From unknown Sun Jun 22 17:14:17 2025 X-Loop: help-debbugs@gnu.org Subject: bug#26333: 26.0.50; Hang when displaying some special characters for the first time Resent-From: Steven Allen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 01 Apr 2017 19:22:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 26333 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: 26333@debbugs.gnu.org X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Received: via spool by submit@debbugs.gnu.org id=B.149107446328355 (code B ref -1); Sat, 01 Apr 2017 19:22:02 +0000 Received: (at submit) by debbugs.gnu.org; 1 Apr 2017 19:21:03 +0000 Received: from localhost ([127.0.0.1]:55951 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cuOa4-0007Me-U0 for submit@debbugs.gnu.org; Sat, 01 Apr 2017 15:21:02 -0400 Received: from eggs.gnu.org ([208.118.235.92]:45745) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cuOa2-0007MQ-A2 for submit@debbugs.gnu.org; Sat, 01 Apr 2017 15:20:59 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cuOZu-0005qm-10 for submit@debbugs.gnu.org; Sat, 01 Apr 2017 15:20:53 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50 autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:36921) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cuOZt-0005qQ-Lm for submit@debbugs.gnu.org; Sat, 01 Apr 2017 15:20:49 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36668) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cuOZq-0004Ju-9Q for bug-gnu-emacs@gnu.org; Sat, 01 Apr 2017 15:20:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cuOZm-0005mi-H7 for bug-gnu-emacs@gnu.org; Sat, 01 Apr 2017 15:20:46 -0400 Received: from outgoing-stata.csail.mit.edu ([128.30.2.210]:58038) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cuOZm-0005kj-9j for bug-gnu-emacs@gnu.org; Sat, 01 Apr 2017 15:20:42 -0400 Received: from starbuck-co.edge4.losangeles1.level3.net ([4.15.242.134] helo=localhost) by outgoing-stata.csail.mit.edu with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1cuOZg-0009Zh-K8 for bug-gnu-emacs@gnu.org; Sat, 01 Apr 2017 15:20:37 -0400 From: Steven Allen Date: Sat, 01 Apr 2017 12:20:35 -0700 Message-ID: <87pogwrl30.fsf@bistromath> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -4.0 (----) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -4.0 (----) 1. Start `emacs -Q` (GUI mode, GTK3). 2. Open a scratch buffer. 3. Insert a MATHMATICAL SANS-SERIF BOLD SMALL LAMBDA (0x1D77A): =F0=9D=9D=BA The first time this character is displayed, Emacs hangs for ~15 seconds pegging the CPU at 100%. Unfortunately, the profiler doesn't seem to notice/record this hang. Note 1: displaying this character in other applications (GTK3 or otherwise) does not exhibit the same issue. Note 2: C-g doesn't interrupt this hang. OS: Arch Linux Fonts (packages): - artwiz-fonts - bdf-unifont - cantarell-fonts - gsfonts - montecarlo-font - office-code-pro - siji-git - terminus-font - ttf-bitstream-vera - ttf-dejavu - ttf-font-awesome - ttf-freefont - ttf-google-fonts-git - ttf-ms-fonts - ttf-symbola - xorg-font-util - xorg-fonts-alias - xorg-fonts-encodings - xorg-fonts-misc In GNU Emacs 26.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.22.10) of 2017-03-30 built on bistromath Repository revision: 3a11b3e330e88a42386ac3a635330ebd9c610827 Windowing system distributor 'The X.Org Foundation', version 11.0.11903000 Recent messages: Starting new Ispell process /usr/bin/aspell with default dictionary... Spacemacs is ready. Loading /home/steb/.local/share/emacs/.cache/recentf...done Open the quickhelp. Skipping check for new version (reason: dotfile) Quit CPU profiler started s-; is undefined Quit CPU profiler stopped Configured using: 'configure --prefix=3D/usr --sysconfdir=3D/etc --libexecdir=3D/usr/lib --localstatedir=3D/var --mandir=3D/usr/share/man --with-gameuser=3D:games --without-selinux --without-pop --without-tiff --with-sound=3Dalsa --with-xft --with-modules --with-x-toolkit=3Dgtk3 --without-gconf --with-gsettings 'CFLAGS=3D-march=3Dnative -mtune=3Dnative -O2 -pipe -fstack-protector-strong --param=3Dssp-buffer-size=3D4' CPPFLAGS=3D-D_FORTIFY_SOURCE=3D2 LDFLAGS=3D-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,noexecstack,--hash= -style=3Dgnu' Configured features: XPM JPEG GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS NOTIFY ACL GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 MODULES LIBSYSTEMD Important settings: value of $LANG: en_US.utf8 locale-coding-system: utf-8-unix Major mode: Text Minor modes in effect: company-quickhelp-mode: t company-quickhelp-local-mode: t imagex-auto-adjust-mode: t flyspell-mode: t hl-todo-mode: t winum-mode: t winner-mode: t volatile-highlights-mode: t spaceline-info-mode: t save-place-mode: t savehist-mode: t popwin-mode: t persp-mode: t Info-breadcrumbs-in-mode-line-mode: t global-git-gutter+-mode: t flycheck-pos-tip-mode: t global-flycheck-mode: t flx-ido-mode: t eyebrowse-mode: t global-evil-surround-mode: t evil-surround-mode: t global-evil-search-highlight-persist: t evil-search-highlight-persist: t global-anzu-mode: t anzu-mode: t eval-sexp-fu-flash-mode: t counsel-mode: t ivy-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 recentf-mode: t dired-omit-mode: t global-git-commit-mode: t diff-auto-refine-mode: t async-bytecomp-package-mode: t shell-dirtrack-mode: t global-hl-line-mode: t xterm-mouse-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 window-divider-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 Load-path shadows: /home/steb/.local/share/emacs/elpa/org-bullets-20140918.1137/org-bullets