Subject: bug#17267: closed (Re: bug#17267: 24.3.50; 100% cpu usage of emacs when copy some lines to org buffer)

From: [email-masked] (GNU bug Tracking System)
Date: Fri, 18 Apr 2014 06:46:04 +0000

Your bug report

#17267: 24.3.50; 100% cpu usage of emacs when copy some lines to org buffer

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 [email-masked].

-- 
17267: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=17267
GNU Bug Tracking System
Contact [email-masked] with problems

Subject: Re: bug#17267: 24.3.50; 100% cpu usage of emacs when copy some lines to org buffer
From: Eli Zaretskii <[email-masked]>
To: Jingtao Xu <[email-masked]>
Cc: [email-masked]
Date: Fri, 18 Apr 2014 09:45:35 +0300
List-Id: <debbugs-submit.debbugs.gnu.org>

> Date: Fri, 18 Apr 2014 14:37:47 +0800
> From: Jingtao Xu <[email-masked]>
> Cc: Jingtao Xu <[email-masked]>,
> 	[email-masked]
> 
> 
> The issue disappeared,then I can continue to use the latest emacs.
> 
> Thanks very much!

Thanks, closing.

Subject: 24.3.50; 100% cpu usage of emacs when copy some lines to org buffer
From: Jingtao Xu <[email-masked]>
To: [email-masked]
Date: Tue, 15 Apr 2014 15:46:13 +0800
List-Id: <debbugs-submit.debbugs.gnu.org>

I wrote one elisp function to collect the code changes of a svn diff file:
=============================================================================================
(defun my-svn-codes-changes (&optional proj)
  (interactive)
  (if (null proj)
    (setf proj (my-select-project)))
  (with-current-buffer (find-file-noselect (my-path proj (concat (my-p-id proj) ".diff")))
    (fundamental-mode)
    (goto-char (point-min))
    (let (result-list cur-file cur-file-changes)
      (while (search-forward "Index: " nil t)
        (setf cur-file (buffer-substring-no-properties (point) (line-end-position)))
        (next-line 3)
        ;;(loop repeat 3 do (next-line))
        (let ((start-pos (line-beginning-position))
              (end-pos (point-max)))
          (when (search-forward "Index: " nil t)
            (previous-line)
            (setf end-pos (line-end-position)))
          (setf cur-file-changes (buffer-substring-no-properties start-pos end-pos))
          (push (cons cur-file cur-file-changes) result-list)
          (goto-char end-pos)))
      (reverse result-list))))
=============================================================================================
It works fine in emacs 24.3.1,but in emacs 24.3.50,it will enter into an infinite loop and never return.

I debugged emacs source code and find the infinite loop seems to happen in c function handle_stop,of file xdisp.c.
emacs nerver return from this function,and in handle_stop,when it call function handle_invisible_prop,it will
return HANDLED_RECOMPUTE_PROPS.

In GNU Emacs 24.3.50.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.10.7)
 of 2014-04-15 on mini.funtoo
Windowing system distributor `The X.Org Foundation', version 11.0.11403000
Important settings:
  value of $LC_COLLATE: POSIX
  value of $LC_CTYPE: zh_CN.UTF-8
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=fcitx
  locale-coding-system: utf-8

Major mode: Lisp Interaction

Minor modes in effect:
  show-paren-mode: t
  global-eclim-mode: t
  savehist-mode: t
  recentf-mode: t
  ido-everywhere: t
  tabbar-mode: t
  global-auto-revert-mode: t
  Info-breadcrumbs-in-mode-line-mode: t
  global-company-mode: t
  company-mode: t
  global-auto-complete-mode: t
  auto-complete-mode: t
  yas/global-mode: t
  yas/minor-mode: t
  anything-dired-mode: Enable anything completion in Dired functions.
Bindings affected are C, R, S, H.
This is deprecated for Emacs24+ users, use `ac-mode' instead.
  auto-image-file-mode: t
  winner-mode: t
  display-time-mode: t
  evil-mode: t
  evil-local-mode: t
  pretty-lambda-mode: t
  shell-dirtrack-mode: t
  eldoc-mode: t
  which-function-mode: t
  tooltip-mode: t
  electric-indent-mode: t
  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
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t
  abbrev-mode: t

