bug#25697: 26.0.50; emacs freezes when first seeing unicode character ❌

bug#25697: 26.0.50; emacs freezes when first seeing unicode character ❌

[Amos Bird]

Here is the stacktrace when freezing (about 20 seconds), 

#0  0x00007fb5617a27bf in __strchr_sse2 () at /usr/lib/libc.so.6
#1  0x00007fb5631a317e in  () at /usr/lib/libfontconfig.so.1
#2  0x00007fb5631a34df in  () at /usr/lib/libfontconfig.so.1
#3  0x00007fb56318d4b5 in  () at /usr/lib/libfontconfig.so.1
#4  0x00007fb56319b3c5 in  () at /usr/lib/libfontconfig.so.1
#5  0x00007fb56319b559 in FcFontSetList () at /usr/lib/libfontconfig.so.1
#6  0x00007fb56319be0d in FcFontList () at /usr/lib/libfontconfig.so.1
#7  0x00000000005bc45c in ftfont_lookup_cache (key=<optimized out>, cache_for=cache_for@entry=
    FTFONT_CACHE_FOR_CHARSET) at ftfont.c:419
#8  0x00000000005be70d in ftfont_get_fc_charset (entity=<optimized out>) at ftfont.c:448
#9  0x00000000005be70d in ftfont_has_char (font=<optimized out>, c=10060) at ftfont.c:1281
#10 0x00000000005747c2 in font_sort_entities (list=<optimized out>, prefer=13213549, f=f@entry=0x548c960, best_only=best_only@entry=10060) at font.c:2290
#11 0x0000000000574d5a in font_select_entity (c=10060, pixel_size=<optimized out>, attrs=0x4e43ff0, entities=<optimized out>, f=0x548c960) at font.c:3127
#12 0x0000000000574d5a in font_find_for_lface (f=f@entry=0x548c960, attrs=attrs@entry=0x4e43ff0, spec=<optimized out>, c=c@entry=10060) at font.c:3267
#13 0x00000000005c426d in fontset_find_font (fontset=<optimized out>, c=c@entry=10060, face=face@entry=0x4e43ff0, charset_id=charset_id@entry=-1, fallback=fallback@entry=false) at fontset.c:698
#14 0x00000000005c4582 in fontset_font (fontset=fontset@entry=197445637, c=c@entry=10060, face=face@entry=0x4e43ff0, id=-1) at fontset.c:776
#15 0x00000000005c5052 in face_for_char (f=0x548c960, face=face@entry=0x4e43ff0, c=10060, pos=<optimized out>, object=<optimized out>) at fontset.c:990
#16 0x0000000000442860 in FACE_FOR_CHAR (object=<optimized out>, pos=<optimized out>, character=<optimized out>, face=0x4e43ff0, f=<optimized out>) at dispextern.h:1850
#17 0x0000000000442860 in get_next_display_element (it=it@entry=0x7ffd33639f90) at xdisp.c:7196
#18 0x000000000044d928 in display_line (it=it@entry=0x7ffd33639f90) at xdisp.c:20704
#19 0x00000000004505c0 in try_window (window=window@entry=114521925, pos=..., flags=flags@entry=1) at xdisp.c:17373
#20 0x0000000000463fef in redisplay_window (window=114521925, just_this_one_p=just_this_one_p@entry=true)
    at xdisp.c:16821
#21 0x000000000046728e in redisplay_window_1 (window=window@entry=114521925) at xdisp.c:14590
#22 0x000000000055d4d6 in internal_condition_case_1 (bfun=bfun@entry=0x467260 <redisplay_window_1>, arg=114521925, handlers=<optimized out>, hfun=hfun@entry=0x42cb80 <redisplay_window_error>) at eval.c:1348
#23 0x0000000000454adf in redisplay_internal () at xdisp.c:14162
#24 0x0000000000456025 in redisplay () at xdisp.c:13296
#25 0x00000000004f6c5b in read_char (commandflag=commandflag@entry=1, map=map@entry=197471971, prev_event=0, used_mouse_menu=used_mouse_menu@entry=0x7ffd3363f31b, end_time=end_time@entry=0x0) at keyboard.c:2482
#26 0x00000000004f96df in read_key_sequence (keybuf=keybuf@entry=0x7ffd3363f3f0, prompt=prompt@entry=0, dont_downcase_last=dont_downcase_last@entry=false, can_return_switch_frame=can_return_switch_frame@entry=true, fix_current_buffer=fix_current_buffer@entry=true, prevent_redisplay=prevent_redisplay@entry=false, bufsize=30) at keyboard.c:9109
#27 0x00000000004fb266 in command_loop_1 () at keyboard.c:1370
#28 0x000000000055d43e in internal_condition_case (bfun=bfun@entry=0x4fb060 <command_loop_1>, handlers=handlers@entry=19728, hfun=hfun@entry=0x4f22b0 <cmd_error>) at eval.c:1324
#29 0x00000000004ecf7c in command_loop_2 (ignore=ignore@entry=0) at keyboard.c:1112
#30 0x000000000055d3dc in internal_catch (tag=tag@entry=47184, func=func@entry=0x4ecf60 <command_loop_2>, arg=arg@entry=0) at eval.c:1091
#31 0x00000000004ecf39 in command_loop () at keyboard.c:1091
#32 0x00000000004f1eb3 in recursive_edit_1 () at keyboard.c:697
#33 0x00000000004f21eb in Frecursive_edit () at keyboard.c:768
#34 0x000000000041902c in main (argc=<optimized out>, argv=0x7ffd3363f768) at emacs.c:1688




