From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#10382: 24.0.92; gratuituous `file-supersession' error for `menu-bar-update-hook' Date: Mon, 16 Jan 2012 16:37:18 -0500 Message-ID: References: <5EC280AEE8324E4ABFCD26F416F0135D@us.oracle.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1326749900 5863 80.91.229.12 (16 Jan 2012 21:38:20 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Mon, 16 Jan 2012 21:38:20 +0000 (UTC) Cc: 10382@debbugs.gnu.org To: "Drew Adams" Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Jan 16 22:38:16 2012 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1RmuFr-0004xQ-Jr for geb-bug-gnu-emacs@m.gmane.org; Mon, 16 Jan 2012 22:38:15 +0100 Original-Received: from localhost ([::1]:37122 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RmuFr-0002Rv-50 for geb-bug-gnu-emacs@m.gmane.org; Mon, 16 Jan 2012 16:38:15 -0500 Original-Received: from eggs.gnu.org ([140.186.70.92]:54038) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RmuFo-0002Rk-5o for bug-gnu-emacs@gnu.org; Mon, 16 Jan 2012 16:38:13 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RmuFj-0006AK-5q for bug-gnu-emacs@gnu.org; Mon, 16 Jan 2012 16:38:12 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:37832) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RmuFj-0006AE-39 for bug-gnu-emacs@gnu.org; Mon, 16 Jan 2012 16:38:07 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1RmuGc-0001SE-DZ for bug-gnu-emacs@gnu.org; Mon, 16 Jan 2012 16:39:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 16 Jan 2012 21:39:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 10382 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 10382-submit@debbugs.gnu.org id=B10382.13267498985513 (code B ref 10382); Mon, 16 Jan 2012 21:39:02 +0000 Original-Received: (at 10382) by debbugs.gnu.org; 16 Jan 2012 21:38:18 +0000 Original-Received: from localhost ([127.0.0.1]:60738 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1RmuFu-0001Qs-1I for submit@debbugs.gnu.org; Mon, 16 Jan 2012 16:38:18 -0500 Original-Received: from chene.dit.umontreal.ca ([132.204.246.20]:33128) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1RmuFr-0001Qg-CF for 10382@debbugs.gnu.org; Mon, 16 Jan 2012 16:38:16 -0500 Original-Received: from faina.iro.umontreal.ca (lechon.iro.umontreal.ca [132.204.27.242]) by chene.dit.umontreal.ca (8.14.1/8.14.1) with ESMTP id q0GLbIGX001964; Mon, 16 Jan 2012 16:37:18 -0500 Original-Received: by faina.iro.umontreal.ca (Postfix, from userid 20848) id 3CC8413002A; Mon, 16 Jan 2012 16:37:18 -0500 (EST) In-Reply-To: (Drew Adams's message of "Mon, 16 Jan 2012 08:22:31 -0800") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.92 (gnu/linux) X-NAI-Spam-Flag: NO X-NAI-Spam-Threshold: 5 X-NAI-Spam-Score: 0 X-NAI-Spam-Rules: 1 Rules triggered RV4103=0 X-NAI-Spam-Version: 2.2.0.9309 : core <4103> : streams <720424> : uri <1048061> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) 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:55803 Archived-At: >> I think we'll need a backtrace at the time of the "really edit >> the buffer?" prompt in order to debug this. Tho, I suspect >> it won't be easy to get one since this is in the middle of >> menu-bar-update-hook, so redisplay might be inhibited. > Right. I don't know how to obtain that. Under POSIX, you could "kill -USR2 ". But maybe instead of C-g you could do (blindly) M-x debug RET. Not if that would work, but it's worth a try. > Perhaps it would be more helpful to take a look at recent changes to > the code. Perhaps the code which issues this "file supersession" > prompt (I've never seen that before) or the revert code. Dunno. Too many possible sources, and none of the "recent" changes jumps to mind. > And why I would be prompted at all when I use this no-confirmation command is > another question. (revert-buffer t t) should not be asking for confirmation. The prompt is not from revert-buffer but from some low-level code triggered by imenu code itself triggered by the menu-bar-update-hook. revert-buffer is only involved indirectly (it probably happens to put the buffer temporarily in a slightly different state that in turn triggers the problem). Stefan