On 3/1/22 14:55, Eli Zaretskii wrote: > Thanks. > Can you show a full backtrace with one of the problematic fonts > (i.e. "bt full" command in GDB), from the crash location? The > backtrace you posted originally shows only the names of the functions, > it doesn't even show line numbers, let alone arguments to the > functions. You also didn't say which Emacs version is that (it will > become important if you post a more detailed backtrace). Thank you! As stated earlier, crash confirmed on Emacs: 27.2 | 28.0.60 | 29.0.50 Attached is gdb.txt (bt full output) from: In GNU Emacs 29.0.50 (build 2, x86_64-pc-linux-gnu, GTK+ Version 3.24.31, cairo version 1.17.4)  of 2022-03-01 built on wsxbox Repository revision: cde8e5afbb651f1be04b5e79db984d00d751ca04 Repository branch: master Windowing system distributor 'The X.Org Foundation', version 11.0.12101003 System Description: Arch Linux Configured using:  'configure --prefix=/home/wsx/dev/emacs/emacs29  --with-native-compilation --with-json --with-x-toolkit=gtk  --without-toolkit-scroll-bars 'CFLAGS=-O0 -g3 -flto  -fuse-linker-plugin' 'CXXFLAGS=-flto -fuse-linker-plugin'  --enable-checking=yes,glyphs --enable-check-lisp-object-type' Configured features: ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG JSON LCMS2 LIBOTF LIBSYSTEMD LIBXML2 M17N_FLT MODULES NATIVE_COMP NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SOUND SQLITE3 THREADS TIFF WEBP X11 XDBE XIM XPM GTK3 ZLIB Important settings:   value of $LC_COLLATE: en_US.UTF-8   value of $LC_CTYPE: en_US.UTF-8   value of $LC_MESSAGES: en_US.UTF-8   value of $LC_MONETARY: en_US.UTF-8   value of $LC_NUMERIC: en_US.UTF-8   value of $LC_TIME: en_US.UTF-8   value of $LANG: en_US.UTF-8   locale-coding-system: utf-8-unix Major mode: Lisp Interaction Minor modes in effect:   tooltip-mode: t   global-eldoc-mode: t   eldoc-mode: t   show-paren-mode: t   electric-indent-mode: t   mouse-wheel-mode: t   tool-bar-mode: t   menu-bar-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   line-number-mode: t   indent-tabs-mode: t   transient-mark-mode: t Load-path shadows: None found. Features: (misearch multi-isearch thingatpt vc-git diff-mode easy-mmode vc-dispatcher pp shadow sort mail-extr emacsbug message mailcap yank-media rmc puny dired dired-loaddefs rfc822 mml mml-sec password-cache epa derived epg rfc6068 epg-config gnus-util text-property-search time-date mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils comp comp-cstr warnings rx cl-seq cl-macs cl-extra help-mode seq gv subr-x byte-opt cl-loaddefs cl-lib bytecomp byte-compile cconv iso-transl tooltip eldoc paren electric uniquify ediff-hook vc-hooks lisp-float-type elisp-mode 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 lisp-mode prog-mode register page tab-bar menu-bar rfn-eshadow isearch easymenu timer select scroll-bar mouse jit-lock font-lock syntax font-core term/tty-colors frame minibuffer 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 emoji-zwj charscript charprop case-table epa-hook jka-cmpr-hook help simple abbrev obarray cl-preloaded nadvice button loaddefs faces cus-face macroexp files window text-properties overlay sha1 md5 base64 format env code-pages mule custom widget keymap hashtable-print-readable backquote threads dbusbind inotify lcms2 dynamic-setting system-font-setting font-render-setting cairo move-toolbar gtk x-toolkit x multi-tty make-network-process native-compile emacs) Memory information: ((conses 16 133733 15522)  (symbols 48 7835 3)  (strings 32 35634 1101)  (string-bytes 1 1173151)  (vectors 16 26831)  (vector-slots 8 382150 17530)  (floats 8 49 36)  (intervals 56 265 0)  (buffers 992 13))