GNU bug report logs - #7348
23.2.50; Emacs crashes on fast window resize with scrollbars on under OSX

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Jan Djärv <jan.h.d <at> swipnet.se>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#7348: closed (23.2.50; Emacs crashes on fast window resize
 with scrollbars on under OSX)
Date: Tue, 08 Feb 2011 07:16:02 +0000

[Message part 1 (text/plain, inline)]

Your message dated Tue, 08 Feb 2011 08:23:51 +0100
with message-id <4D50EF87.4020506 <at> swipnet.se>
and subject line Re: bug#7348: 23.2.50; Emacs crashes on fast window resize with scrollbars on under OSX
has caused the GNU bug report #7348,
regarding 23.2.50; Emacs crashes on fast window resize with scrollbars on under OSX
to be marked as done.

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


-- 
7348: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=7348
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Jakub Turski <yacoob <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 23.2.50;
	Emacs crashes on fast window resize with scrollbars on under OSX
Date: Sat, 6 Nov 2010 21:20:03 +0000

Method to replicate:
1/ Compile recent OSX Emacs from 'emacs-23' branch
2/ Launch 'emacs -Q'
3/ Press: C-x 2
4/ Move your mouse to the corner of the frame, grab it, drag up,
rescaling the vertically to minimum size

Effect: Emacs crashes, if you resize it fast enough. If you resize it
slowly, it will survive. I've discovered it as I use SizeUp, program
that allows resizing OSX windows via keyboard shortcuts.

Looks like this particular problem is related to scrollbars. If I
disable scrollbars before resizing, this doesn't happen.

In GNU Emacs 23.2.50.1 (x86_64-apple-darwin10.4.0, NS apple-appkit-1038.32)
 of 2010-10-17 on imacoob.nerv.local
Windowing system distributor `Apple', version 10.3.1038
configured using `configure  '--prefix=/opt/local' '--with-ns'
'--without-x' '--without-dbus' 'CC=/usr/bin/gcc-4.2' 'CFLAGS=-O2 -arch
x86_64' 'LDFLAGS=-L/opt/local/lib -arch x86_64'
'CPPFLAGS=-I/opt/local/include''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: pl_PL.UTF-8
  value of $LC_CTYPE: pl_PL.UTF-8
  value of $LC_MESSAGES: C
  value of $LC_MONETARY: en_IE.utf-8
  value of $LC_NUMERIC: en_IE.utf-8
  value of $LC_TIME: en_IE.utf-8
  value of $LANG: en_IE.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
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
M-x b i g <backspace> <backspace> u g <tab> <tab> <backspace>
<backspace> <backspace> <backspace> <backspace> <backspace>
<backspace> <backspace> <backspace> <backspace> <backspace>
<backspace> <backspace> <backspace> <backspace> e m
a c s - <tab> C-w <M-backspace> r e p o r t <tab>
<return>

Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.
Making completion list...
call-interactively: Text is read-only
Making completion list...
kill-region: The mark is not set now, so there is no region

Load-path shadows:
None found.

Features:
(shadow sort mail-extr message ecomplete rfc822 mml mml-sec
password-cache mm-decode mm-bodies mm-encode mailcap mail-parse rfc2231
rfc2047 rfc2045 qp ietf-drums mailabbrev nnheader gnus-util netrc
time-date mm-util mail-prsvr gmm-utils wid-edit mailheader canlock sha1
hex-util hashcash mail-utils emacsbug help-mode view tooltip ediff-hook
vc-hooks lisp-float-type mwheel ns-win easymenu tool-bar dnd fontset
image fringe lisp-mode register page menu-bar rfn-eshadow timer select
scroll-bar mldrag mouse jit-lock font-lock syntax facemenu font-core
frame cham georgian utf-8-lang misc-lang vietnamese tibetan thai
tai-viet lao korean japanese hebrew greek romanian slovak czech european
ethiopic indian cyrillic chinese case-table epa-hook jka-cmpr-hook help
simple abbrev loaddefs button minibuffer faces cus-face files
text-properties overlay md5 base64 format env code-pages mule custom
widget hashtable-print-readable backquote make-network-process ns
multi-tty emacs)

[Message part 3 (message/rfc822, inline)]

From: Jan Djärv <jan.h.d <at> swipnet.se>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Jakub Turski <yacoob <at> gmail.com>, 7348-done <at> debbugs.gnu.org
Subject: Re: bug#7348: 23.2.50;
	Emacs crashes on fast window resize with scrollbars on under OSX
Date: Tue, 08 Feb 2011 08:23:51 +0100

Eli Zaretskii skrev 2011-02-08 05.57:
>> From: Jakub Turski<yacoob <at> gmail.com>
>> Date: Mon, 7 Feb 2011 17:26:41 +0000
>> Cc:
>>
>> This bug hasn't been fixed, has it?
>> Just wanted to see what are the chances of having this fixed in the
>> next release.
>
> I could try fixing it as discussed near the end of this thread, but do
> I have a reliable procedure for reproducing it?  Is the bug OSX
> specific, and if so, in what way (i.e. what OSX specific features
> trigger it)?

It is Nextstep-specific, easy to trigger.  I think most of the discussion in 
this bug is about something else, that comes from trying to reproduce it on a 
Gtk+-build.  The crash is Nextstep-specific and now fixed.

	Jan D.

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