From unknown Sat Aug 16 18:47:38 2025 X-Loop: help-debbugs@gnu.org Subject: bug#8020: 23.2.93; assertion failure on fast frame resize Resent-From: YAMAMOTO Mitsuharu Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 12 Feb 2011 02:22:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 8020 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: 8020@debbugs.gnu.org X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Received: via spool by submit@debbugs.gnu.org id=B.12974773115222 (code B ref -1); Sat, 12 Feb 2011 02:22:02 +0000 Received: (at submit) by debbugs.gnu.org; 12 Feb 2011 02:21:51 +0000 Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Po57O-0001MB-Q0 for submit@debbugs.gnu.org; Fri, 11 Feb 2011 21:21:51 -0500 Received: from eggs.gnu.org ([140.186.70.92]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Po57M-0001Ly-14 for submit@debbugs.gnu.org; Fri, 11 Feb 2011 21:21:49 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Po5Fu-0003Gn-1V for submit@debbugs.gnu.org; Fri, 11 Feb 2011 21:30:39 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,T_RP_MATCHES_RCVD autolearn=unavailable version=3.3.1 Received: from lists.gnu.org ([199.232.76.165]:52740) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Po5Ft-0003GZ-Ob for submit@debbugs.gnu.org; Fri, 11 Feb 2011 21:30:37 -0500 Received: from [140.186.70.92] (port=34516 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Po5Fs-00035G-5a for bug-gnu-emacs@gnu.org; Fri, 11 Feb 2011 21:30:37 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Po5Fq-0003Eo-6y for bug-gnu-emacs@gnu.org; Fri, 11 Feb 2011 21:30:35 -0500 Received: from mathmail.math.s.chiba-u.ac.jp ([133.82.132.2]:60561) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Po5Fp-0003Cd-M8 for bug-gnu-emacs@gnu.org; Fri, 11 Feb 2011 21:30:34 -0500 Received: from church.math.s.chiba-u.ac.jp (church [133.82.132.36]) by mathmail.math.s.chiba-u.ac.jp (Postfix) with ESMTP id 26DFBC05ED for ; Sat, 12 Feb 2011 11:30:28 +0900 (JST) Date: Sat, 12 Feb 2011 11:30:28 +0900 Message-ID: From: YAMAMOTO Mitsuharu User-Agent: Wanderlust/2.14.0 (Africa) SEMI/1.14.6 (Maruoka) FLIM/1.14.8 (=?UTF-8?Q?Shij=C5=8D?=) APEL/10.6 Emacs/22.3 (sparc-sun-solaris2.8) MULE/5.0 (SAKAKI) Organization: Faculty of Science, Chiba University MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII X-detected-operating-system: by eggs.gnu.org: NetBSD 3.0 (DF) X-Received-From: 133.82.132.2 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 199.232.76.165 X-Spam-Score: -4.8 (----) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -4.8 (----) This is forked from Bug#7348, and some analysis can be found there. (http://debbugs.gnu.org/cgi/bugreport.cgi?bug=7348) Steps to reproduce: 1. Build emacs with --enable-checking 2. emacs -Q 3. C-x 2 4. Move your mouse to the corner of the frame, grab it, drag up, rescaling the vertically to minimum size Result: ../src/xdisp.c:11515: Emacs fatal error: assertion failed: BUFFERP(w->buffer) The value of w->buffer was nil when the assertion failure occurred. YAMAMOTO Mitsuharu mituharu@math.s.chiba-u.ac.jp In GNU Emacs 23.2.93.1 (x86_64-apple-darwin10.6.0, GTK+ Version 2.22.1) of 2011-02-09 on yamamoto-mitsuharu-no-iMac.local Windowing system distributor `The X.Org Foundation', version 11.0.10402000 configured using `configure '--enable-checking' 'LDFLAGS=-L/opt/local/lib' 'CPPFLAGS=-I/opt/local/include' 'CFLAGS=-g'' Important settings: value of $LC_ALL: nil value of $LC_COLLATE: nil value of $LC_CTYPE: nil value of $LC_MESSAGES: nil value of $LC_MONETARY: nil value of $LC_NUMERIC: nil value of $LC_TIME: nil value of $LANG: ja_JP.UTF-8 value of $XMODIFIERS: nil locale-coding-system: utf-8-unix default enable-multibyte-characters: t Major mode: Lisp Interaction Minor modes in effect: tooltip-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t auto-encryption-mode: t auto-compression-mode: t line-number-mode: t transient-mark-mode: t From unknown Sat Aug 16 18:47:38 2025 X-Loop: help-debbugs@gnu.org Subject: bug#8020: 23.2.93; assertion failure on fast frame resize Resent-From: Eli Zaretskii Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 12 Feb 2011 08:43:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 8020 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: YAMAMOTO Mitsuharu Cc: 8020@debbugs.gnu.org Reply-To: Eli Zaretskii Received: via spool by 8020-submit@debbugs.gnu.org id=B8020.12975001537951 (code B ref 8020); Sat, 12 Feb 2011 08:43:01 +0000 Received: (at 8020) by debbugs.gnu.org; 12 Feb 2011 08:42:33 +0000 Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PoB3o-00024C-MW for submit@debbugs.gnu.org; Sat, 12 Feb 2011 03:42:32 -0500 Received: from mtaout22.012.net.il ([80.179.55.172]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PoB3m-000240-89 for 8020@debbugs.gnu.org; Sat, 12 Feb 2011 03:42:31 -0500 Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0LGH00C00XKY7M00@a-mtaout22.012.net.il> for 8020@debbugs.gnu.org; Sat, 12 Feb 2011 10:50:30 +0200 (IST) Received: from HOME-C4E4A596F7 ([84.229.171.5]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0LGH00BDUXW4NFC0@a-mtaout22.012.net.il>; Sat, 12 Feb 2011 10:50:30 +0200 (IST) Date: Sat, 12 Feb 2011 10:50:49 +0200 From: Eli Zaretskii In-reply-to: X-012-Sender: halo1@inter.net.il Message-id: <837hd5r5zq.fsf@gnu.org> References: X-Spam-Score: -2.1 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -2.1 (--) > Date: Sat, 12 Feb 2011 11:30:28 +0900 > From: YAMAMOTO Mitsuharu > Cc: > > This is forked from Bug#7348, and some analysis can be found there. > (http://debbugs.gnu.org/cgi/bugreport.cgi?bug=7348) > > Steps to reproduce: > > 1. Build emacs with --enable-checking > 2. emacs -Q > 3. C-x 2 > 4. Move your mouse to the corner of the frame, grab it, drag up, > rescaling the vertically to minimum size > > Result: > > ../src/xdisp.c:11515: Emacs fatal error: assertion failed: BUFFERP(w->buffer) > > The value of w->buffer was nil when the assertion failure occurred. Please try the patch below, which is based on the discussions in bug #7348. The patch seems to solve the bug on MS-Windows. If it works for you on another platform, and doesn't cause problems elsewhere, I will install it on the emacs-23 branch. Thanks. --- src/xdisp.c.orig 2011-01-26 20:15:42.000000000 +0200 +++ src/xdisp.c 2011-02-12 10:48:56.296875000 +0200 @@ -11261,6 +11261,7 @@ int preserve_echo_area; { struct window *w = XWINDOW (selected_window); + struct window *sw; struct frame *f; int pause; int must_finish = 0; @@ -11331,6 +11332,9 @@ } retry: + /* Remember the currently selected window. */ + sw = w; + if (!EQ (old_frame, selected_frame) && FRAME_LIVE_P (XFRAME (old_frame))) /* When running redisplay, we play a bit fast-and-loose and allow e.g. @@ -11396,6 +11400,14 @@ /* Notice any pending interrupt request to change frame size. */ do_pending_window_change (1); + /* do_pending_window_change could change the selected_window due to + frame resizing which makes the selected window too small. */ + if (WINDOWP (selected_window) && (w = XWINDOW (selected_window)) != sw) + { + sw = w; + reconsider_clip_changes (w, current_buffer); + } + /* Clear frames marked as garbaged. */ if (frame_garbaged) clear_garbaged_frames (); @@ -11665,6 +11677,10 @@ if (!must_finish) { do_pending_window_change (1); + /* If selected_window changed, redisplay again. */ + if (WINDOWP (selected_window) + && (w = XWINDOW (selected_window)) != sw) + goto retry; /* We used to always goto end_of_redisplay here, but this isn't enough if we have a blinking cursor. */ @@ -11959,8 +11975,9 @@ do_pending_window_change (1); /* If we just did a pending size change, or have additional - visible frames, redisplay again. */ - if (windows_or_buffers_changed && !pause) + visible frames, or selected_window changed, redisplay again. */ + if ((windows_or_buffers_changed && !pause) + || (WINDOWP (selected_window) && (w = XWINDOW (selected_window)) != sw)) goto retry; /* Clear the face cache eventually. */ From debbugs-submit-bounces@debbugs.gnu.org Sat Feb 12 16:05:52 2011 Received: (at control) by debbugs.gnu.org; 12 Feb 2011 21:05:52 +0000 Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PoMfA-0002bg-1B for submit@debbugs.gnu.org; Sat, 12 Feb 2011 16:05:52 -0500 Received: from vm-emlprdomr-06.its.yale.edu ([130.132.50.147]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PoMf8-0002bV-Hi for control@debbugs.gnu.org; Sat, 12 Feb 2011 16:05:50 -0500 Received: from furball (c-71-192-165-84.hsd1.ct.comcast.net [71.192.165.84]) (authenticated bits=0) by vm-emlprdomr-06.its.yale.edu (8.14.4/8.14.4) with ESMTP id p1CLEhfZ029202 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Sat, 12 Feb 2011 16:14:43 -0500 Received: by furball (Postfix, from userid 1000) id 9FBC61605B7; Sat, 12 Feb 2011 16:14:41 -0500 (EST) From: Chong Yidong To: control@debbugs.gnu.org Subject: severity 8020 important Date: Sat, 12 Feb 2011 16:14:41 -0500 Message-ID: <87pqqxuf9a.fsf@stupidchicken.com> MIME-Version: 1.0 Content-Type: text/plain X-Scanned-By: MIMEDefang 2.71 on 130.132.50.147 X-Spam-Score: -2.7 (--) X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -2.7 (--) severity 8020 important thanks From unknown Sat Aug 16 18:47:38 2025 X-Loop: help-debbugs@gnu.org Subject: bug#8020: 23.2.93; assertion failure on fast frame resize Resent-From: YAMAMOTO Mitsuharu Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 13 Feb 2011 04:34:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 8020 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Eli Zaretskii Cc: 8020@debbugs.gnu.org Received: via spool by 8020-submit@debbugs.gnu.org id=B8020.129757158727163 (code B ref 8020); Sun, 13 Feb 2011 04:34:02 +0000 Received: (at 8020) by debbugs.gnu.org; 13 Feb 2011 04:33:07 +0000 Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PoTdy-000744-74 for submit@debbugs.gnu.org; Sat, 12 Feb 2011 23:33:06 -0500 Received: from mathmail.math.s.chiba-u.ac.jp ([133.82.132.2]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PoTdb-00073E-T2 for 8020@debbugs.gnu.org; Sat, 12 Feb 2011 23:33:05 -0500 Received: from church.math.s.chiba-u.ac.jp (church [133.82.132.36]) by mathmail.math.s.chiba-u.ac.jp (Postfix) with ESMTP id 6E57AC0557; Sun, 13 Feb 2011 13:41:36 +0900 (JST) Date: Sun, 13 Feb 2011 13:41:36 +0900 Message-ID: From: YAMAMOTO Mitsuharu In-Reply-To: <837hd5r5zq.fsf@gnu.org> References: <837hd5r5zq.fsf@gnu.org> User-Agent: Wanderlust/2.14.0 (Africa) SEMI/1.14.6 (Maruoka) FLIM/1.14.8 (=?UTF-8?Q?Shij=C5=8D?