Hi folks, Here's a new segfault: Program received signal SIGABRT, Aborted. 0x00007ffff130920b in raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:37 37 ../nptl/sysdeps/unix/sysv/linux/pt-raise.c: No such file or directory. (gdb) backtrace #0 0x00007ffff130920b in raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:37 #1 0x00000000004eafc1 in terminate_due_to_signal (sig=sig@entry=6, backtrace_limit=backtrace_limit@entry=40) at emacs.c:398 #2 0x00000000005034e3 in emacs_abort () at sysdep.c:2217 #3 0x00000000004a6e2f in bidi_cache_iterator_state (bidi_it=bidi_it@entry=0x7fffffff5550, resolved=resolved@entry=true, update_only=update_only@entry=false) at bidi.c:802 #4 0x00000000004a8f11 in bidi_move_to_visually_next (bidi_it=bidi_it@entry=0x7fffffff8ef8) at bidi.c:3385 #5 0x0000000000443280 in set_iterator_to_next (it=it@entry=0x7fffffff8560, reseat_p=reseat_p@entry=true) at xdisp.c:7362 #6 0x000000000044bb51 in display_line (it=it@entry=0x7fffffff8560) at xdisp.c:20878 #7 0x000000000044e1f2 in try_window (window=window@entry=18838741, pos=..., flags=flags@entry=1) at xdisp.c:17102 #8 0x0000000000462a36 in redisplay_window (window=, just_this_one_p=just_this_one_p@entry=false) at xdisp.c:16567 #9 0x0000000000465b2b in redisplay_window_0 (window=window@entry=18838741) at xdisp.c:14359 #10 0x000000000055a949 in internal_condition_case_1 (bfun=bfun@entry=0x465b00 , arg=18838741, handlers=, hfun=hfun@entry=0x42c850 ) at eval.c:1333 #11 0x000000000043154e in redisplay_windows (window=18838741) at xdisp.c:14339 #12 0x0000000000453379 in redisplay_internal () at xdisp.c:13899 #13 0x0000000000454ee5 in redisplay () at xdisp.c:13132 #14 0x00000000004f4bfb in read_char (commandflag=commandflag@entry=1, map=map@entry=56857459, prev_event=0, used_mouse_menu=used_mouse_menu@entry=0x7fffffffd8fb, end_time=end_time@entry=0x0) at keyboard.c:2466 #15 0x00000000004f743f in read_key_sequence (keybuf=keybuf@entry=0x7fffffffd9d0, 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:9032 #16 0x00000000004f8ef6 in command_loop_1 () at keyboard.c:1347 #17 0x000000000055a8cd in internal_condition_case (bfun=bfun@entry=0x4f8d00 , handlers=handlers@entry=19008, hfun=hfun@entry=0x4efcd0 ) at eval.c:1309 #18 0x00000000004eb4cc in command_loop_2 (ignore=ignore@entry=0) at keyboard.c:1089 ---Type to continue, or q to quit--- #19 0x000000000055a87b in internal_catch (tag=tag@entry=45792, func=func@entry=0x4eb4b0 , arg=arg@entry=0) at eval.c:1074 #20 0x00000000004eb487 in command_loop () at keyboard.c:1068 #21 0x00000000004ef908 in recursive_edit_1 () at keyboard.c:674 #22 0x00000000004efc25 in Frecursive_edit () at keyboard.c:745 #23 0x0000000000418978 in main (argc=1, argv=0x7fffffffdd48) at emacs.c:1656 (gdb) Can I provide more info? Clément.