From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#22058: 25.1.50; emacs_backtrace.txt Date: Mon, 30 Nov 2015 19:48:42 +0200 Message-ID: <838u5fml8l.fsf@gnu.org> References: <2273d74b-f30c-4c39-97b5-6e10ecff581f@default> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1448905762 29599 80.91.229.3 (30 Nov 2015 17:49:22 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 30 Nov 2015 17:49:22 +0000 (UTC) Cc: jwiegley@gmail.com, 22058@debbugs.gnu.org To: Drew Adams Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Nov 30 18:49:12 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 1a3SZb-0007cU-0T for geb-bug-gnu-emacs@m.gmane.org; Mon, 30 Nov 2015 18:49:11 +0100 Original-Received: from localhost ([::1]:42514 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a3SZa-0007cX-Gl for geb-bug-gnu-emacs@m.gmane.org; Mon, 30 Nov 2015 12:49:10 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:37545) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a3SZX-0007cN-9q for bug-gnu-emacs@gnu.org; Mon, 30 Nov 2015 12:49:08 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1a3SZS-00036W-AF for bug-gnu-emacs@gnu.org; Mon, 30 Nov 2015 12:49:07 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:43425) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a3SZS-00036S-7L for bug-gnu-emacs@gnu.org; Mon, 30 Nov 2015 12:49:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1a3SZS-00072U-0k for bug-gnu-emacs@gnu.org; Mon, 30 Nov 2015 12:49:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 30 Nov 2015 17:49:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 22058 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 22058-submit@debbugs.gnu.org id=B22058.144890573227041 (code B ref 22058); Mon, 30 Nov 2015 17:49:01 +0000 Original-Received: (at 22058) by debbugs.gnu.org; 30 Nov 2015 17:48:52 +0000 Original-Received: from localhost ([127.0.0.1]:33133 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1a3SZH-000724-My for submit@debbugs.gnu.org; Mon, 30 Nov 2015 12:48:52 -0500 Original-Received: from mtaout22.012.net.il ([80.179.55.172]:46210) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1a3SZF-00071v-BJ for 22058@debbugs.gnu.org; Mon, 30 Nov 2015 12:48:50 -0500 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0NYN000002RJUD00@a-mtaout22.012.net.il> for 22058@debbugs.gnu.org; Mon, 30 Nov 2015 19:48:48 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([84.94.185.246]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NYN000Q82TA8HB0@a-mtaout22.012.net.il>; Mon, 30 Nov 2015 19:48:47 +0200 (IST) In-reply-to: <2273d74b-f30c-4c39-97b5-6e10ecff581f@default> X-012-Sender: halo1@inter.net.il 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: 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:109460 Archived-At: > Date: Mon, 30 Nov 2015 08:22:44 -0800 (PST) > From: Drew Adams > Cc: jwiegley@gmail.com, 22058@debbugs.gnu.org > > > A good rule of thumb is: if the backtrace includes this pair of lines: > > > > > Exception 0xc0000005 at this address: > > > 774374f6 > > > > and if the address starts with 7, then we will not be able to convert > > it to any meaningful address in the Emacs application code. (The > > exception code does not need to be 0xc0000005, although it usually > > is.) > > Excellent. Wish I'd have known that long ago. I didn't know that myself until a few of those were processed by Juanma. > How about mentioning this in (emacs) `Crashing'? It's not universal. The borderline value depends on the build. > Or perhaps the code that creates the emacs_backtrace.txt file could > just print a message in such a case, saying that no useful backtrace > file could be created? It doesn't know enough to do that. That code does the minimum necessary to display the addresses, to avoid the danger of triggering another exception.