bug#23109: 24.5.50; gnus cannot goto next page

[zhanghj]

Gnus sometimes can't goto next page with the default key binding(SPACE).
The key binding was not changed. It is article releated(for example, the
article in the attached picture).

gnus-cannot-goto-next-page.png
Description: gnus

In GNU Emacs 24.5.50.2 (x86_64-pc-linux-gnu)
 of 2016-03-18 on junlinux
Repository revision: 431bd15c2bda72bcd57b0c5f2fa47004cc96d0b8
Windowing system distributor `The X.Org Foundation', version 11.0.11604000
System Description:     Debian GNU/Linux 8.3 (jessie)

Configured using:
 `configure --prefix=/home/jun/apps/emacs-24x-2
 --host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu
 --with-x-toolkit=no --disable-acl --with-jpeg=no --with-gif=no
 --with-tiff=no --with-png=no --with-xpm=no --with-sound=no
 --without-gsettings CFLAGS=-O3'

Important settings:
  value of $LC_CTYPE: zh_CN.UTF-8
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=ibus
  locale-coding-system: utf-8-unix

Major mode: Group

Minor modes in effect:
  gnus-undo-mode: t
  recentf-mode: t
  auto-insert-mode: t
  global-undo-tree-mode: t
  server-mode: t
  ido-everywhere: t
  which-function-mode: t
  desktop-save-mode: t
  auto-image-file-mode: t
  global-auto-revert-mode: t
  icomplete-mode: t
  display-time-mode: t
  show-paren-mode: t
  tooltip-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  buffer-read-only: t
  column-number-mode: t
  line-number-mode: t

Recent messages:
No new newsgroups
Checking new news...
Reading active file via nnml...
Reading incoming mail from pop...
Mail source (pop :server pop.163.com :user netjune :port pop3) failed: (quit)
nnml: Reading incoming mail (no new mail)...done
Reading active file via nnml...done
Reading active file from archive via nnfolder...done
Reading active file via nndraft...done
Checking new news...done
Quit

Load-path shadows:
None found.

Features:
(shadow sort mail-extr auth-source eieio eieio-core byte-opt bytecomp
byte-compile cconv nndraft nnmh nnfolder nnml gnus-agent gnus-srvr
gnus-score score-mode nnvirtual gnus-msg gnus-art mm-uu mml2015
epg-config mm-view mml-smime smime password-cache dig mailcap nntp
gnus-cache gnus-sum nnoo gnus-group gnus-undo nnmail mail-source
gnus-start gnus-spec gnus-int gnus-range gnus-win gnus gnus-ems nnheader
emacsbug message 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 hippie-exp misearch
multi-isearch add-log time-stamp make-mode smex thingatpt recentf
tree-widget wid-edit bookmark pp my-flist-body org-element org-rmail
org-mhe org-irc org-info org-gnus gnus-util org-docview doc-view
image-mode org-bibtex bibtex org-bbdb org-w3m ob-ditaa org org-macro
org-footnote org-pcomplete pcomplete org-list org-faces org-entities
noutline outline org-version ob-emacs-lisp ob ob-tangle ob-ref ob-lob
ob-table ob-exp org-src ob-keys ob-comint ob-core ob-eval org-compat
org-macs org-loaddefs format-spec cal-menu calendar cal-loaddefs
dired-aux sh-script smie executable dired-x dired highlight-parentheses
yasnippet cl-extra company-capf company-dabbrev-code company-dabbrev
company-irony company flycheck-irony irony-diagnostics flycheck
help-mode rx subr-x seq dash pcase jka-compr compile comint ansi-color
ring let-alist irony-completion irony-snippet eldoc cc-langs cc-mode
cc-fonts easymenu cc-guess cc-menus cc-cmds cc-styles cc-align cc-engine
cc-vars cc-defs my-session tomorrow-night-bright-theme
color-theme-tomorrow main-init windmove my-abbrev my-mail my-autoload
my-fpos my-snippet advice my-completion irony find-func my-skeleton
autoinsert my-dev my-org my-files my-color-theme undo-tree derived
easy-mmode help-fns cl-macs diff cl gv flycheck-autoload irony-autoload
wgrep-load bbdb-load magit-load git-modes-load evil-load emmet-load
expand-region-load multiple-cursors-load iedit-load goodies-load
company-load yasnippet-load autoload-main server ido edmacro kmacro
which-func imenu desktop frameset cl-loaddefs cl-lib image-file
autorevert filenotify icomplete time paren 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 greek romanian slovak czech european ethiopic
indian cyrillic chinese case-table epa-hook jka-cmpr-hook help simple
abbrev minibuffer nadvice 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 gfilenotify dynamic-setting font-render-setting x multi-tty
emacs)

Memory information:
((conses 16 472515 17602)
 (symbols 48 44232 0)
 (miscs 40 532 986)
 (strings 32 87125 18368)
 (string-bytes 1 2964977)
 (vectors 16 38787)
 (vector-slots 8 1431268 70179)
 (floats 8 541 410)
 (intervals 56 2930 737)
 (buffers 960 54)
 (heap 1024 49399 1774))