From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: martin rudalics Newsgroups: gmane.emacs.bugs Subject: bug#14630: 24.3.50; emacs_backtrace.txt Date: Tue, 18 Jun 2013 21:31:58 +0200 Message-ID: <51C0B5AE.90009@gmx.at> References: <978f5a3e-748a-4495-a974-f64d542b926d@default> <83y5a8snp6.fsf@gnu.org> <51C00A3C.7080704@gmx.at> <83fvwfs904.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1371583993 24568 80.91.229.3 (18 Jun 2013 19:33:13 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 18 Jun 2013 19:33:13 +0000 (UTC) Cc: lekktu@gmail.com, 14630@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Jun 18 21:33:10 2013 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 1Up1eO-0004oX-1w for geb-bug-gnu-emacs@m.gmane.org; Tue, 18 Jun 2013 21:33:08 +0200 Original-Received: from localhost ([::1]:52624 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Up1eN-00017t-Ls for geb-bug-gnu-emacs@m.gmane.org; Tue, 18 Jun 2013 15:33:07 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:38649) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Up1eJ-000159-N7 for bug-gnu-emacs@gnu.org; Tue, 18 Jun 2013 15:33:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Up1eI-00016N-7H for bug-gnu-emacs@gnu.org; Tue, 18 Jun 2013 15:33:03 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:59443) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Up1eI-00016J-4N for bug-gnu-emacs@gnu.org; Tue, 18 Jun 2013 15:33:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1Up1eH-0007iH-Pw for bug-gnu-emacs@gnu.org; Tue, 18 Jun 2013 15:33:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: martin rudalics Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 18 Jun 2013 19:33:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 14630 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 14630-submit@debbugs.gnu.org id=B14630.137158393929537 (code B ref 14630); Tue, 18 Jun 2013 19:33:01 +0000 Original-Received: (at 14630) by debbugs.gnu.org; 18 Jun 2013 19:32:19 +0000 Original-Received: from localhost ([127.0.0.1]:53758 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Up1da-0007gJ-4u for submit@debbugs.gnu.org; Tue, 18 Jun 2013 15:32:18 -0400 Original-Received: from mout.gmx.net ([212.227.15.15]:58084) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Up1dX-0007fz-Qu for 14630@debbugs.gnu.org; Tue, 18 Jun 2013 15:32:17 -0400 Original-Received: from mailout-de.gmx.net ([10.1.76.17]) by mrigmx.server.lan (mrigmx001) with ESMTP (Nemesis) id 0Ljwk3-1UIAim1kK1-00bqQd for <14630@debbugs.gnu.org>; Tue, 18 Jun 2013 21:32:09 +0200 Original-Received: (qmail invoked by alias); 18 Jun 2013 19:32:09 -0000 Original-Received: from 62-47-43-88.adsl.highway.telekom.at (EHLO [62.47.43.88]) [62.47.43.88] by mail.gmx.net (mp017) with SMTP; 18 Jun 2013 21:32:09 +0200 X-Authenticated: #14592706 X-Provags-ID: V01U2FsdGVkX18NJRlIrH8NNSIbj3MBoeJI2M2emowrKOMbnhzcdU Drvb5ZbKD9sFUY In-Reply-To: <83fvwfs904.fsf@gnu.org> X-Y-GMX-Trusted: 0 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:75307 Archived-At: > The backtraces reported by Drew consistently point to this line in > w32fns.c: > > form.rcArea.top += WINDOW_HEADER_LINE_HEIGHT (w); > > i.e. to whatever happens in the expansion of > WINDOW_HEADER_LINE_HEIGHT. But quite a lot can happen in this expansion. Can this fail in CURRENT_HEADER_LINE_HEIGHT? Drew - do you use header lines in the first place? > The XBUFFER part there was already handled > by the BUFFERP condition, so the only one remaining is XWINDOW. Which > is why I added WINDOWP. You mean FRAMEP? >> Maybe we should start replacing BUFFERP by BUFFER_LIVE_P. BUFFERP (like >> WINDOWP and FRAMEP) is IMHO harmful virtually everywhere. > > I didn't touch any BUFFERP or related macro in the last change. I know. I meant that instead of BUFFERP (w->contents) we could check BUFFER_LIVE_P (XBUFFER (w->contents)) there. martin