hi= des /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/org-bullets /home/steb/.local/share/emacs/elpa/scala-mode-20170323.502/ob-scala hides /= home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-scala /home/steb/.local/share/emacs/elpa/ht-20161015.1945/ht hides /home/steb/.lo= cal/share/spacemacs/core/libs/ht /home/steb/.local/share/emacs/elpa/cmake-mode-20160928.505/cmake-mode hides= /usr/share/emacs/site-lisp/cmake-mode /home/steb/.local/share/emacs/elpa/notmuch-20170313.1712/notmuch-lib hides = 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usr/share/emacs/26.0.50/lisp/org/ob-scala /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-sass hides = /usr/share/emacs/26.0.50/lisp/org/ob-sass /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-C hides /us= r/share/emacs/26.0.50/lisp/org/ob-C /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-ruby hides = /usr/share/emacs/26.0.50/lisp/org/ob-ruby /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-R hides /us= r/share/emacs/26.0.50/lisp/org/ob-R /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-ref hides /= usr/share/emacs/26.0.50/lisp/org/ob-ref /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-python hide= s /usr/share/emacs/26.0.50/lisp/org/ob-python /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-plantuml hi= des /usr/share/emacs/26.0.50/lisp/org/ob-plantuml /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-picolisp hi= des /usr/share/emacs/26.0.50/lisp/org/ob-picolisp /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-perl hides = /usr/share/emacs/26.0.50/lisp/org/ob-perl /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-org hides /= usr/share/emacs/26.0.50/lisp/org/ob-org /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-octave hide= s /usr/share/emacs/26.0.50/lisp/org/ob-octave /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-ocaml hides= /usr/share/emacs/26.0.50/lisp/org/ob-ocaml /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-mscgen hide= s /usr/share/emacs/26.0.50/lisp/org/ob-mscgen /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-maxima hide= s /usr/share/emacs/26.0.50/lisp/org/ob-maxima /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-matlab hide= s /usr/share/emacs/26.0.50/lisp/org/ob-matlab /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-makefile hi= des /usr/share/emacs/26.0.50/lisp/org/ob-makefile /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-lob hides /= usr/share/emacs/26.0.50/lisp/org/ob-lob /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-lisp hides = /usr/share/emacs/26.0.50/lisp/org/ob-lisp /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-lilypond hi= des /usr/share/emacs/26.0.50/lisp/org/ob-lilypond /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-ledger hide= s /usr/share/emacs/26.0.50/lisp/org/ob-ledger /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-latex hides= /usr/share/emacs/26.0.50/lisp/org/ob-latex /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-keys hides = /usr/share/emacs/26.0.50/lisp/org/ob-keys /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-js hides /u= sr/share/emacs/26.0.50/lisp/org/ob-js /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-java hides = /usr/share/emacs/26.0.50/lisp/org/ob-java /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-io hides /u= sr/share/emacs/26.0.50/lisp/org/ob-io /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-haskell hid= es /usr/share/emacs/26.0.50/lisp/org/ob-haskell /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-gnuplot hid= es /usr/share/emacs/26.0.50/lisp/org/ob-gnuplot /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-exp hides /= usr/share/emacs/26.0.50/lisp/org/ob-exp /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-eval hides = /usr/share/emacs/26.0.50/lisp/org/ob-eval /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-emacs-lisp = hides /usr/share/emacs/26.0.50/lisp/org/ob-emacs-lisp /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob hides /usr/= share/emacs/26.0.50/lisp/org/ob /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-dot hides /= usr/share/emacs/26.0.50/lisp/org/ob-dot /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-ditaa hides= /usr/share/emacs/26.0.50/lisp/org/ob-ditaa /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-css hides /= usr/share/emacs/26.0.50/lisp/org/ob-css /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-core hides = /usr/share/emacs/26.0.50/lisp/org/ob-core /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-clojure hid= es /usr/share/emacs/26.0.50/lisp/org/ob-clojure /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-comint hide= s /usr/share/emacs/26.0.50/lisp/org/ob-comint /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-calc hides = /usr/share/emacs/26.0.50/lisp/org/ob-calc /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-awk hides /= usr/share/emacs/26.0.50/lisp/org/ob-awk /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/ob-asymptote h= ides /usr/share/emacs/26.0.50/lisp/org/ob-asymptote /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/org-loaddefs h= ides /usr/share/emacs/26.0.50/lisp/org/org-loaddefs /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/org-version hi= des /usr/share/emacs/26.0.50/lisp/org/org-version /home/steb/.local/share/emacs/elpa/org-plus-contrib-20170210/org-install hi= des /usr/share/emacs/26.0.50/lisp/org/org-install Features: (shadow sort company-oddmuse company-keywords company-etags company-gtags company-dabbrev-code company-dabbrev