=) APEL/10.6 Emacs/22.3 (sparc-sun-solaris2.8) MULE/5.0 (SAKAKI) Organization: Faculty of Science, Chiba University MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII X-Spam-Score: -2.8 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -2.8 (--) >>>>> On Sat, 12 Feb 2011 10:50:49 +0200, Eli Zaretskii said: > Please try the patch below, which is based on the discussions in bug > #7348. The patch seems to solve the bug on MS-Windows. If it works > for you on another platform, and doesn't cause problems elsewhere, I > will install it on the emacs-23 branch. Yes, it also works for me with the GTK+ build on Mac OS X 10.6. Thanks. YAMAMOTO Mitsuharu mituharu@math.s.chiba-u.ac.jp From unknown Sat Aug 16 18:47:38 2025 MIME-Version: 1.0 X-Mailer: MIME-tools 5.427 (Entity 5.427) X-Loop: help-debbugs@gnu.org From: help-debbugs@gnu.org (GNU bug Tracking System) To: YAMAMOTO Mitsuharu Subject: bug#8020: closed (Re: bug#8020: 23.2.93; assertion failure on fast frame resize) Message-ID: References: <83tyg7pxut.fsf@gnu.org> X-Gnu-PR-Message: they-closed 8020 X-Gnu-PR-Package: emacs Reply-To: 8020@debbugs.gnu.org Date: Sun, 13 Feb 2011 18:48:02 +0000 Content-Type: multipart/mixed; boundary="----------=_1297622882-9586-1" This is a multi-part message in MIME format... ------------=_1297622882-9586-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Your bug report #8020: 23.2.93; assertion failure on fast frame resize which was filed against the emacs package, has been closed. The explanation is attached below, along with your original report. If you require more details, please reply to 8020@debbugs.gnu.org. --=20 8020: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D8020 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems ------------=_1297622882-9586-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at 8020-done) by debbugs.gnu.org; 13 Feb 2011 18:47:57 +0000 Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PogzF-0002UN-Be for submit@debbugs.gnu.org; Sun, 13 Feb 2011 13:47:57 -0500 Received: from mtaout22.012.net.il ([80.179.55.172]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1PogzC-0002U9-Gi for 8020-done@debbugs.gnu.org; Sun, 13 Feb 2011 13:47:55 -0500 Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0LGK00A00KKAWF00@a-mtaout22.012.net.il> for 8020-done@debbugs.gnu.org; Sun, 13 Feb 2011 20:56:28 +0200 (IST) Received: from HOME-C4E4A596F7 ([84.229.171.5]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0LGK00AK6KM2A460@a-mtaout22.012.net.il>; Sun, 13 Feb 2011 20:56:28 +0200 (IST) Date: Sun, 13 Feb 2011 20:56:26 +0200 From: Eli Zaretskii Subject: Re: bug#8020: 23.2.93; assertion failure on fast frame resize In-reply-to: X-012-Sender: halo1@inter.net.il To: YAMAMOTO Mitsuharu Message-id: <83tyg7pxut.fsf@gnu.org> References: <837hd5r5zq.fsf@gnu.org> X-Spam-Score: -2.0 (--) X-Debbugs-Envelope-To: 8020-done Cc: 8020-done@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Reply-To: Eli Zaretskii List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -2.0 (--) > Date: Sun, 13 Feb 2011 13:41:36 +0900 > From: YAMAMOTO Mitsuharu > Cc: 8020@debbugs.gnu.org > > >>>>> On Sat, 12 Feb 2011 10:50:49 +0200, Eli Zaretskii said: > > > Please try the patch below, which is based on the discussions in bug > > #7348. The patch seems to solve the bug on MS-Windows. If it works > > for you on another platform, and doesn't cause problems elsewhere, I > > will install it on the emacs-23 branch. > > Yes, it also works for me with the GTK+ build on Mac OS X 10.6. > Thanks. Thanks, installed on the emacs-23 branch. ------------=_1297622882-9586-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at