In GNU Emacs 26.0.50.6 (x86_64-unknown-linux-gnu, GTK+ Version 3.22.7)
 of 2017-02-11 built on t450s
Repository revision: 65298ff4d5861cbc8d88162d58c18fa972b81acf
Windowing system distributor 'The X.Org Foundation', version 11.0.11901000
System Description:	Arch Linux

Recent messages:
Error running timer ‘recentf-save-list’: (void-function recentf-save-list)
[mu4e] Retrieving mail...done
[mu4e] Indexing... processed 6000, updated 2
[mu4e] Indexing completed; processed 6362, updated 2, cleaned-up 0
[mu4e] Found 443 matching messages
[mu4e] Contacts received: 1091
buffer string... [3 times]
Mark set
Opened https://github.com/djcb/mu/issues/1028#issuecomment-279223098.
Quit

Configured using:
 'configure --prefix=/home/amos/'

Configured features:
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GCONF GSETTINGS
NOTIFY ACL GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB
TOOLKIT_SCROLL_BARS GTK3 X11 LIBSYSTEMD

Important settings:
  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-unix

Major mode: mu4e-headers

Minor modes in effect:
  diff-auto-refine-mode: t
  global-git-commit-mode: t
  async-bytecomp-package-mode: t
  global-vi-tilde-fringe-mode: t
  helm-descbinds-mode: t
  helm-mode: t
  shell-dirtrack-mode: t
  helm-flx-mode: t
  winum-mode: t
  winner-mode: t
  volatile-highlights-mode: t
  pupo-mode: t
  purpose-mode: t
  spaceline-info-mode: t
  spaceline-helm-mode: t
  save-place-mode: t
  savehist-mode: t
  popwin-mode: t
  persp-mode: t
  Info-breadcrumbs-in-mode-line-mode: t
  flycheck-pos-tip-mode: t
  global-flycheck-mode: t
  flx-ido-mode: t
  eyebrowse-mode: t
  global-evil-surround-mode: t
  global-evil-search-highlight-persist: t
  evil-search-highlight-persist: t
  show-smartparens-global-mode: t
  global-anzu-mode: t
  anzu-mode: t
  eval-sexp-fu-flash-mode: t
  clean-aindent-mode: t
  which-key-mode: t
  override-global-mode: t
  global-undo-tree-mode: t
  undo-tree-mode: t
  evil-mode: t
  evil-local-mode: t
  spacemacs-leader-override-mode: t
  global-spacemacs-leader-override-mode: t
  global-hl-line-mode: t
  hl-line-mode: t
  global-auto-revert-mode: t
  ido-vertical-mode: t
  global-page-break-lines-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
  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