company-files company-capf company-cmake company-xcode company-clang company-semantic company-eclim company-template company-css company-nxml company-bbdb php-extras company-quickhelp company mail-extr emacsbug sendmail smex colir open-junk-file bookmark pp image+ image-file exwm exwm-input xcb-keysyms xcb-xkb exwm-manage exwm-floating xcb-cursor xcb-render exwm-layout exwm-workspace exwm-core xcb-ewmh xcb-icccm xcb xcb-xproto xcb-types flyspell ispell hl-todo xterm-color x86-lookup doc-view ws-butler winum winner volatile-highlights spaceline-config spaceline-segments spaceline powerline powerline-separators color powerline-themes saveplace savehist ruby-test-mode pcre2el rxt re-builder ruby-mode smie popwin persp-mode notmuch-message notmuch-mua notmuch-draft notmuch-maildir-fcc notmuch-address notmuch-company notmuch-parser notmuch-tag notmuch-lib notmuch-version notmuch-compat mm-view mml-smime smime dig nlinum linum nasm-mode imenu magithub magithub-ci magithub-issue magithub-proxy magithub-cache magithub-core git-rebase ivy-hydra info+ image-mode go-rename git-gutter-fringe+ fringe-helper git-gutter+ gh-common gh-profile s marshal flycheck-pos-tip pos-tip flycheck find-func flx-ido flx eyebrowse evil-surround evil-search-highlight-persist evil-numbers evil-magit evil-indent-plus evil-exchange evil-ediff evil-args evil-anzu anzu eval-sexp-fu highlight em-term term ehelp noutline outline drupal/pcomplete diff-hl vc-dir ewoc vc vc-dispatcher counsel jka-compr etags xref project swiper ivy delsel ivy-overlay ffap clean-aindent-mode tex-site asm-mode adaptive-wrap hybrid-mode evil-evilified-state 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 rect evil-digraphs evil-vars bind-map ediff-merg ediff-wind ediff-diff ediff-mult ediff-help ediff-init ediff-util ediff recentf tree-widget 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 esh-var esh-io esh-cmd esh-opt esh-ext esh-proc esh-arg esh-groups eshell esh-module esh-mode esh-util dired-x magit-repos magit-apply magit-wip magit-log magit-diff smerge-mode magit-core magit-autorevert magit-process magit-margin magit-mode magit-git crm magit-section magit-popup git-commit magit-utils vc-git diff-mode log-edit pcvs-util add-log with-editor async-bytecomp async tramp-sh tramp tramp-compat tramp-loaddefs trampver ucs-normalize shell pcomplete parse-time dash compile comint ansi-color ring goto-addr thingatpt bug-reference autoload tar-mode info mm-archive message dired dired-loaddefs format-spec rfc822 mml mml-sec epa gnus-util rmail rmail-loaddefs mailabbrev gmm-utils mailheader server pinentry epg mail-utils network-stream starttls url-http tls gnutls url-gw nsm puny url-cache url-auth url url-proxy url-privacy url-expand url-methods url-history url-cookie url-domsuf url-util mailcap 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 rx 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 stebalien 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 time-date mule-util xdg 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 986417 1002486) (symbols 48 70025 35) (miscs 40 284 1008) (strings 32 170233 319877) (string-bytes 1 5608065) (vectors 16 110815) (vector-slots 8 2569333 222112) (floats 8 460 902) (intervals 56 6174 560) (buffers 976 23)) From unknown Sun Jun 22 17:14:17 2025 X-Loop: help-debbugs@gnu.org Subject: bug#26333: 26.0.50; Hang when displaying some special characters for the first time Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 01 Apr 2017 20:46:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 26333 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Steven Allen Cc: 26333@debbugs.gnu.org Reply-To: Eli Zaretskii Received: via spool by 26333-submit@debbugs.gnu.org id=B26333.14910795124489 (code B ref 26333); Sat, 01 Apr 2017 20:46:02 +0000 Received: (at 26333) by debbugs.gnu.org; 1 Apr 2017 20:45:12 +0000 Received: from localhost ([127.0.0.1]:55987 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cuPtX-0001AK-Pj for submit@debbugs.gnu.org; Sat, 01 Apr 2017 16:45:12 -0400 Received: from eggs.gnu.org ([208.118.235.92]:51935) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cuPtV-0001A6-C4 for 26333@debbugs.gnu.org; Sat, 01 Apr 2017 16:45:09 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cuPtM-0000aV-7n for 26333@debbugs.gnu.org; Sat, 01 Apr 2017 16:45:04 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,RP_MATCHES_RCVD autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:51806) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cuPtM-0000aH-4i; Sat, 01 Apr 2017 16:45:00 -0400 Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:3026 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1cuPtK-0000hh-KQ; Sat, 01 Apr 2017 16:44:59 -0400 Date: Sat, 01 Apr 2017 23:44:58 +0300 Message-Id: <83lgrj5039.fsf@gnu.org> From: Eli Zaretskii In-reply-to: <87pogwrl30.fsf@bistromath> (message from Steven Allen on Sat, 01 Apr 2017 12:20:35 -0700) References: <87pogwrl30.fsf@bistromath> MIME-version: 1.0 Content-type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-Spam-Score: -5.0 (-----) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -5.0 (-----) > From: Steven Allen > Date: Sat, 01 Apr 2017 12:20:35 -0700 > > > 1. Start `emacs -Q` (GUI mode, GTK3). > 2. Open a scratch buffer. > 3. Insert a MATHMATICAL SANS-SERIF BOLD SMALL LAMBDA (0x1D77A): 𝝺 > > The first time this character is displayed, Emacs hangs for ~15 seconds > pegging the CPU at 100%. Unfortunately, the profiler doesn't seem to > notice/record this hang. That's normal: Emacs is looking for a font that can