From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Dmitry Antipov Newsgroups: gmane.emacs.bugs Subject: bug#13007: 24.3.50; emacs_backtrace.txt Date: Thu, 29 Nov 2012 21:23:37 +0400 Message-ID: <50B79A19.2050707@yandex.ru> References: <9FE4F131C0C94FC79470495A8506A387@us.oracle.com> <83k3t7xemd.fsf@gnu.org> <50B4EF28.6040905@yandex.ru> <834nkbx7if.fsf@gnu.org> <50B5BB01.2070304@yandex.ru> <50B63309.1070404@yandex.ru> <838v9lwqvn.fsf@gnu.org> <50B6FE89.20304@yandex.ru> <83txs8uzkc.fsf@gnu.org> 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 1354209860 22590 80.91.229.3 (29 Nov 2012 17:24:20 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 29 Nov 2012 17:24:20 +0000 (UTC) Cc: 13007@debbugs.gnu.org, lekktu@gmail.com To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Nov 29 18:24:30 2012 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 1Te7qf-0005EE-JY for geb-bug-gnu-emacs@m.gmane.org; Thu, 29 Nov 2012 18:24:29 +0100 Original-Received: from localhost ([::1]:55501 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Te7qU-0004N3-7n for geb-bug-gnu-emacs@m.gmane.org; Thu, 29 Nov 2012 12:24:18 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:42550) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Te7qM-0004LD-QR for bug-gnu-emacs@gnu.org; Thu, 29 Nov 2012 12:24:16 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Te7qD-0000pZ-AC for bug-gnu-emacs@gnu.org; Thu, 29 Nov 2012 12:24:10 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:35204) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Te7qD-0000pV-6e for bug-gnu-emacs@gnu.org; Thu, 29 Nov 2012 12:24:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1Te7s9-0005Cf-HQ for bug-gnu-emacs@gnu.org; Thu, 29 Nov 2012 12:26:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Dmitry Antipov Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 29 Nov 2012 17:26:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 13007 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 13007-submit@debbugs.gnu.org id=B13007.135420994919981 (code B ref 13007); Thu, 29 Nov 2012 17:26:01 +0000 Original-Received: (at 13007) by debbugs.gnu.org; 29 Nov 2012 17:25:49 +0000 Original-Received: from localhost ([127.0.0.1]:45455 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1Te7rx-0005CE-GN for submit@debbugs.gnu.org; Thu, 29 Nov 2012 12:25:49 -0500 Original-Received: from forward19.mail.yandex.net ([95.108.253.144]:33075) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1Te7rs-0005C2-Ow for 13007@debbugs.gnu.org; Thu, 29 Nov 2012 12:25:48 -0500 Original-Received: from smtp19.mail.yandex.net (smtp19.mail.yandex.net [95.108.252.19]) by forward19.mail.yandex.net (Yandex) with ESMTP id 7A4371121872; Thu, 29 Nov 2012 21:23:39 +0400 (MSK) Original-Received: from smtp19.mail.yandex.net (localhost [127.0.0.1]) by smtp19.mail.yandex.net (Yandex) with ESMTP id 2E5FEBE02D5; Thu, 29 Nov 2012 21:23:39 +0400 (MSK) Original-Received: from unknown (unknown [37.139.80.10]) by smtp19.mail.yandex.net (nwsmtp/Yandex) with ESMTP id Nb9CdwaJ-Nc9aJorn; Thu, 29 Nov 2012 21:23:38 +0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1354209819; bh=lyjQA2WUMwTktOq5yywQOR4llrXS9RpDQAJyd7EQ7SU=; h=Message-ID:Date:From:User-Agent:MIME-Version:To:CC:Subject: References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=XywjvQ6JOKxAvmPA5L8To65UicLURw4SwCBeSiQHoE/SD45C/OHiIKjU6G3RV9ncB 1uhiLmI2U95hQx5+74ieBcxzIdALJduAuGg4x5ZE/9FAOc1QpQFLcDt5L8M7JPgPWZ NQHsiWNZrehlq+Wf8qOFzKCDlNE2dzfshgwuX+DU= User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 In-Reply-To: <83txs8uzkc.fsf@gnu.org> 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.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:67588 Archived-At: On 11/29/2012 08:46 PM, Eli Zaretskii wrote: > For starters, can you tell what triggered the assertion violation in > Juanma's case? IOW, how did we wind up in a situation where (AFAIU) > the selected window displays a buffer other than the current one? IIUC, here is the sequence: Function set_window_buffer (W, B, ...) is called where W is selected_window and XBUFFER (B) != current_buffer. This function temporary sets current buffer to XBUFFER (B) to run hooks, and then restore old current_buffer [1]. So, on exit we have XBUFFER (XWINDOW (selected_window)->buffer) != current_buffer, and these gets _finally_ synchronized only when read_key_sequence is called with fix_current_buffer == true [2]. If redisplay is invoked between [1] and [2], its routines may see the condition which was eassert'ed; _finally_ means that some redisplay routines may do the synchronization temporary and then restore original value of current buffer (see pos_visible_p for example). Dmitry