Load-path shadows:
/home/amos/.emacs.d/elpa/org-bullets-20140918.1137/org-bullets hides /home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-bullets
/home/amos/.emacs.d/elpa/ht-20161015.1945/ht hides /home/amos/.emacs.d/core/libs/ht
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-matlab hides /home/amos/share/emacs/26.0.50/lisp/org/ob-matlab
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-compat hides /home/amos/share/emacs/26.0.50/lisp/org/org-compat
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ox-html hides /home/amos/share/emacs/26.0.50/lisp/org/ox-html
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-maxima hides /home/amos/share/emacs/26.0.50/lisp/org/ob-maxima
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-screen hides /home/amos/share/emacs/26.0.50/lisp/org/ob-screen
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-datetree hides /home/amos/share/emacs/26.0.50/lisp/org/org-datetree
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ox-texinfo hides /home/amos/share/emacs/26.0.50/lisp/org/ox-texinfo
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-src hides /home/amos/share/emacs/26.0.50/lisp/org/org-src
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ox-man hides /home/amos/share/emacs/26.0.50/lisp/org/ox-man
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-asymptote hides /home/amos/share/emacs/26.0.50/lisp/org/ob-asymptote
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-element hides /home/amos/share/emacs/26.0.50/lisp/org/org-element
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-ref hides /home/amos/share/emacs/26.0.50/lisp/org/ob-ref
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-emacs-lisp hides /home/amos/share/emacs/26.0.50/lisp/org/ob-emacs-lisp
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-attach hides /home/amos/share/emacs/26.0.50/lisp/org/org-attach
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-bibtex hides /home/amos/share/emacs/26.0.50/lisp/org/org-bibtex
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-haskell hides /home/amos/share/emacs/26.0.50/lisp/org/ob-haskell
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-R hides /home/amos/share/emacs/26.0.50/lisp/org/ob-R
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-macro hides /home/amos/share/emacs/26.0.50/lisp/org/org-macro
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ox-ascii hides /home/amos/share/emacs/26.0.50/lisp/org/ox-ascii
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-agenda hides /home/amos/share/emacs/26.0.50/lisp/org/org-agenda
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ox-icalendar hides /home/amos/share/emacs/26.0.50/lisp/org/ox-icalendar
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-perl hides /home/amos/share/emacs/26.0.50/lisp/org/ob-perl
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-tangle hides /home/amos/share/emacs/26.0.50/lisp/org/ob-tangle
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-sqlite hides /home/amos/share/emacs/26.0.50/lisp/org/ob-sqlite
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-awk hides /home/amos/share/emacs/26.0.50/lisp/org/ob-awk
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-faces hides /home/amos/share/emacs/26.0.50/lisp/org/org-faces
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-scala hides /home/amos/share/emacs/26.0.50/lisp/org/ob-scala
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-w3m hides /home/amos/share/emacs/26.0.50/lisp/org/org-w3m
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-info hides /home/amos/share/emacs/26.0.50/lisp/org/org-info
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ox-beamer hides /home/amos/share/emacs/26.0.50/lisp/org/ox-beamer
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-version hides /home/amos/share/emacs/26.0.50/lisp/org/org-version
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-colview hides /home/amos/share/emacs/26.0.50/lisp/org/org-colview
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-calc hides /home/amos/share/emacs/26.0.50/lisp/org/ob-calc
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-macs hides /home/amos/share/emacs/26.0.50/lisp/org/org-macs
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-gnus hides /home/amos/share/emacs/26.0.50/lisp/org/org-gnus
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-docview hides /home/amos/share/emacs/26.0.50/lisp/org/org-docview
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-archive hides /home/amos/share/emacs/26.0.50/lisp/org/org-archive
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-ocaml hides /home/amos/share/emacs/26.0.50/lisp/org/ob-ocaml
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-C hides /home/amos/share/emacs/26.0.50/lisp/org/ob-C
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org hides /home/amos/share/emacs/26.0.50/lisp/org/org
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ox-publish hides /home/amos/share/emacs/26.0.50/lisp/org/ox-publish
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-table hides /home/amos/share/emacs/26.0.50/lisp/org/ob-table
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-timer hides /home/amos/share/emacs/26.0.50/lisp/org/org-timer
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-org hides /home/amos/share/emacs/26.0.50/lisp/org/ob-org
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ox-org hides /home/amos/share/emacs/26.0.50/lisp/org/ox-org
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-pcomplete hides /home/amos/share/emacs/26.0.50/lisp/org/org-pcomplete
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-ruby hides /home/amos/share/emacs/26.0.50/lisp/org/ob-ruby
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-plot hides /home/amos/share/emacs/26.0.50/lisp/org/org-plot
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-exp hides /home/amos/share/emacs/26.0.50/lisp/org/ob-exp
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-keys hides /home/amos/share/emacs/26.0.50/lisp/org/ob-keys
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-mscgen hides /home/amos/share/emacs/26.0.50/lisp/org/ob-mscgen