submit) by debbugs.gnu.org; 12 Feb 2011 02:21:51 +0000 Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Po57O-0001MB-Q0 for submit@debbugs.gnu.org; Fri, 11 Feb 2011 21:21:51 -0500 Received: from eggs.gnu.org ([140.186.70.92]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Po57M-0001Ly-14 for submit@debbugs.gnu.org; Fri, 11 Feb 2011 21:21:49 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Po5Fu-0003Gn-1V for submit@debbugs.gnu.org; Fri, 11 Feb 2011 21:30:39 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,T_RP_MATCHES_RCVD autolearn=unavailable version=3.3.1 Received: from lists.gnu.org ([199.232.76.165]:52740) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Po5Ft-0003GZ-Ob for submit@debbugs.gnu.org; Fri, 11 Feb 2011 21:30:37 -0500 Received: from [140.186.70.92] (port=34516 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Po5Fs-00035G-5a for bug-gnu-emacs@gnu.org; Fri, 11 Feb 2011 21:30:37 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Po5Fq-0003Eo-6y for bug-gnu-emacs@gnu.org; Fri, 11 Feb 2011 21:30:35 -0500 Received: from mathmail.math.s.chiba-u.ac.jp ([133.82.132.2]:60561) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Po5Fp-0003Cd-M8 for bug-gnu-emacs@gnu.org; Fri, 11 Feb 2011 21:30:34 -0500 Received: from church.math.s.chiba-u.ac.jp (church [133.82.132.36]) by mathmail.math.s.chiba-u.ac.jp (Postfix) with ESMTP id 26DFBC05ED for ; Sat, 12 Feb 2011 11:30:28 +0900 (JST) Date: Sat, 12 Feb 2011 11:30:28 +0900 Message-ID: From: YAMAMOTO Mitsuharu To: bug-gnu-emacs@gnu.org Subject: 23.2.93; assertion failure on fast frame resize User-Agent: Wanderlust/2.14.0 (Africa) SEMI/1.14.6 (Maruoka) FLIM/1.14.8 (=?ISO-8859-4?Q?Shij=F2?=) APEL/10.6 Emacs/22.3 (sparc-sun-solaris2.8) MULE/5.0 (SAKAKI) Organization: Faculty of Science, Chiba University MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII X-detected-operating-system: by eggs.gnu.org: NetBSD 3.0 (DF) X-Received-From: 133.82.132.2 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 199.232.76.165 X-Spam-Score: -4.8 (----) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -4.8 (----) This is forked from Bug#7348, and some analysis can be found there. (http://debbugs.gnu.org/cgi/bugreport.cgi?bug=7348) Steps to reproduce: 1. Build emacs with --enable-checking 2. emacs -Q 3. C-x 2 4. Move your mouse to the corner of the frame, grab it, drag up, rescaling the vertically to minimum size Result: ../src/xdisp.c:11515: Emacs fatal error: assertion failed: BUFFERP(w->buffer) The value of w->buffer was nil when the assertion failure occurred. YAMAMOTO Mitsuharu mituharu@math.s.chiba-u.ac.jp In GNU Emacs 23.2.93.1 (x86_64-apple-darwin10.6.0, GTK+ Version 2.22.1) of 2011-02-09 on yamamoto-mitsuharu-no-iMac.local Windowing system distributor `The X.Org Foundation', version 11.0.10402000 configured using `configure '--enable-checking' 'LDFLAGS=-L/opt/local/lib' 'CPPFLAGS=-I/opt/local/include' 'CFLAGS=-g'' Important settings: value of $LC_ALL: nil value of $LC_COLLATE: nil value of $LC_CTYPE: nil value of $LC_MESSAGES: nil value of $LC_MONETARY: nil value of $LC_NUMERIC: nil value of $LC_TIME: nil value of $LANG: ja_JP.UTF-8 value of $XMODIFIERS: nil locale-coding-system: utf-8-unix default enable-multibyte-characters: t Major mode: Lisp Interaction Minor modes in effect: tooltip-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t auto-encryption-mode: t auto-compression-mode: t line-number-mode: t transient-mark-mode: t ------------=_1297622882-9586-1--