From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: martin rudalics Newsgroups: gmane.emacs.bugs Subject: bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs Date: Thu, 1 Apr 2021 09:14:06 +0200 Message-ID: <1f74fdb1-0171-3560-8771-32490323d8be@gmx.at> References: <87im5ofp3z.fsf@md5i.com> <83tuouknpb.fsf@gnu.org> <83sg4eknh5.fsf@gnu.org> <83r1jykmt0.fsf@gnu.org> <2d0dbdc8-3678-cd21-234a-9c63bb004629@gmx.at> <834kgrifrt.fsf@gnu.org> <106ce987-1a45-bbdf-3897-445baa99a476@gmx.at> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="34478"; mail-complaints-to="usenet@ciao.gmane.io" Cc: "mwd@md5i.com" , "schwab@linux-m68k.org" , "47244@debbugs.gnu.org" <47244@debbugs.gnu.org> To: Michael Welsh Duggan Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Apr 01 09:15:18 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lRrXx-0008rB-Px for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 01 Apr 2021 09:15:17 +0200 Original-Received: from localhost ([::1]:59184 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lRrXw-0000CI-QF for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 01 Apr 2021 03:15:16 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:50428) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lRrXj-0000B2-Fp for bug-gnu-emacs@gnu.org; Thu, 01 Apr 2021 03:15:04 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:44454) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lRrXi-0004P5-FG for bug-gnu-emacs@gnu.org; Thu, 01 Apr 2021 03:15:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1lRrXi-0006Nf-AK for bug-gnu-emacs@gnu.org; Thu, 01 Apr 2021 03:15:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: martin rudalics Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 01 Apr 2021 07:15:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 47244 X-GNU-PR-Package: emacs Original-Received: via spool by 47244-submit@debbugs.gnu.org id=B47244.161726126624465 (code B ref 47244); Thu, 01 Apr 2021 07:15:02 +0000 Original-Received: (at 47244) by debbugs.gnu.org; 1 Apr 2021 07:14:26 +0000 Original-Received: from localhost ([127.0.0.1]:56000 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lRrX7-0006MX-Rl for submit@debbugs.gnu.org; Thu, 01 Apr 2021 03:14:26 -0400 Original-Received: from mout.gmx.net ([212.227.17.20]:56553) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1lRrX5-0006MJ-Vl for 47244@debbugs.gnu.org; Thu, 01 Apr 2021 03:14:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1617261249; bh=8gMT61sRVlKgKtuGiviLWuOapwxsZALR6fO/P6oeXPc=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=CKUY6eZIftntP961pw/eR1jxwuB3JFlpueXYAvkgFbfrC9nfylyAndzr64iAOY/4X cm/R//xDgJb4t7qHyh6r7Sp2CtrrFfmBjC7eJL8lws5shhVMX7nWv74rl3kk0+yo7p rk5w5gTxftndh35nNn5uBM+O2Eb4FR0r/cqKY6Xs= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Original-Received: from [192.168.1.100] ([46.125.249.81]) by mail.gmx.net (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MWAOQ-1l8V2p1AQE-00XZ1x; Thu, 01 Apr 2021 09:14:09 +0200 In-Reply-To: Content-Language: en-US X-Provags-ID: V03:K1:IeEqt6eBf3OVZ6/bH19dy0XmCKORLM2hA5jWUw9r+wgRCwEDk5e FloHE5Nme6aJtQg77ZQO7WBOl03kRIslv+wBsrjuspBN9A9lu4bdQzjp7BT4NL5aeh5EDdX 71UxANIbN4OTtlxFdQewhV2/Y+Gux79HxNa4GOyiMIudWr8lvTaTiOX1vzuJQd5gHJpn8tS 8I3sNynCZiH7Ky/0/KXSg== X-UI-Out-Filterresults: notjunk:1;V03:K0:I8hu/xe2Gpc=:VqSYr1p2NPPbQvq9xQZJ+j vbjH0EP904HZFS9VcXOW1WPMU8/IGKFdVaHweA2V4Z2jqWcrm0PHEZ8sFy1ENLJFdCYg5SBXa OqlafKe60XIHV/WPQMu1MuBbGa9jffnfYqksnONUHYSjSGLi9OLxXdnNXAWFyn9qcwSLrx9kT nkX/7frgoxV1mtAp0dc9vWweGi3aWYkcE074cZMXTH3x6OIV0sYS7sUTeAeJXgNkwlKPNY9Zp fC8fh/VyjaaWx1aJzlcrg+L1DC1Vp5q3F2tlKY2R6UHPw6lKa/PIWEhYNYy4Gr+zgtAPwRm29 7gK4BgQagpwRTw2ZVeXRinZw9nVaGlC3h/7Kfn023Z1C+vVH3GOzK5kMlDEu9an2gJ35WBZh1 sKBVev1iVLDEkEWy27F4y+VRRriLYbgbPhV2IWE4okwhElcPJ76ZXHhKenq0MQk9y4JDluQQo eXSiGYDS56VxIefqQIZCkaxcb93AFAlkB6QEI/mu/rJc8jn7ZSixU32AMepJ9uhEqntTB2bL6 cnZ3lYtRvaMTxR5bg3YoG+BA5lVYTHRHo/XYR8qFVGf1EgyzZUDN1OWpx1Y98yzX601eaLwuY oG3jyx+T55Pp5VAors4MhC1DhaY8mG5SrEV4SBWETME5bjy5tAWGkaQFqOAg+QrItjpeSOK7L lA3HwtEibhFredrl9cYZ7IjlSclpUunMYYO4pKrFYALojM/saQ4WDoI8Vb0dgPxSZh4ycigtg 6hJbr42lQXABKuGH6sN6OOoQLTtMZAQyTIPAggTnR6fuL1xfelgUC9HFYBFJePofWq3WJrII X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:203404 Archived-At: >>> Does it start with emacs -Q? >> >> Nope. It fails. Strange. I have no problems running the changeset with ... GNU Emacs 28.0.50 (build 1, x86_64-pc-linux-gnu, X toolkit, cairo version 1.16.0, Xaw3d scroll bars) of 2021-04-01 built on restno Repository revision: b4a125e5ad1de3eb770dff12017f1e0658c4c6a2 Repository branch: master Windowing system distributor 'The X.Org Foundation', version 11.0.12004000 System Description: Debian GNU/Linux 10 (buster) Configured using: 'configure --with-gif=ifavailable --with-tiff=ifavailable --with-gnutls=no --without-pop --enable-gcc-warnings=warn-only --with-x-toolkit=lucid --enable-checking=yes --enable-check-lisp-object-type=yes 'CFLAGS=-O0 -g3 -no-pie'' Configured features: CAIRO DBUS FREETYPE GIF GLIB GSETTINGS HARFBUZZ JPEG LIBSELINUX MODULES NOTIFY INOTIFY PDUMPER PNG SOUND THREADS TOOLKIT_SCROLL_BARS X11 XAW3D XDBE XIM XPM LUCID ZLIB ... which is almost yours but for a few missing features. > Also verified that using with the previous changeset with > --enable-checking=yes still works. Which of the two additions is responsible? Try to remove or comment out either the two lines in buffer.c if (!b->base_buffer) eassert (b->window_count == 0); or all four lines containing replace_buffer_in_windows_safely_count in window.c, as there are static int replace_buffer_in_windows_safely_count; replace_buffer_in_windows_safely_count += 1; replace_buffer_in_windows_safely_count = 0; eassert (count == replace_buffer_in_windows_safely_count); Otherwise I'm clueless. Maybe Eli has an idea. martin