display this character. If you install the Symbola font, I think the search will be much faster. From unknown Sun Jun 22 17:14:17 2025 X-Loop: help-debbugs@gnu.org Subject: bug#26333: 26.0.50; Hang when displaying some special characters for the first time Resent-From: Steven Allen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 01 Apr 2017 22:02:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 26333 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Eli Zaretskii Cc: 26333@debbugs.gnu.org Received: via spool by 26333-submit@debbugs.gnu.org id=B26333.149108406618078 (code B ref 26333); Sat, 01 Apr 2017 22:02:01 +0000 Received: (at 26333) by debbugs.gnu.org; 1 Apr 2017 22:01:06 +0000 Received: from localhost ([127.0.0.1]:56015 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cuR4z-0004hV-QY for submit@debbugs.gnu.org; Sat, 01 Apr 2017 18:01:06 -0400 Received: from outgoing-stata.csail.mit.edu ([128.30.2.210]:45902) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cuR4v-0004hE-VJ for 26333@debbugs.gnu.org; Sat, 01 Apr 2017 18:01:02 -0400 Received: from 71-93-152-121.dhcp.ccmn.ca.charter.com ([71.93.152.121] helo=localhost) by outgoing-stata.csail.mit.edu with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1cuR4u-000PyR-D0; Sat, 01 Apr 2017 18:01:00 -0400 From: Steven Allen In-Reply-To: <83lgrj5039.fsf@gnu.org> References: <87pogwrl30.fsf@bistromath> <83lgrj5039.fsf@gnu.org> Date: Sat, 01 Apr 2017 15:00:58 -0700 Message-ID: <87fuhriy91.fsf@bistromath> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -2.3 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.3 (--) So, I could have sworn I tested this with emacs -Q when I first found the bug (I've been sitting on it for a while) but I guess I didn't. I apologize. It only reproduces for certain fonts. Known Bad: Source Code Pro, Office Code Pro, Fira Mono Known Good: Symbola, DejaVu Sans Mono (the default on my system) So, to reproduce, evaluate the following before pasting the special character. (set-face-attribute 'default nil :font "Source Code Pro-10") Eli Zaretskii writes: > That's normal: Hardly. 15 seconds is a *long* time for a computer and every other application displays the character in question instantly. Not even regenerating my entire font cache (fc-cache) takes that long. > If you install the Symbola font, I think the search will > be much faster. I do have Symbola installed and the character does display correctly eventually. From unknown Sun Jun 22 17:14:17 2025 X-Loop: help-debbugs@gnu.org Subject: bug#26333: 26.0.50; Hang when displaying some special characters for the first time Resent-From: Andreas Politz Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 01 Apr 2017 22:50:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 26333 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Steven Allen Cc: Eli Zaretskii , 26333@debbugs.gnu.org Received: via spool by 26333-submit@debbugs.gnu.org id=B26333.149108695222397 (code B ref 26333); Sat, 01 Apr 2017 22:50:02 +0000 Received: (at 26333) by debbugs.gnu.org; 1 Apr 2017 22:49:12 +0000 Received: from localhost ([127.0.0.1]:56047 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cuRpX-0005pB-OT for submit@debbugs.gnu.org; Sat, 01 Apr 2017 18:49:11 -0400 Received: from gateway-a.fh-trier.de ([143.93.54.181]:40791) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cuRpV-0005ow-CI for 26333@debbugs.gnu.org; Sat, 01 Apr 2017 18:49:10 -0400 X-Virus-Scanned: by Amavisd-new + McAfee uvscan + ClamAV [Rechenzentrum Hochschule Trier (RZ/HT)] Received: from localhost (ip5f5bdecf.dynamic.kabel-deutschland.de [95.91.222.207]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: politza) by gateway-a.fh-trier.de (Postfix) with ESMTPSA id 14700179B786; Sun, 2 Apr 2017 00:48:49 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha1; c=simple/simple; d=hochschule-trier.de; s=default; t=1491086929; bh=aSYqfJleJBR1yFeO9NISnaAJY/8=; h=From:To:Cc:Subject:References:Date:In-Reply-To:Message-ID: MIME-Version:Content-Type; b=GdVQGG0LcVtQHys/xi0JCMw1SlCViz0dWxAAqTVt02FJiK5WsF1Fb8MN9tiepYvgr TJXwftTeDsWDC+hUCQJr3VFRpRON2gWjXZ7MAK1+22GV/jQrVonjgG7bCJ4SMEUSsL bhAv9MpC+q2+1RwLVo2iNKn8NBbZysGNUGguqVdA= From: Andreas Politz References: <87pogwrl30.fsf@bistromath> <83lgrj5039.fsf@gnu.org> <87fuhriy91.fsf@bistromath> Date: Sun, 02 Apr 2017 00:48:48 +0200 In-Reply-To: <87fuhriy91.fsf@bistromath> (Steven Allen's message of "Sat, 01 Apr 2017 15:00:58 -0700") Message-ID: <87a87zn3qn.fsf@luca> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -2.3 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.3 (--) Steven Allen writes: > It only reproduces for certain fonts. [...] > So, to reproduce, evaluate the following before pasting the special > character. > > (set-face-attribute 'default nil :font "Source Code Pro-10") > > [...] Takes less than a second here. Looks like the behavior depends on more than the default font. -ap From unknown Sun Jun 22 17:14:17 2025 X-Loop: help-debbugs@gnu.org Subject: bug#26333: 26.0.50; Hang when displaying some special characters for the first time Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 02 Apr 2017 16:36:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 26333 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Steven Allen Cc: 26333@debbugs.gnu.org Reply-To: Eli Zaretskii Received: via spool by 26333-submit@debbugs.gnu.org id=B26333.149115094932226 (code B ref 26333); Sun, 02 Apr 2017 16:36:02 +0000 Received: (at 26333) by debbugs.gnu.org; 2 Apr 2017 16:35:49 +0000 Received: from localhost ([127.0.0.1]:57688 