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: Eli Zaretskii <eliz <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#8020: closed (23.2.93; assertion failure on fast frame resize)
Date: Sun, 13 Feb 2011 18:48:01 +0000

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Your message dated Sun, 13 Feb 2011 20:56:26 +0200
with message-id <83tyg7pxut.fsf <at> gnu.org>
and subject line Re: bug#8020: 23.2.93; assertion failure on fast frame resize
has caused the GNU bug report #8020,
regarding 23.2.93; assertion failure on fast frame resize
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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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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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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