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bug#16786: 24.2; PostScript file with long lines locks up UI
From: |
Andreas Gustafsson |
Subject: |
bug#16786: 24.2; PostScript file with long lines locks up UI |
Date: |
Mon, 17 Feb 2014 23:34:00 +0200 |
Hi,
I have a PostScript source file containing some embedded font data
in the form of a single line about 100,000 characters long.
When I open this file in emacs, it stops responding to keystrokes
(including control-G) for several minutes, consuming 100% CPU.
I see this behavior in 22.2.1, 23.4.1, and 24.2.1, but not in 21.4.1.
The problem can be reproduced by evaluating the following elisp
expression:
(progn
(switch-to-buffer "test")
(insert (make-string 100000 97))
(ps-mode)
)
--
Andreas Gustafsson, gson@gson.org
In GNU Emacs 24.2.1 (x86_64--netbsd)
of 2012-10-12 on pomegranate.tastylime.net
Configured using:
`configure '--srcdir=/scratch/editors/emacs24-nox11/work/emacs-24.2'
'--localstatedir=/var' '--without-dbus' '--without-m17n-flt'
'--without-otf' '--without-rsvg' '--without-x' '--without-xft'
'--without-gif' '--without-jpeg' '--without-png' '--without-tiff'
'--without-xpm' '--prefix=/usr/pkg' '--build=x86_64--netbsd'
'--host=x86_64--netbsd' '--infodir=/usr/pkg/info'
'--mandir=/usr/pkg/man' 'build_alias=x86_64--netbsd'
'host_alias=x86_64--netbsd' 'CC=gcc' 'CFLAGS=-O2 -I/usr/include'
'LDFLAGS=-L/usr/lib -Wl,-R/usr/lib -Wl,-R/usr/pkg/lib' 'LIBS='
'CPPFLAGS=-DTERMINFO -I/usr/include''
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: nil
value of $XMODIFIERS: nil
locale-coding-system: nil
default enable-multibyte-characters: t
Major mode: Lisp Interaction
Minor modes in effect:
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
line-number-mode: t
transient-mark-mode: t
Recent input:
ESC [ ? 1 ; 2 c ESC x r e p o r TAB RET
Recent messages:
("emacs")
Customizing...
Done.
For information about GNU Emacs and the GNU system, type C-h C-a.
Load-path shadows:
None found.
Features:
(shadow sort gnus-util mail-extr warnings emacsbug message format-spec
rfc822 mml easymenu 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 time-date guess-offset cc-vars
cc-defs regexp-opt ediff-hook vc-hooks lisp-float-type lisp-mode
register page menu-bar rfn-eshadow timer 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 files text-properties overlay sha1 md5 base64 format env
code-pages mule custom widget hashtable-print-readable backquote
make-network-process multi-tty emacs)
- bug#16786: 24.2; PostScript file with long lines locks up UI,
Andreas Gustafsson <=