The CAD department built 25.3 again, this time, with libotf. But I still get the segmentation fault. See the backtrace below. The backtrace looks different this time though.. "xdisp.c: No such file or directory"!? Emacs version: GNU Emacs 25.3.1 (x86_64-unknown-linux-gnu, GTK+ Version 2.24.23) of 2017-10-30, built using commit . ./configure options: --prefix=/cad/adi/apps/gnu/linux/x86_64/6/local/emacs/25.3 --with-modules Features: XPM JPEG TIFF GIF PNG RSVG SOUND DBUS GCONF NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS GTK2 X11 MODULES ===== Starting program: /cad/adi/apps/gnu/linux/x86_64/6/local/emacs/25.3/bin/emacs [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". [New Thread 0x7fffef071700 (LWP 10664)] Thread 1 "emacs" received signal SIGSEGV, Segmentation fault. 0x000000000043d101 in append_glyph (it=0x7fffffff2390) at xdisp.c:25880 25880 xdisp.c: No such file or directory. (gdb) bt #0 0x000000000043d101 in append_glyph (it=0x7fffffff2390) at xdisp.c:25880 #1 x_produce_glyphs (it=0x7fffffff2390) at xdisp.c:27175 #2 0x0000000000452032 in display_line (it=0x7fffffff2390) at xdisp.c:20676 #3 0x0000000000457868 in try_window (window=18793157, pos=..., flags=1) at xdisp.c:17251 #4 0x0000000000460e41 in redisplay_window (window=18793157, just_this_one_p=false) at xdisp.c:16700 #5 0x0000000000463b36 in redisplay_window_0 (window=) at xdisp.c:14491 #6 0x000000000055e7c6 in internal_condition_case_1 (bfun=0x463b10 , arg=18793157, handlers=, hfun=0x429b40 ) at eval.c:1339 #7 0x000000000044612e in redisplay_windows (window=) at xdisp.c:14471 #8 0x000000000045cfd5 in redisplay_internal () at xdisp.c:14031 #9 0x00000000004f5299 in read_char (commandflag=1, map=109811619, prev_event=0, used_mouse_menu=0x7fffffffb11f, end_time=0x0) at keyboard.c:2482 #10 0x00000000004f90c0 in read_key_sequence (keybuf=0x7fffffffb190, prompt=0, dont_downcase_last=false, can_return_switch_frame=true, fix_current_buffer=true, prevent_redisplay=false, bufsize=30) at keyboard.c:9068 #11 0x00000000004fa3ba in command_loop_1 () at keyboard.c:1370 #12 0x000000000055e82a in internal_condition_case (bfun=0x4fa1f0 , handlers=, hfun=0x4f8200 ) at eval.c:1315 #13 0x00000000004f81ec in command_loop_2 (ignore=) at keyboard.c:1112 #14 0x000000000055e8b8 in internal_catch (tag=, func=0x4f81d0 , arg=0) at eval.c:1080 #15 0x00000000004f7f67 in command_loop () at keyboard.c:1091 #16 0x00000000004f7ff5 in recursive_edit_1 () at keyboard.c:697 #17 0x00000000004f8135 in Frecursive_edit () at keyboard.c:768 #18 0x00000000004e997e in main (argc=, argv=) at emacs.c:1629 -- Kaushal Modi