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cuiTk-0008Ng-ET for submit@debbugs.gnu.org; Sun, 02 Apr 2017 12:35:49 -0400 Received: from eggs.gnu.org ([208.118.235.92]:49209) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cuiTi-0008NS-S4 for 26333@debbugs.gnu.org; Sun, 02 Apr 2017 12:35:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cuiTa-0001sy-G0 for 26333@debbugs.gnu.org; Sun, 02 Apr 2017 12:35:41 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,RP_MATCHES_RCVD autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:59827) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cuiTa-0001st-E2; Sun, 02 Apr 2017 12:35:38 -0400 Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:1593 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1cuiTY-0002am-1Z; Sun, 02 Apr 2017 12:35:38 -0400 Date: Sun, 02 Apr 2017 19:35:37 +0300 Message-Id: <83zifypy1y.fsf@gnu.org> From: Eli Zaretskii In-reply-to: <87fuhriy91.fsf@bistromath> (message from Steven Allen on Sat, 01 Apr 2017 15:00:58 -0700) References: <87pogwrl30.fsf@bistromath> <83lgrj5039.fsf@gnu.org> <87fuhriy91.fsf@bistromath> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-Spam-Score: -5.0 (-----) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -5.0 (-----) > From: Steven Allen > Cc: 26333@debbugs.gnu.org > Date: Sat, 01 Apr 2017 15:00:58 -0700 > > > So, I could have sworn I tested this with emacs -Q when I first found > the bug (I've been sitting on it for a while) but I guess I didn't. I > apologize. > > It only reproduces for certain fonts. > > Known Bad: Source Code Pro, Office Code Pro, Fira Mono > Known Good: Symbola, DejaVu Sans Mono (the default on my system) > > So, to reproduce, evaluate the following before pasting the special > character. > > (set-face-attribute 'default nil :font "Source Code Pro-10") Is this the only thing one has to do, in "emacs -Q", in order to reproduce the problem with these fonts? Or do you have other font-related customizations on your init files? > Eli Zaretskii writes: > > That's normal: > > Hardly. 15 seconds is a *long* time for a computer and every other > application displays the character in question instantly. Not even > regenerating my entire font cache (fc-cache) takes that long. I meant "normal" as in "Emacs is known to do that sometimes when searching for a font". I'm not sure comparison with other applications is valid, as Emacs attempts to solve a more complex problem, and its font-searching algorithms are biased in favor of finding fonts which support scripts and languages, not symbols. As for comparison with fc-cache, Emacs many times examines each font several times with different options, so it could be slower. > > If you install the Symbola font, I think the search will > > be much faster. > > I do have Symbola installed and the character does display correctly > eventually. Is it eventually displayed using Symbola or some other font? From unknown Sun Jun 22 17:14:17 2025 X-Loop: help-debbugs@gnu.org Subject: bug#26333: 26.0.50; Hang when displaying some special characters for the first time Resent-From: Steven Allen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 02 Apr 2017 17:21:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 26333 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Eli Zaretskii Received: via spool by 26333-submit@debbugs.gnu.org id=B26333.14911536513970 (code B ref 26333); Sun, 02 Apr 2017 17:21:02 +0000 Received: (at 26333) by debbugs.gnu.org; 2 Apr 2017 17:20:51 +0000 Received: from localhost ([127.0.0.1]:57711 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cujBL-00011y-1Y for submit@debbugs.gnu.org; Sun, 02 Apr 2017 13:20:51 -0400 Received: from outgoing-stata.csail.mit.edu ([128.30.2.210]:54149) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cujBH-00011p-RY for 26333@debbugs.gnu.org; Sun, 02 Apr 2017 13:20:48 -0400 Received: from starbuck-co.edge4.losangeles1.level3.net ([4.15.242.134] helo=localhost) by outgoing-stata.csail.mit.edu with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1cujBG-000Uw9-7u for 26333@debbugs.gnu.org; Sun, 02 Apr 2017 13:20:46 -0400 Resent-To: 26333@debbugs.gnu.org Resent-From: Steven Allen Resent-Date: Sun, 02 Apr 2017 10:20:44 -0700 Resent-Message-ID: <87wpb2hgk3.fsf@bistromath> From: Steven Allen In-Reply-To: <83zifypy1y.fsf@gnu.org> References: <87pogwrl30.fsf@bistromath> <83lgrj5039.fsf@gnu.org> <87fuhriy91.fsf@bistromath> <83zifypy1y.fsf@gnu.org> Date: Sun, 02 Apr 2017 10:14:00 -0700 Message-ID: <87wpb2bulj.fsf@bistromath> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -2.3 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.3 (--) Eli Zaretskii writes: > Is this the only thing one has to do, in "emacs -Q", in order to > reproduce the problem with these fonts? Or do you have other > font-related customizations on your init files? That's the only thing I have to do. Evaluate that, paste the character in question, and then wait. Eli Zaretskii writes: > I meant "normal" as in "Emacs is known to do that sometimes when > searching for a font". Emacs is also known to sometimes crash. That doesn't make this behavior "normal". I'd understand "expected behavior" but I'd disagree (15 seconds is a *really* long time to hang just to lookup a font). Eli Zaretskii writes: > I'm not sure comparison with other applications is valid, as Emacs > attempts to solve a more complex problem, and its font-searching > algorithms are biased in favor of finding fonts which support scripts > and languages, not symbols. How are those any different? From a computer's perspective, they're