From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Philippe Vaucher Newsgroups: gmane.emacs.bugs Subject: bug#19636: [TRAMP] global minor mode hangs connection when accessing files in :lighter Date: Tue, 20 Jan 2015 18:49:31 +0100 Message-ID: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary=047d7b41ce6a7560ec050d19116f X-Trace: ger.gmane.org 1421777833 8202 80.91.229.3 (20 Jan 2015 18:17:13 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 20 Jan 2015 18:17:13 +0000 (UTC) To: 19636@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Jan 20 19:17:12 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 1YDdMV-0001yd-Bq for geb-bug-gnu-emacs@m.gmane.org; Tue, 20 Jan 2015 19:17:11 +0100 Original-Received: from localhost ([::1]:45114 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YDdMU-00006U-Pc for geb-bug-gnu-emacs@m.gmane.org; Tue, 20 Jan 2015 13:17:10 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:34598) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YDdMP-0008VS-5K for bug-gnu-emacs@gnu.org; Tue, 20 Jan 2015 13:17:06 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YDdMO-00053W-0x for bug-gnu-emacs@gnu.org; Tue, 20 Jan 2015 13:17:05 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:60535) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YDdMN-00053S-Tw for bug-gnu-emacs@gnu.org; Tue, 20 Jan 2015 13:17:03 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1YDdMN-0001mP-Ls for bug-gnu-emacs@gnu.org; Tue, 20 Jan 2015 13:17:03 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Philippe Vaucher Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 20 Jan 2015 18:17:03 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 19636 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.14217777846749 (code B ref -1); Tue, 20 Jan 2015 18:17:03 +0000 Original-Received: (at submit) by debbugs.gnu.org; 20 Jan 2015 18:16:24 +0000 Original-Received: from localhost ([127.0.0.1]:50988 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YDdLj-0001km-AG for submit@debbugs.gnu.org; Tue, 20 Jan 2015 13:16:23 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:51764) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YDcwN-00015o-C4 for submit@debbugs.gnu.org; Tue, 20 Jan 2015 12:50:12 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YDcwH-0002rj-F7 for submit@debbugs.gnu.org; Tue, 20 Jan 2015 12:50:06 -0500 Original-Received: from lists.gnu.org ([2001:4830:134:3::11]:50704) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YDcwH-0002qG-5a for submit@debbugs.gnu.org; Tue, 20 Jan 2015 12:50:05 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:53481) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YDcwG-0008AG-4j for bug-gnu-emacs@gnu.org; Tue, 20 Jan 2015 12:50:05 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YDcwF-0002ko-28 for bug-gnu-emacs@gnu.org; Tue, 20 Jan 2015 12:50:04 -0500 Original-Received: from mail-oi0-x231.google.com ([2607:f8b0:4003:c06::231]:44925) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YDcwE-0002jq-U8 for bug-gnu-emacs@gnu.org; Tue, 20 Jan 2015 12:50:03 -0500 Original-Received: by mail-oi0-f49.google.com with SMTP id a3so9118182oib.8 for ; Tue, 20 Jan 2015 09:50:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to:content-type; bh=5yBdMxfa4Yk5VScBx7dwn/DHSAOffef5XE4plJbvp4c=; b=F/l3SSr67rv3CldR3MWIxZio/qTQCeGuflAj/YC2u+mQ7+re67X/qzMmlyOn0aU4w8 vYG/mBwakj/OJh5W51bD02bkIXCf35Lh3oFqXst7Z171QsBWKSTBjk8uZC3TXrCuaSJ8 hN+euuHmrkrxewDtQvJ7r2m728sR+iHQKzCHbmLn76vtoOvKiZi09zxBC9eylaEhxH5z dLQxI+P4RTTkOP/Jqr7pDOx8r/IZf5+uuIGqyP7mFmj9OqX0RcLI8usshKApo8P/w9KY SJaoSBKVdY3gbmKceA0ivLa0/mhDfMxBtm6intxG+n7LSrluH0IWU8DfuyMqJdICJ7Wo /EVg== X-Received: by 10.60.134.73 with SMTP id pi9mr22489281oeb.3.1421776201793; Tue, 20 Jan 2015 09:50:01 -0800 (PST) Original-Received: by 10.202.229.4 with HTTP; Tue, 20 Jan 2015 09:49:31 -0800 (PST) X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Mailman-Approved-At: Tue, 20 Jan 2015 13:16:21 -0500 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:98507 Archived-At: --047d7b41ce6a7560ec050d19116f Content-Type: text/plain; charset=UTF-8 Hello, TRAMP hangs the connection for any new processes in both emacs 24.4 and emacs from the master branch when a global minor mode uses a :lighter which evals `(file-truename default-directory)`. To reproduce: M-x find-file buggy-tramp-mode.el M-x eval-buffer M-x global-buggy-tramp-mode M-x find-file /scpx:user@host:/tmp/foo.txt M-x async-shell-command ls The last command (new process) doens't complete and the TRAMP buffer shows "Are you awake?". My understanding of the problem is that `file-truename` tries to use a not-yet-ready TRAMP connection. To work around that was tried is to use `tramp-connectable-p` or even `file-remote-p` with the appropriate flags, but they both (incorrectly?) return true. The "real world" issue that it affects is https://github.com/bbatsov/projectile/issues/523 Please ask if I'm unclear or you need more clarifications. Thanks, Philippe --047d7b41ce6a7560ec050d19116f Content-Type: text/x-emacs-lisp; charset=US-ASCII; name="buggy-tramp-mode.el" Content-Disposition: attachment; filename="buggy-tramp-mode.el" Content-Transfer-Encoding: base64 X-Attachment-Id: f_i55khdkw0 KHJlcXVpcmUgJ3RyYW1wKQoKKGRlZmN1c3RvbSBidWdneS10cmFtcC1tb2RlLWxpZ2h0ZXIKICAn KDpldmFsIChmb3JtYXQgIiBCVUdHWVslc10iIChpZiAob3IgKG5vdCAoZmlsZS1yZW1vdGUtcCBk ZWZhdWx0LWRpcmVjdG9yeSkpICh0cmFtcC1jb25uZWN0YWJsZS1wIGRlZmF1bHQtZGlyZWN0b3J5 KSkKICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAoZmlsZS10cnVlbmFtZSBkZWZh dWx0LWRpcmVjdG9yeSkKICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIjooIikpKQog ICJCdWdneSBleGFtcGxlLiIKICA6Z3JvdXAgJ2J1Z2d5LXRyYW1wLW1vZGUKICA6dHlwZSAnc2V4 cAogIDpyaXNreSB0KQoKOzsoc2V0cSBidWdneS10cmFtcC1tb2RlLWxpZ2h0ZXIgJyg6ZXZhbCAo Zm9ybWF0ICIgUHJvamVjdGlsZVslc10iIGRlZmF1bHQtZGlyZWN0b3J5KSkpCgooZGVmaW5lLW1p bm9yLW1vZGUgYnVnZ3ktdHJhbXAtbW9kZQogICJ0ZXN0IgogIDpsaWdodGVyIGJ1Z2d5LXRyYW1w LW1vZGUtbGlnaHRlcgogIDpncm91cCAnYnVnZ3ktdHJhbXAtbW9kZSkKCihkZWZpbmUtZ2xvYmFs aXplZC1taW5vci1tb2RlIGdsb2JhbC1idWdneS10cmFtcC1tb2RlCiAgYnVnZ3ktdHJhbXAtbW9k ZQogIGJ1Z2d5LXRyYW1wLW1vZGUpCg== --047d7b41ce6a7560ec050d19116f--