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-makefile hides /home/amos/share/emacs/26.0.50/lisp/org/ob-makefile
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-mouse hides /home/amos/share/emacs/26.0.50/lisp/org/org-mouse
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-shen hides /home/amos/share/emacs/26.0.50/lisp/org/ob-shen
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-mhe hides /home/amos/share/emacs/26.0.50/lisp/org/org-mhe
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-footnote hides /home/amos/share/emacs/26.0.50/lisp/org/org-footnote
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-irc hides /home/amos/share/emacs/26.0.50/lisp/org/org-irc
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-bbdb hides /home/amos/share/emacs/26.0.50/lisp/org/org-bbdb
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-habit hides /home/amos/share/emacs/26.0.50/lisp/org/org-habit
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-lilypond hides /home/amos/share/emacs/26.0.50/lisp/org/ob-lilypond
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob hides /home/amos/share/emacs/26.0.50/lisp/org/ob
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-sass hides /home/amos/share/emacs/26.0.50/lisp/org/ob-sass
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-capture hides /home/amos/share/emacs/26.0.50/lisp/org/org-capture
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-eshell hides /home/amos/share/emacs/26.0.50/lisp/org/org-eshell
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-sql hides /home/amos/share/emacs/26.0.50/lisp/org/ob-sql
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-entities hides /home/amos/share/emacs/26.0.50/lisp/org/org-entities
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-picolisp hides /home/amos/share/emacs/26.0.50/lisp/org/ob-picolisp
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-indent hides /home/amos/share/emacs/26.0.50/lisp/org/org-indent
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ox-odt hides /home/amos/share/emacs/26.0.50/lisp/org/ox-odt
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-io hides /home/amos/share/emacs/26.0.50/lisp/org/ob-io
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-rmail hides /home/amos/share/emacs/26.0.50/lisp/org/org-rmail
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-protocol hides /home/amos/share/emacs/26.0.50/lisp/org/org-protocol
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-octave hides /home/amos/share/emacs/26.0.50/lisp/org/ob-octave
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-gnuplot hides /home/amos/share/emacs/26.0.50/lisp/org/ob-gnuplot
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-table hides /home/amos/share/emacs/26.0.50/lisp/org/org-table
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-fortran hides /home/amos/share/emacs/26.0.50/lisp/org/ob-fortran
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-plantuml hides /home/amos/share/emacs/26.0.50/lisp/org/ob-plantuml
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-core hides /home/amos/share/emacs/26.0.50/lisp/org/ob-core
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-feed hides /home/amos/share/emacs/26.0.50/lisp/org/org-feed
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-eval hides /home/amos/share/emacs/26.0.50/lisp/org/ob-eval
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-ctags hides /home/amos/share/emacs/26.0.50/lisp/org/org-ctags
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-java hides /home/amos/share/emacs/26.0.50/lisp/org/ob-java
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-ditaa hides /home/amos/share/emacs/26.0.50/lisp/org/ob-ditaa
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-id hides /home/amos/share/emacs/26.0.50/lisp/org/org-id
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-list hides /home/amos/share/emacs/26.0.50/lisp/org/org-list
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ox-latex hides /home/amos/share/emacs/26.0.50/lisp/org/ox-latex
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-js hides /home/amos/share/emacs/26.0.50/lisp/org/ob-js
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-lisp hides /home/amos/share/emacs/26.0.50/lisp/org/ob-lisp
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-lob hides /home/amos/share/emacs/26.0.50/lisp/org/ob-lob
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-clock hides /home/amos/share/emacs/26.0.50/lisp/org/org-clock
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ox hides /home/amos/share/emacs/26.0.50/lisp/org/ox
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-clojure hides /home/amos/share/emacs/26.0.50/lisp/org/ob-clojure
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-comint hides /home/amos/share/emacs/26.0.50/lisp/org/ob-comint
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-install hides /home/amos/share/emacs/26.0.50/lisp/org/org-install
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-inlinetask hides /home/amos/share/emacs/26.0.50/lisp/org/org-inlinetask
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-latex hides /home/amos/share/emacs/26.0.50/lisp/org/ob-latex
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-crypt hides /home/amos/share/emacs/26.0.50/lisp/org/org-crypt
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ox-md hides /home/amos/share/emacs/26.0.50/lisp/org/ox-md
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-dot hides /home/amos/share/emacs/26.0.50/lisp/org/ob-dot
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-scheme hides /home/amos/share/emacs/26.0.50/lisp/org/ob-scheme
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-mobile hides /home/amos/share/emacs/26.0.50/lisp/org/org-mobile
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-python hides /home/amos/share/emacs/26.0.50/lisp/org/ob-python
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-ledger hides /home/amos/share/emacs/26.0.50/lisp/org/ob-ledger
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/ob-css hides /home/amos/share/emacs/26.0.50/lisp/org/ob-css
/home/amos/.emacs.d/elpa/org-plus-contrib-20170210/org-loaddefs hides /home/amos/share/emacs/26.0.50/lisp/org/org-loaddefs