all just Unicode blocks. Regardless, if this is the case, one could solve this problem by simply stacking the algorithms: execute the normal (fast) search first and fallback on Emacs' complex (slow) search. However, I kind of doubt this is a fundamental limitation in the current font search algorithm. Eli Zaretskii writes: > Is it eventually displayed using Symbola or some other font? Symbola. However, when the default font is DejaVu, it's displayed with "DejaVu Math TeX Gyre" (a different font in a different file). From unknown Sun Jun 22 17:14:17 2025 X-Loop: help-debbugs@gnu.org Subject: bug#26333: 26.0.50; Hang when displaying some special characters for the first time Resent-From: Steven Allen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 02 Apr 2017 17:45:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 26333 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: 26333@debbugs.gnu.org Received: via spool by 26333-submit@debbugs.gnu.org id=B26333.14911550436071 (code B ref 26333); Sun, 02 Apr 2017 17:45:01 +0000 Received: (at 26333) by debbugs.gnu.org; 2 Apr 2017 17:44:03 +0000 Received: from localhost ([127.0.0.1]:57717 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cujXm-0001Zp-V2 for submit@debbugs.gnu.org; Sun, 02 Apr 2017 13:44:03 -0400 Received: from outgoing-stata.csail.mit.edu ([128.30.2.210]:54279) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cujXj-0001ZI-Kl for 26333@debbugs.gnu.org; Sun, 02 Apr 2017 13:44:01 -0400 Received: from starbuck-co.edge4.losangeles1.level3.net ([4.15.242.134] helo=localhost) by outgoing-stata.csail.mit.edu with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1cujXi-000X58-Tq for 26333@debbugs.gnu.org; Sun, 02 Apr 2017 13:43:59 -0400 From: Steven Allen In-Reply-To: <87wpb2bulj.fsf@bistromath> References: <87pogwrl30.fsf@bistromath> <83lgrj5039.fsf@gnu.org> <87fuhriy91.fsf@bistromath> <83zifypy1y.fsf@gnu.org> <87wpb2bulj.fsf@bistromath> Date: Sun, 02 Apr 2017 10:43:57 -0700 Message-ID: <87r31apuw2.fsf@bistromath> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -2.3 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.3 (--) A workaround is to manually specify that "DejaVu Maath TeX Gyre" should be used: (defun font--configure (&optional frame) (let ((font (font-spec :name "DejaVu Math TeX Gyre"))) (set-fontset-font t '(#x1D400 . #x1D7FF) font frame))) (add-hook 'after-make-frame-functions #'font--configure) (font--configure) From unknown Sun Jun 22 17:14:17 2025 X-Loop: help-debbugs@gnu.org Subject: bug#26333: 26.0.50; Hang when displaying some special characters for the first time Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 23 Jan 2022 16:18:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 26333 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Steven Allen Cc: 26333@debbugs.gnu.org Received: via spool by 26333-submit@debbugs.gnu.org id=B26333.16429546464800 (code B ref 26333); Sun, 23 Jan 2022 16:18:01 +0000 Received: (at 26333) by debbugs.gnu.org; 23 Jan 2022 16:17:26 +0000 Received: from localhost ([127.0.0.1]:40955 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nBfYT-0001F7-Qy for submit@debbugs.gnu.org; Sun, 23 Jan 2022 11:17:26 -0500 Received: from quimby.gnus.org ([95.216.78.240]:39840) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nBfYS-00019i-0z for 26333@debbugs.gnu.org; Sun, 23 Jan 2022 11:17:24 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID :In-Reply-To:Date:References:Subject:Cc:To:From:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=crArVHwBkUHd3JVvKjT0DNyeI48jsEsEH4uAADgAAq4=; b=YIrQZn39ZZ4ueMFizDP6Nj07xn KpRDw+2X9O3J4TGQyAqqWWSY/ud9jAk/Du2O6zCouQLJB6ThLjYlyH7sgzyRVtc3Suc3QGHip6Ywg uLndL12p/XtmiXvvlAR9FVy7dduc3veOH4p7vtM6vKFhJfAl9aW6pjLeAr7Ek7RR3TOc=; Received: from [84.212.220.105] (helo=giant) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nBfYJ-0006VA-I7; Sun, 23 Jan 2022 17:17:18 +0100 From: Lars Ingebrigtsen References: <87pogwrl30.fsf@bistromath> X-Now-Playing: Hector Zazou's _Reivax au Congo_: "Un Heros" Date: Sun, 23 Jan 2022 17:17:15 +0100 In-Reply-To: <87pogwrl30.fsf@bistromath> (Steven Allen's message of "Sat, 01 Apr 2017 12:20:35 -0700") Message-ID: <87tudu77g4.fsf@gnus.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Report: Spam detection software, running on the system "quimby.gnus.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: Steven Allen writes: > 1. Start `emacs -Q` (GUI mode, GTK3). > 2. Open a scratch buffer. > 3. Insert a MATHMATICAL SANS-SERIF BOLD SMALL LAMBDA (0x1D77A): =?UTF-8?Q?=F0=9D=9D=BA?= > > The first time this character is displayed, Emacs hangs f [...] Content analysis details: (-2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-Spam-Score: -2.3 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) Steven Allen writes: > 1. Start `emacs -Q` (GUI mode, GTK3). > 2. Open a scratch buffer. > 3. Insert a MATHMATICAL SANS-SERIF BOLD SMALL LAMBDA (0x1D77A): =F0=9D=9D= =BA > > The first time this character is displayed, Emacs hangs for ~15 seconds > pegging the CPU at 100%. Unfortunately, the profiler doesn't seem to > notice/record this hang. (I'm going through old bug reports that unfortunately weren't resolved at the time.) I'm unable to reproduce this problem in Emacs 28, but then again, this problem seems to rely on a particular set of fonts being installed. Are you still seeing the problem in recent Emacs versions? --=20 (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no From debbugs-submit-bounces@debbugs.gnu.org Sun Jan 23 11:17:34 2022 Received: (at control) by debbugs.gnu.org; 