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bug#25712: 24.3; core dump

From: Guy Charbonneau
Subject: bug#25712: 24.3; core dump
Date: Mon, 13 Feb 2017 20:38:25 +0000

Sorry, I don’t know where to get the source tree for emacs so I can’t troubleshoot.

This segv has happened to me about 10 times over the last two weeks.

I’m running multiple frames, each with one buffers with a shell. In one of them running a perl -w script.pl that sometimes gets stuck parsing some source code in a tight loop.

It seems to happen when I switch between frames.


If Emacs crashed, and you have the Emacs process in the gdb debugger,

please include the output from the following gdb commands:

    `bt full' and `xbacktrace'.

For information about debugging Emacs, please read the file




In GNU Emacs 24.3.1 (x86_64-redhat-linux-gnu, GTK+ Version 3.8.8)

of 2015-11-20 on worker1.bsys.centos.org

Windowing system distributor `The Cygwin/X Project', version 11.0.11104000

System Description:        CentOS Linux release 7.2.1511 (Core)


Configured using:

`configure '--build=x86_64-redhat-linux-gnu'

'--host=x86_64-redhat-linux-gnu' '--program-prefix='

'--disable-dependency-tracking' '--prefix=/usr' '--exec-prefix=/usr'

'--bindir=/usr/bin' '--sbindir=/usr/sbin' '--sysconfdir=/etc'

'--datadir=/usr/share' '--includedir=/usr/include'

'--libdir=/usr/lib64' '--libexecdir=/usr/libexec'

'--localstatedir=/var' '--sharedstatedir=/var/lib'

'--mandir=/usr/share/man' '--infodir=/usr/share/info' '--with-dbus'

'--with-gif' '--with-jpeg' '--with-png' '--with-rsvg' '--with-tiff'

'--with-xft' '--with-xpm' '--with-x-toolkit=gtk3' '--with-gpm=no'


'host_alias=x86_64-redhat-linux-gnu' 'CFLAGS=-DMAIL_USE_LOCKF -O2 -g

-pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions

-fstack-protector-strong --param=ssp-buffer-size=4

-grecord-gcc-switches -m64 -mtune=generic' 'LDFLAGS=-Wl,-z,relro ''


Important settings:

  value of $LANG: C

  locale-coding-system: nil

  default enable-multibyte-characters: t


Major mode: Fundamental


Minor modes in effect:

  show-paren-mode: t

  desktop-save-mode: t

  iswitchb-mode: t

  which-function-mode: t

  delete-selection-mode: t

  tooltip-mode: t

  mouse-wheel-mode: t

  menu-bar-mode: t

  file-name-shadow-mode: t

  global-font-lock-mode: t

  blink-cursor-mode: t

  auto-composition-mode: t

  auto-encryption-mode: t

  auto-compression-mode: t

  buffer-read-only: t

 column-number-mode: t

  line-number-mode: t

  transient-mark-mode: t


Recent input:

<help-echo> <help-echo> <help-echo> y y <help-echo>

<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>

<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>

<help-echo> <help-echo> <help-echo> <help-echo> <menu-bar>

<help-menu> <about-emacs> <help-echo> <down-mouse-1>

<mouse-movement> <mouse-1> M-x e m <backspace> <backspace>

r e p o r t <tab> <return>


Recent messages:

old emacs no lewscolor.el


last .emacs

Loading paren...done

in default.el

Warning: desktop file appears to be in use by PID 3995.

Using it may cause conflicts.  Use it anyway? (y or n)  y

Desktop: 25 buffers restored.

For information about GNU Emacs and the GNU system, type C-h C-a.



Load-path shadows:

/home/psi/charbonn/emacs/default hides /usr/share/emacs/site-lisp/default

/home/psi/charbonn/emacs/shell hides /usr/share/emacs/24.3/lisp/shell

/home/psi/charbonn/emacs/misc hides /usr/share/emacs/24.3/lisp/misc

/home/psi/charbonn/emacs/locate hides /usr/share/emacs/24.3/lisp/locate

/home/psi/charbonn/emacs/iswitchb hides /usr/share/emacs/24.3/lisp/iswitchb

/home/psi/charbonn/emacs/ibuffer hides /usr/share/emacs/24.3/lisp/ibuffer

/home/psi/charbonn/emacs/ibuf-macs hides /usr/share/emacs/24.3/lisp/ibuf-macs

/home/psi/charbonn/emacs/hilit-chg hides /usr/share/emacs/24.3/lisp/hilit-chg

/home/psi/charbonn/emacs/hi-lock hides /usr/share/emacs/24.3/lisp/hi-lock

/home/psi/charbonn/emacs/font-core hides /usr/share/emacs/24.3/lisp/font-core

/home/psi/charbonn/emacs/diff-mode hides /usr/share/emacs/24.3/lisp/vc/diff-mode

/home/psi/charbonn/emacs/gud hides /usr/share/emacs/24.3/lisp/progmodes/gud

/home/psi/charbonn/emacs/derived hides /usr/share/emacs/24.3/lisp/emacs-lisp/derived



(shadow sort gnus-util mail-extr emacsbug message cl-macs gv format-spec

rfc822 mml mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231

mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums

mm-util mail-prsvr mail-utils genutil mule-util add-log paren cus-start

cus-load make-mode jka-compr nxml-uchnm rng-xsd xsd-regexp rng-cmpct

rng-nxml rng-valid rng-loc rng-uri rng-parse nxml-parse rng-match rng-dt

rng-util rng-pttrn nxml-ns nxml-mode nxml-outln nxml-rap nxml-util

nxml-glyph nxml-enc xmltok cc-langs cl cc-mode cc-fonts cc-guess

cc-menus cc-cmds cc-styles cc-align cc-engine cc-vars cc-defs perl-mode

desktop iswitchb which-func imenu delsel hi-lock easy-mmode server

default point-list emacs-wiki-macros emacs-wiki-colors

emacs-wiki-project emacs-wiki-publish executable emacs-wiki-menu dired

emacs-wiki-regexps emacs-wiki pcomplete info easymenu derived compile

comint ansi-color ring cc-sandbox file-search advice help-fns cl-lib

advice-preload time-date tooltip ediff-hook vc-hooks lisp-float-type

mwheel x-win x-dnd tool-bar dnd fontset image regexp-opt fringe

tabulated-list newcomment lisp-mode register page menu-bar rfn-eshadow

timer select scroll-bar 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 minibuffer loaddefs button faces

cus-face macroexp files text-properties overlay sha1 md5 base64 format

env code-pages mule custom widget hashtable-print-readable backquote

make-network-process dbusbind dynamic-setting system-font-setting

font-render-setting move-toolbar gtk x-toolkit x multi-tty emacs)



























[3]    Segmentation fault            emacs (core dumped)

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