GNU bug report logs - #8020
23.2.93; assertion failure on fast frame resize

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
Subject: bug#8020: closed (Re: bug#8020: 23.2.93; assertion failure on
 fast frame resize)
Date: Sun, 13 Feb 2011 18:48:02 +0000

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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 <at> debbugs.gnu.org.

-- 
8020: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8020
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Eli Zaretskii <eliz <at> gnu.org>
To: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
Cc: 8020-done <at> debbugs.gnu.org
Subject: Re: bug#8020: 23.2.93; assertion failure on fast frame resize
Date: Sun, 13 Feb 2011 20:56:26 +0200

> Date: Sun, 13 Feb 2011 13:41:36 +0900
> From: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
> Cc: 8020 <at> debbugs.gnu.org
> 
> >>>>> On Sat, 12 Feb 2011 10:50:49 +0200, Eli Zaretskii <eliz <at> gnu.org> 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.

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From: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
To: bug-gnu-emacs <at> gnu.org
Subject: 23.2.93; assertion failure on fast frame resize
Date: Sat, 12 Feb 2011 11:30:28 +0900

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 <at> 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

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