Features:
(shadow sort mail-extr emacsbug helm-command helm-elisp helm-eval edebug
link-hint goto-addr avy shr-color shr svg dom mu4e-maildirs-extension
org-mu4e orgit org-element avl-tree git-rebase evil-magit magit-obsolete
magit-blame magit-stash magit-bisect magit-remote magit-commit
magit-sequence magit-notes magit-worktree magit-branch magit-files
magit-refs magit-status magit magit-repos magit-apply magit-wip
magit-log magit-diff smerge-mode diff-mode magit-core magit-autorevert
magit-process magit-margin magit-mode magit-git crm magit-section
magit-popup git-commit magit-utils log-edit pcvs-util add-log
with-editor async-bytecomp async tramp-sh org org-macro org-footnote
org-pcomplete org-list org-faces org-entities org-version ob-emacs-lisp
ob ob-tangle org-src ob-ref ob-lob ob-table ob-keys ob-exp ob-comint
ob-core ob-eval org-compat org-macs org-loaddefs mu4e desktop frameset
mu4e-speedbar speedbar sb-image ezimage dframe mu4e-main mu4e-context
mu4e-view cal-menu calendar cal-loaddefs mu4e-headers mu4e-compose
mu4e-draft mu4e-actions rfc2368 smtpmail sendmail mu4e-mark mu4e-message
html2text mu4e-proc mu4e-proc-mu mu4e-utils doc-view jka-compr
mu4e-lists mu4e-vars message puny rfc822 mml mml-sec epa epg gnus-util
rmail rmail-loaddefs mailabbrev mail-utils gmm-utils mailheader
mu4e-meta vi-tilde-fringe helm-descbinds helm-mode helm-files
image-dired tramp tramp-compat tramp-loaddefs trampver shell parse-time
dired-x dired-aux ffap helm-buffers helm-elscreen helm-tags
helm-bookmark helm-adaptive helm-info bookmark pp helm-locate helm-grep
helm-regexp helm-external helm-net browse-url url url-proxy url-privacy
url-expand url-methods url-history url-cookie url-domsuf url-util
mailcap helm-utils helm-help helm-types helm-flx helm helm-source
helm-multi-match helm-lib hl-todo server ws-butler winum winner
window-purpose-x imenu-list imenu ibuf-ext ibuffer ibuffer-loaddefs
dired dired-loaddefs etags xref project volatile-highlights thrift
spacemacs-purpose-popwin window-purpose window-purpose-fixes
window-purpose-prefix-overload window-purpose-switch let-alist
window-purpose-layout window-purpose-core window-purpose-configuration
window-purpose-utils spaceline-config spaceline-segments spaceline
powerline powerline-separators powerline-themes smartparens-config
saveplace savehist quickrun em-banner pcomplete esh-var esh-io esh-cmd
esh-opt esh-ext esh-proc esh-arg esh-groups eshell esh-module esh-mode
esh-util protobuf-mode compile comint ansi-color cc-mode cc-fonts
cc-guess cc-menus cc-cmds cc-styles cc-align cc-engine cc-vars cc-defs
popwin persp-mode info+ image-mode go-rename fullframe flycheck-pos-tip
pos-tip flycheck find-func flx-ido flx fcitx dbus xml eyebrowse
format-spec evil-unimpaired f s ucs-normalize evil-textobj-line
evil-terminal-cursor-changer color evil-surround
evil-search-highlight-persist evil-numbers evil-lisp-state smartparens
dash evil-indent-plus evil-exchange evil-args evil-anzu anzu
eval-sexp-fu highlight editorconfig rx noutline outline
clean-aindent-mode centering-override-default
centering-override-no-center centering-override-center
centering-window-mode tex-site adaptive-wrap ab-osc52 hybrid-mode
exec-path-from-shell evil-evilified-state time-date which-key
use-package diminish bind-key hydra lv cus-edit cus-start cus-load evil
evil-integration undo-tree diff evil-maps evil-commands evil-jumps
evil-command-window evil-types evil-search evil-ex evil-macros
evil-repeat evil-states evil-core evil-common windmove thingatpt rect
evil-digraphs evil-vars ring info bind-map quelpa help-fns radix-tree
package-build mm-decode mm-bodies mm-encode mail-parse rfc2231 rfc2047
rfc2045 mm-util ietf-drums mail-prsvr json map lisp-mnt hl-line xt-mouse
autorevert filenotify disp-table wid-edit spacemacs-dark-theme
spacemacs-common finder-inf core-configuration-layer eieio-compat ht cl
warnings package epg-config url-handlers url-parse auth-source cl-seq
password-cache url-vars eieio eieio-core eieio-loaddefs
ido-vertical-mode ido seq byte-opt bytecomp byte-compile cl-extra
help-mode cconv core-spacemacs core-use-package-ext core-transient-state
core-micro-state core-toggle core-keybindings core-fonts-support
core-spacemacs-buffer core-funcs cl-macs gv core-themes-support
core-display-init core-jump core-release-management core-custom-settings
core-dotspacemacs core-command-line core-debug edmacro kmacro derived
advice profiler easymenu cl-loaddefs cl-lib page-break-lines easy-mmode
subr-x pcase mule-util china-util tooltip eldoc electric uniquify
ediff-hook vc-hooks lisp-float-type mwheel term/x-win x-win
term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe
tabulated-list replace newcomment text-mode elisp-mode lisp-mode
prog-mode register page menu-bar rfn-eshadow isearch timer select
scroll-bar mouse jit-lock font-lock syntax facemenu font-core
term/tty-colors frame cl-generic cham georgian utf-8-lang misc-lang
vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932
hebrew greek romanian slovak czech european ethiopic indian cyrillic
chinese composite charscript case-table epa-hook jka-cmpr-hook help
simple abbrev obarray minibuffer cl-preloaded 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 dbusbind inotify dynamic-setting system-font-setting
font-render-setting move-toolbar gtk x-toolkit x multi-tty
make-network-process emacs)