23 Jan 2022 16:17:34 +0000 Received: from localhost ([127.0.0.1]:40958 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nBfYc-0001La-8g for submit@debbugs.gnu.org; Sun, 23 Jan 2022 11:17:34 -0500 Received: from quimby.gnus.org ([95.216.78.240]:39854) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nBfYa-0001Fp-5L for control@debbugs.gnu.org; Sun, 23 Jan 2022 11:17:32 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Subject:From:To:Message-Id:Date:Sender:Reply-To:Cc: MIME-Version:Content-Type:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=AKOAfCzjZhmRoNM46mg5GP+s31974n2riZcaekou8us=; b=EKTEmH/Q2ctgtXX4ylWjuBSjgD Y9/Ruz0E1GPFcGBaQklVAIHONpL6VqCdc865Midl7LvYQtA5yiOje6pFr4fsvJ1bDRZp1vq/bLIeL kJg/yBpmkxi9UqBIpfbliLmj+UhjWuXyTdaVYLATkQIftxeSiXbFH9S9oWnQbeejQaek=; Received: from [84.212.220.105] (helo=giant) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nBfYS-0006VI-Ch for control@debbugs.gnu.org; Sun, 23 Jan 2022 17:17:26 +0100 Date: Sun, 23 Jan 2022 17:17:20 +0100 Message-Id: <87sfte77fz.fsf@gnus.org> To: control@debbugs.gnu.org From: Lars Ingebrigtsen Subject: control message for bug #26333 X-Spam-Report: Spam detection software, running on the system "quimby.gnus.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: tags 26333 + moreinfo quit Content analysis details: (-2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) tags 26333 + moreinfo quit From unknown Sun Jun 22 17:14:17 2025 X-Loop: help-debbugs@gnu.org Subject: bug#26333: 26.0.50; Hang when displaying some special characters for the first time Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 23 Jan 2022 16:46:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 26333 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo To: Lars Ingebrigtsen Cc: 26333@debbugs.gnu.org, steven@stebalien.com Received: via spool by 26333-submit@debbugs.gnu.org id=B26333.164295635319981 (code B ref 26333); Sun, 23 Jan 2022 16:46:02 +0000 Received: (at 26333) by debbugs.gnu.org; 23 Jan 2022 16:45:53 +0000 Received: from localhost ([127.0.0.1]:41044 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nBg00-0005CD-Np for submit@debbugs.gnu.org; Sun, 23 Jan 2022 11:45:52 -0500 Received: from eggs.gnu.org ([209.51.188.92]:52386) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nBfzz-0005Bl-1S for 26333@debbugs.gnu.org; Sun, 23 Jan 2022 11:45:51 -0500 Received: from [2001:470:142:3::e] (port=43462 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nBfzt-0001QX-Ma; Sun, 23 Jan 2022 11:45:45 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-version:References:Subject:In-Reply-To:To:From: Date; bh=NQs3fXwetOEEudgUnPU9INgIpm+9IiYzvHpMKUMmqhY=; b=etkRAkUSuiA8pcHmCtOk 4vPE8SIViE/9BTvIx9iEpvnRq8FNWZi8rpm6moJ/aiQYNhet8qk7FhJPKZT9t8RLvXafp1B6/b90Y e27NAsOOxHjITeGQqZPbOOWZgQkyyNDB8xEbL+Ow4FEDXjkUbWjEUgu6FvwSo9um2BQ3juZeIsYf6 o/7g9x5yrciCSv1P4IzqLrKkk9YxQ8glzRJdzWO1xmGC9HpEYgafRFMpr+bhXQ3yOLuxeCRnt7adY U4J2BG0un5HA26nFM7hi0uEaWH3q67/SDWNbENvGxtl+UAKFBDY9i3l2NRBqHW3juhoR5p6j/qMHI 9juK4kx6tqBd5g==; Received: from [87.69.77.57] (port=3684 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nBfzV-0007Ra-NX; Sun, 23 Jan 2022 11:45:45 -0500 Date: Sun, 23 Jan 2022 18:44:59 +0200 Message-Id: <83fspel7uc.fsf@gnu.org> From: Eli Zaretskii In-Reply-To: <87tudu77g4.fsf@gnus.org> (message from Lars Ingebrigtsen on Sun, 23 Jan 2022 17:17:15 +0100) References: <87pogwrl30.fsf@bistromath> <87tudu77g4.fsf@gnus.org> MIME-version: 1.0 Content-type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Spam-Score: -2.3 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) > From: Lars Ingebrigtsen > Date: Sun, 23 Jan 2022 17:17:15 +0100 > Cc: 26333@debbugs.gnu.org > > Steven Allen writes: > > > 1. Start `emacs -Q` (GUI mode, GTK3). > > 2. Open a scratch buffer. > > 3. Insert a MATHMATICAL SANS-SERIF BOLD SMALL LAMBDA (0x1D77A): 𝝺 > > > > The first time this character is displayed, Emacs hangs for ~15 seconds > > pegging the CPU at 100%. Unfortunately, the profiler doesn't seem to > > notice/record this hang. > > (I'm going through old bug reports that unfortunately weren't resolved > at the time.) > > I'm unable to reproduce this problem in Emacs 28, but then again, this > problem seems to rely on a particular set of fonts being installed. It could be that those 15 sec is what Emacs needs to search the available fonts before it finds the one that can display the character. From unknown Sun Jun 22 17:14:17 2025 X-Loop: help-debbugs@gnu.org Subject: bug#26333: 26.0.50; Hang when displaying some special characters for the first time Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 23 Jan 2022 17:02:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 26333 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo To: larsi@gnus.org Cc: 26333@debbugs.gnu.org, steven@stebalien.com Received: via spool by 26333-submit@debbugs.gnu.org id=B26333.164295728022261 (code B ref 26333); Sun, 23 Jan 2022 17:02:02 +0000 Received: (at 26333) by debbugs.gnu.org; 23 Jan 2022 17:01:20 +0000 Received: from localhost ([127.0.0.1]:41117 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nBgEy-0005mx-F6 for submit@debbugs.gnu.org; Sun, 23 Jan 2022 12:01:20 -0500 Received: from eggs.gnu.org ([209.51.188.92]:54888) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nBgEw-0005mk-UO for 26333@debbugs.gnu.org; Sun, 23 Jan 2022 12:01:19 -0500 Received: from [2001:470:142:3::e] (port=43676 helo=fencepost.gnu.