GNU bug report logs - #24109
24.5; Long lines in message mode make Emacs irresponsive

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Christophe Troestler <Christophe.Troestler <at> umons.ac.be>
Subject: bug#24109: closed (Re: bug#24109: 24.5; Long lines in message
 mode make Emacs irresponsive)
Date: Sat, 08 Oct 2016 07:56:02 +0000

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

Your bug report

#24109: 24.5; Long lines in message mode make Emacs irresponsive

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 24109 <at> debbugs.gnu.org.

-- 
24109: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=24109
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Eli Zaretskii <eliz <at> gnu.org>
To: wavexx <at> thregr.org
Cc: 24109-done <at> debbugs.gnu.org, Christophe.Troestler <at> umons.ac.be,
 djcb <at> djcbsoftware.nl
Subject: Re: bug#24109: 24.5;
 Long lines in message mode make Emacs irresponsive
Date: Sat, 08 Oct 2016 10:55:13 +0300

> Date: Sun, 02 Oct 2016 10:09:53 +0300
> From: Eli Zaretskii <eliz <at> gnu.org>
> Cc: 24109 <at> debbugs.gnu.org, djcb <at> djcbsoftware.nl,
> 	Christophe.Troestler <at> umons.ac.be
> 
> > From: Yuri D'Elia <wavexx <at> thregr.org>
> > Cc: 24109 <at> debbugs.gnu.org, djcb <at> djcbsoftware.nl, Christophe.Troestler <at> umons.ac.be
> > Date: Sat, 01 Oct 2016 20:25:57 +0200
> > 
> > Ok, after some testing, I was able to get a self-contained test case.
> > I was successfully able to test this into the current git's master with
> > emacs -q, built with lucid as the main toolkit.
> > 
> > Please load-file the attached sample. It will create a *test* buffer,
> > using a quoted representation of (buffer-substring) which is sufficient
> > to recreate the problem.
> > 
> > It will move the point to the beginning of the last line, as well as
> > switching on truncate-lines. Having the point on the beginning of the
> > line is important.
> > 
> > Switch to the *test* buffer and move up. It will hang at the "Luciaine"
> > line. I'm also attaching a screenshot of my current window state.
> > 
> > If you toggle auto-hscroll-mode instead, before scrolling, you'll see
> > how the cursor disappears instead when exactly at the beginning of the
> > line.
> 
> Thanks, I will look into this soon.

Tis is now fixed on the emacs-25 branch.

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

From: Christophe Troestler <Christophe.Troestler <at> umons.ac.be>
To: <bug-gnu-emacs <at> gnu.org>
Subject: 24.5; Long lines in message mode make Emacs irresponsive
Date: Fri, 29 Jul 2016 12:36:46 +0100

I am using mu4e <https://github.com/djcb/mu/> to read my mail and a spam 
mail with a very long subject line seems to trigger a bug in Emacs.  You 
can see the details (including a backtrace) at 
https://github.com/djcb/mu/issues/880




In GNU Emacs 24.5.1 (x86_64-pc-linux-gnu, GTK+ Version 3.18.9)
of 2016-04-08 on binet, modified by Debian
Windowing system distributor `The X.Org Foundation', version 
11.0.11804000
System Description:	Debian GNU/Linux testing (stretch)

Configured using:
`configure --build x86_64-linux-gnu --prefix=/usr
--sharedstatedir=/var/lib --libexecdir=/usr/lib
--localstatedir=/var/lib --infodir=/usr/share/info
--mandir=/usr/share/man --with-pop=yes
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--build x86_64-linux-gnu --prefix=/usr --sharedstatedir=/var/lib
--libexecdir=/usr/lib --localstatedir=/var/lib
--infodir=/usr/share/info --mandir=/usr/share/man --with-pop=yes
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--with-x=yes --with-x-toolkit=gtk3 --with-toolkit-scroll-bars
'CFLAGS=-g -O2 -fstack-protector-strong -Wformat
-Werror=format-security -Wall' 'CPPFLAGS=-Wdate-time
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Important settings:
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Major mode: Tuareg

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Recent messages:
[mu4e] Retrieving mail...done
[mu4e] Indexing... processed 79000, updated 2
[mu4e] Indexing completed; processed 79666, updated 2, cleaned-up 0
[mu4e] Contacts received: 9878
Making completion list... [6 times]
Please enter a number.
Quit
Making completion list...
2 days, 12 hours, 28 minutes, 51 seconds
Making completion list...

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