Recent input:
<down-mouse-1> <mouse-movement> <mouse-1> <help-echo> 
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo> 
<help-echo> <menu-bar> <help-menu> <send-emacs-bug-report> 
1 0 0 % SPC c p u SPC u s a g e SPC o f SPC e m a c 
s SPC w h e n SPC c o p y SPC s o m e SPC l i n e s 
SPC t o SPC o r g SPC b u f f e r <return> T h s SPC 
C-g a <backspace> i s SPC C-g s C-g C-c C-k y C-x C-c 
C-g s 1 <help-echo> <help-echo> <help-echo> <help-echo> 
<help-echo> <help-echo> <help-echo> <menu-bar> <help-menu> 
<send-emacs-bug-report>

Recent messages:
Checking 70 files in /home/projects/emacs/lisp/erc...
Checking 48 files in /home/projects/emacs/lisp/emulation...
Checking 153 files in /home/projects/emacs/lisp/emacs-lisp...
Checking 57 files in /home/projects/emacs/lisp/calendar...
Checking 87 files in /home/projects/emacs/lisp/calc...
Checking 95 files in /home/projects/emacs/lisp/obsolete...
Checking for load-path shadows...done
Quit [3 times]
Message modified; kill anyway? (y or n) y
(No files need saving) [2 times]
Quit

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/home/jingtao/Dropbox/emacs/site-lisp/iterator hides /home/projects/dummy/site-lisp/iterator
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/home/jingtao/Dropbox/emacs/site-lisp/iimage hides /home/projects/emacs/lisp/iimage
/home/jingtao/Dropbox/emacs/site-lisp/inf-lisp hides /home/projects/emacs/lisp/progmodes/inf-lisp
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Features:
(shadow mail-extr emacsbug message idna rfc822 mml mml-sec mm-decode
mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader
sendmail rfc2047 rfc2045 ietf-drums mail-utils eim eim-extra tramp-cache
paren virsh ab-indent-table my-g2 kindlegen cus-start cus-load baidu-pcs
my-theme help-at-pt eclimd company-emacs-eclim eclim-completion eclim
eclim-problems eclim-maven eclim-ant eclim-java eclim-project my-java
my-kbd my-erc .loaddefs el-get el-get-autoloads el-get-list-packages
el-get-notify help-mode el-get-dependencies el-get-build el-get-status
el-get-recipes el-get-byte-compile el-get-methods el-get-fossil
el-get-svn el-get-pacman el-get-github-zip el-get-github-tar
el-get-http-zip el-get-http-tar el-get-hg el-get-git-svn el-get-fink
el-get-emacswiki el-get-http el-get-emacsmirror el-get-github el-get-git
el-get-elpa el-get-darcs el-get-cvs el-get-bzr el-get-brew
el-get-builtin el-get-apt-get el-get-custom el-get-core autoload
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mcomplete ido-better-flex ido avoid tabbar desktop frameset saveplace
rect-mark ibuf-macs ibuf-ext ibuffer dired-extension dired-tar tramp-sh
my-sys grep-a-lot autorevert filenotify info+ newsticker-notify
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company-dabbrev company-etags company-gtags company-capf company-cmake
company-ropemacs company-xcode company-clang company-semantic
company-eclim company-template company-css company-nxml company ac-slime
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header2 lib-requires loadhist my-doc skeleton my-abbrev anything-config
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creole-autoloads el-x-autoloads elpakit-autoloads anaphora-autoloads
httpd-autoloads info easymenu quack-autoloads package which-func imenu
site-gentoo w3m-load muse-autoloads server my-autoload assoc help-fns
easy-mmode parse-time cl-macs cl cl-loaddefs cl-lib my-utils gv my-main
my-env time-date china-util tooltip electric uniquify 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 prog-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
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hashtable-print-readable backquote make-network-process dbusbind
gfilenotify dynamic-setting system-font-setting font-render-setting
move-toolbar gtk x-toolkit x multi-tty emacs)

Memory information:
((conses 16 750367 50412)
 (symbols 48 61076 19)
 (miscs 40 145 312)
 (strings 32 133650 16576)
 (string-bytes 1 4156385)
 (vectors 16 41594)
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 (heap 1024 47248 2541))

-- 

___________________________________
With Best Regards.
jingtao.