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nBgEq-0003ql-Kk; Sun, 23 Jan 2022 12:01:12 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=wm9UfXqWiUyh1ThIeU+btCEwqIX+dJIik6zN+idJzdk=; b=Z9vpXVkC/9BB 7vXqlAXycUUVckwHlkhgi68no4hDkIAyxrP2VRVIGjnU8cPyCmjgl5a22s5DFvOd+1Z5KNMpVRuo2 IPxPDfcvkTE32guofwB3JzeNS1TSCGsU8uc5R6q5WH4aqaDZy1LL4VmdaHxjtQmJe6J7Wu6VUJQQA vyIaCzT5FlOh6sdaiw7WIpA7Oec7NKBmNAKoQp1vsPNrwAaeXLHN/52t+XDbmwnt0EOT6q/W9Fjd8 mJrIaaw9Hoxryq09J6FMME+dj2GWn9mvYbzCAbHBTL8Ef6mSHk/RnfPE22I9ytixc4xhAdsteINED IVZWydQ2OgyT09ATQnv1sg==; Received: from [87.69.77.57] (port=4676 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nBgEp-0001Ux-3p; Sun, 23 Jan 2022 12:01:12 -0500 Date: Sun, 23 Jan 2022 19:00:51 +0200 Message-Id: <83czkil73w.fsf@gnu.org> From: Eli Zaretskii In-Reply-To: <83fspel7uc.fsf@gnu.org> (message from Eli Zaretskii on Sun, 23 Jan 2022 18:44:59 +0200) References: <87pogwrl30.fsf@bistromath> <87tudu77g4.fsf@gnus.org> <83fspel7uc.fsf@gnu.org> X-Spam-Score: -2.3 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) > Date: Sun, 23 Jan 2022 18:44:59 +0200 > From: Eli Zaretskii > Cc: 26333@debbugs.gnu.org, steven@stebalien.com > > It could be that those 15 sec is what Emacs needs to search the > available fonts before it finds the one that can display the > character. Oops, I see that I already said that, and the OP didn't like it, to say the least. From unknown Sun Jun 22 17:14:17 2025 X-Loop: help-debbugs@gnu.org Subject: bug#26333: 26.0.50; Hang when displaying some special characters for the first time Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 20 Feb 2022 19:33:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 26333 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo To: Steven Allen Cc: 26333@debbugs.gnu.org Received: via spool by 26333-submit@debbugs.gnu.org id=B26333.164538553730606 (code B ref 26333); Sun, 20 Feb 2022 19:33:02 +0000 Received: (at 26333) by debbugs.gnu.org; 20 Feb 2022 19:32:17 +0000 Received: from localhost ([127.0.0.1]:33823 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nLrwO-0007xa-QE for submit@debbugs.gnu.org; Sun, 20 Feb 2022 14:32:16 -0500 Received: from quimby.gnus.org ([95.216.78.240]:58758) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nLrwN-0007xD-EV for 26333@debbugs.gnu.org; Sun, 20 Feb 2022 14:32:15 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date: References:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=ddVRphBQDODBk5a7iDBQbSFdqphnNjGyaRdTi62arNI=; b=SPBOLoyrGEaq6DhRZ7cSm5zjup bQu1e1idAdI04JMoGKOB5EqPrskdxNYDdqIPBBJY9pTHOCJRhOZykaZEAOHDA38+HhVp1sKLl5xr8 Xy2WC1yz6KcDRMjaSfnmNzi6AMHn2TB3414xKJBDx00Sif6QvxtdJQ0FIkRAEHrJLj14=; Received: from [84.212.220.105] (helo=giant) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nLrwD-0005XI-Ix; Sun, 20 Feb 2022 20:32:09 +0100 From: Lars Ingebrigtsen References: <87pogwrl30.fsf@bistromath> <87tudu77g4.fsf@gnus.org> X-Now-Playing: DJ Screw's _All Work, No Play_: "DJ Screw Lil Keke South Side feat Lil Keke " Date: Sun, 20 Feb 2022 20:32:03 +0100 In-Reply-To: <87tudu77g4.fsf@gnus.org> (Lars Ingebrigtsen's message of "Sun, 23 Jan 2022 17:17:15 +0100") Message-ID: <87mtilmj0s.fsf@gnus.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Report: Spam detection software, running on the system "quimby.gnus.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: Lars Ingebrigtsen writes: > I'm unable to reproduce this problem in Emacs 28, but then again, this > problem seems to rely on a particular set of fonts being installed. > > Are you still seeing the problem in recent Emacs vers [...] Content analysis details: (-2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-Spam-Score: -2.3 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) Lars Ingebrigtsen writes: > I'm unable to reproduce this problem in Emacs 28, but then again, this > problem seems to rely on a particular set of fonts being installed. > > Are you still seeing the problem in recent Emacs versions? More information was requested, but no response was given within a month, so I'm closing this bug report. If the problem still exists, please respond to this email and we'll reopen the bug report. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no From debbugs-submit-bounces@debbugs.gnu.org Sun Feb 20 14:32:25 2022 Received: (at control) by debbugs.gnu.org; 20 Feb 2022 19:32:25 +0000 Received: from localhost ([127.0.0.1]:33834 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nLrwW-0007yH-VY for submit@debbugs.gnu.org; Sun, 20 Feb 2022 14:32:25 -0500 Received: from quimby.gnus.org ([95.216.78.240]:58772) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1nLrwT-0007xP-3J for control@debbugs.gnu.org; Sun, 20 Feb 2022 14:32:21 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Subject:From:To:Message-Id:Date:Sender:Reply-To:Cc: MIME-Version:Content-Type:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=xls9wXsu3N6SYcNn2+QuZZ7xNKgYPxZOAKv3CE54cY4=; b=eiWD1u5RMOxc456u2FXdoZwp7T S4bpv76tytNF8xh8WcCj1ZikFVu7CPJh2RSP7ofCiMd7NKmtIeHb2uOnQcRdkLqlUhhx5tpgN2djR MTRu38eN4V3+tk+FW3ELiTmGNM/FVZZ7BNtetVsIsO2+ceQ6aJUEZOglGzEn3Db+vlcE=; Received: from [84.212.220.105] (helo=giant) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nLrwK-0005Xi-T5 for control@debbugs.gnu.org; Sun, 20 Feb 2022 20:32:15 +0100 Date: Sun, 20 Feb 2022 20:32:11 +0100 Message-Id: <87ley5mj0k.fsf@gnus.org> To: control@debbugs.gnu.org From: Lars Ingebrigtsen Subject: control message for bug #26333 X-Spam-Report: Spam detection software, running on the system "quimby.gnus.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: close 26333 quit Content analysis details: (-2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) close 26333 quit