bug#19053: 25.0.50; docview fails on 24.4 and 25.0

[William Lederer]

Opening up a PDF file results in the message

DocView: process pdf/ps->png changed status to trace/BPT trap: 5.

and no view of the file.

This seemed to begin happening with emacs 24.4.

This also happens if configured without the "--with-ns" and running
under xquartz.



In GNU Emacs 25.0.50.1 (x86_64-apple-darwin14.0.0, NS appkit-1343.14 Version 
10.10 (Build 14A389))
 of 2014-11-13 on jefferson
Windowing system distributor `Apple', version 10.3.1343
Configured using:
 `configure --x-includes=/opt/X11/include --x-libraries=/opt/X11/lib/
 --prefix=/Users/wgl --program-suffix=5a --with-ns'

Configured features:
ACL LIBXML2 ZLIB

Important settings:
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: DocView

Minor modes in effect:
  diff-auto-refine-mode: t
  show-paren-mode: t
  global-hi-lock-mode: t
  hi-lock-mode: t
  desktop-save-mode: t
  display-time-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  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

Recent messages:
Wrote /Users/wgl/Documents/scanning/scanning-second/.emacs.desktop.lock
Desktop: 1 frame, 77 buffers restored, 1 failed to restore.
For information about GNU Emacs and the GNU system, type C-h C-a.
DocView: process pdf/ps->png<1> changed status to trace/BPT trap: 5.
DocView: process pdf/ps->png changed status to trace/BPT trap: 5.
You can run the command `describe-font' with M-x d-fon RET
<nil> <down-mouse-1> is undefined
<nil> <drag-mouse-1> is undefined
Type C-c C-c to toggle between editing or viewing the document.
DocView: process pdf/ps->png changed status to trace/BPT trap: 5.

Load-path shadows:
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Features:
(shadow sort gnus-util mail-extr emacsbug mule-diag help-mode warnings
vc-git vc-dispatcher vc-svn org-wl org-w3m org-vm org-rmail org-mhe
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executable vc-hg doc-view jka-compr image-mode package epg-config
zenburn color-theme sendmail reporter git ewoc paredit geiser-load
geiser org-remember org-datetree org ob-emacs-lisp ob-tangle ob-ref
ob-lob ob-table org-footnote org-src ob-comint ob-keys ob ob-eval
org-pcomplete pcomplete org-list org-faces org-compat org-entities
org-macs cal-menu calendar cal-loaddefs remember-autoloads psvn wid-edit
log-edit message format-spec rfc822 mml mml-sec mm-decode mm-bodies
mm-encode mail-parse rfc2231 rfc2047 rfc2045 ietf-drums mm-util
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ediff-init ediff-util dired-x dired html-mode jsp-html-helper-mode
asp-html-helper-mode php-html-helper-mode html-helper-mode tempo cc-mode
cc-fonts cc-guess cc-menus cc-cmds cc-styles cc-align cc-engine cc-vars
cc-defs generic-x w3m-load slime-banner slime-asdf grep slime-fancy
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slime-compiler-notes-tree slime-scratch slime-presentations bridge
slime-fuzzy slime-fancy-trace slime-fancy-inspector slime-c-p-c
slime-editing-commands slime-autodoc advice slime-repl elp slime-parse
slime byte-opt bytecomp byte-compile cconv derived cl-extra help-fns gud
compile apropos etags arc-mode archive-mode noutline outline easy-mmode
easymenu pp comint ansi-color ring hyperspec cl-macs thingatpt
browse-url cl gv slime-autoloads go-mode-load edmacro kmacro saveplace
paren ido hi-lock desktop frameset cl-loaddefs cl-lib cus-start cus-load
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lisp-float-type mwheel ns-win tool-bar dnd fontset image regexp-opt
fringe tabulated-list newcomment elisp-mode 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 cocoa ns
multi-tty emacs)

Memory information:
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 (strings 32 83039 12069)
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