From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.bugs Subject: bug#19607: issue with Emacs 24.4.1 but not with 24.3.1 : changed on disk; really edit the buffer Date: Wed, 21 Jan 2015 18:20:27 -0800 Organization: UCLA Computer Science Department Message-ID: <54C05E6B.3070106@cs.ucla.edu> References: <54BE224E.80406@cs.ucla.edu> <54BEF122.60700@cs.ucla.edu> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1421893274 12813 80.91.229.3 (22 Jan 2015 02:21:14 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 22 Jan 2015 02:21:14 +0000 (UTC) Cc: 19607@debbugs.gnu.org To: Bertrand Brelier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Jan 22 03:21:14 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 1YE7OS-0000u7-Ig for geb-bug-gnu-emacs@m.gmane.org; Thu, 22 Jan 2015 03:21:12 +0100 Original-Received: from localhost ([::1]:50856 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YE7OR-00013G-97 for geb-bug-gnu-emacs@m.gmane.org; Wed, 21 Jan 2015 21:21:11 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:53418) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YE7ON-00013B-OP for bug-gnu-emacs@gnu.org; Wed, 21 Jan 2015 21:21:08 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YE7OI-0006Hl-Ex for bug-gnu-emacs@gnu.org; Wed, 21 Jan 2015 21:21:07 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:33510) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YE7OI-0006Hb-Bn for bug-gnu-emacs@gnu.org; Wed, 21 Jan 2015 21:21:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1YE7OI-0003za-2r for bug-gnu-emacs@gnu.org; Wed, 21 Jan 2015 21:21:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Paul Eggert Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 22 Jan 2015 02:21:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 19607 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 19607-submit@debbugs.gnu.org id=B19607.142189323715298 (code B ref 19607); Thu, 22 Jan 2015 02:21:02 +0000 Original-Received: (at 19607) by debbugs.gnu.org; 22 Jan 2015 02:20:37 +0000 Original-Received: from localhost ([127.0.0.1]:52202 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YE7Nt-0003yg-8D for submit@debbugs.gnu.org; Wed, 21 Jan 2015 21:20:37 -0500 Original-Received: from smtp.cs.ucla.edu ([131.179.128.62]:45743) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YE7Nq-0003yS-Ha for 19607@debbugs.gnu.org; Wed, 21 Jan 2015 21:20:35 -0500 Original-Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp.cs.ucla.edu (Postfix) with ESMTP id 87521A60026; Wed, 21 Jan 2015 18:20:28 -0800 (PST) X-Virus-Scanned: amavisd-new at smtp.cs.ucla.edu Original-Received: from smtp.cs.ucla.edu ([127.0.0.1]) by localhost (smtp.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8dD2BrZZCK0k; Wed, 21 Jan 2015 18:20:27 -0800 (PST) Original-Received: from [192.168.1.9] (pool-173-55-11-52.lsanca.fios.verizon.net [173.55.11.52]) by smtp.cs.ucla.edu (Postfix) with ESMTPSA id C3C71A60022; Wed, 21 Jan 2015 18:20:27 -0800 (PST) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 In-Reply-To: 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:98567 Archived-At: Sorry, I'm still having trouble seeing what the bug is. strace doesn't output full time stamps; it tells us their values only to the nearest second. Can you run Emacs under a debugger? Here's a recipe, if you have the time: $ wget ftp://ftp.gnu.org/gnu/emacs/emacs-24.4.tar.xz $ tar xf emacs-24.4.tar.xz $ cd emacs-24.4 $ ./configure CFLAGS='-g3 -O0' $ make $ cd src $ gdb emacs (gdb) source .gdbinit (gdb) b fileio.c:5338 (gdb) r [ Now edit the file in Emacs, until the breakpoint is hit. ] (gdb) p mtime (gdb) p b->modtime I just now tried all that and got: (gdb) p mtime $5 = { tv_sec = 1421893112, tv_nsec = 705816459 } (gdb) p b->modtime $6 = { tv_sec = 1421893112, tv_nsec = 705816459 } which is what I'd expect: the last-modified time of the file (mtime) equals the buffer's opinion of it (b->modtime). What do you get?