin' test go? And why on earth > would '*scratch*' be tested? I verified and files like with > '*scratch*' names of course do not exist. It looks like TRAMP hangs > after these tests. There are even more dubious tests. See for example > 00:21:44.114726 tramp-send-command (6) # test -e /\>copy-region-as-kill 2>/dev/null; echo tramp_exit_status $? I doubt, that you have a file "/>copy-region-as-kill". > Phew... Any ideas where to start looking? Does the same problem happen if you start # emacs -Q --eval '(setq tramp-verbose 6)' > Regards, > Alexander Best regards, Michael.