Memory information:
((conses 16 909774 708584)
 (symbols 48 65380 11)
 (miscs 40 6488 1313)
 (strings 32 179584 344688)
 (string-bytes 1 6641075)
 (vectors 16 97966)
 (vector-slots 8 1711165 161721)
 (floats 8 1944 3309)
 (intervals 56 12173 8886)
 (buffers 976 97))

bug#25697: 26.0.50; emacs freezes when first seeing unicode character ❌

[Eli Zaretskii]

> From: Amos Bird <amosbird@gmail.com>
> Date: Sun, 12 Feb 2017 22:56:37 +0800
> 
> Here is the stacktrace when freezing (about 20 seconds), 

Does it eventually come back and display the character?  If so, it is
simply looking for an appropriate font.  If you install the Symbola
font, I think the problem will go away.

Or maybe you have some font/fontset customizations that cause this?
Does the problem happen in "emacs -Q" as well?

Thanks.

bug#25697: 26.0.50; emacs freezes when first seeing unicode character ❌

[Amos Bird]

It does display the character, and I've got symbola installed. Clean
emacs start (emacs -Q) has the same problem.

I just removed nerd-fonts and the issue is gone. Thank you for pointing
me to the right direction. Cheers :)

Amos

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Amos Bird <amosbird@gmail.com>
>> Date: Sun, 12 Feb 2017 22:56:37 +0800
>> 
>> Here is the stacktrace when freezing (about 20 seconds), 
>
> Does it eventually come back and display the character?  If so, it is
> simply looking for an appropriate font.  If you install the Symbola
> font, I think the problem will go away.
>
> Or maybe you have some font/fontset customizations that cause this?
> Does the problem happen in "emacs -Q" as well?
>
> Thanks.

bug#25697: 26.0.50; emacs freezes when first seeing unicode character ❌

[Eli Zaretskii]

> From: Amos Bird <amosbird@gmail.com>
> Cc: 25697@debbugs.gnu.org
> Date: Mon, 13 Feb 2017 09:50:57 +0800
> 
> 
> It does display the character, and I've got symbola installed. Clean
> emacs start (emacs -Q) has the same problem.
> 
> I just removed nerd-fonts and the issue is gone. Thank you for pointing
> me to the right direction. Cheers :)

Thanks, I've now added the description of this to etc/PROBLEMS, and
I'm marking this bug done.