Package: emacs;
Reported by: Rainer M Krug <Rainer <at> krugs.de>
Date: Mon, 7 Sep 2015 10:11:01 UTC
Severity: normal
Tags: moreinfo
Found in version 24.5
Fixed in version 25.1
Done: Alan Third <alan <at> idiocy.org>
Bug is archived. No further changes may be made.
Message #104 received at 21428 <at> debbugs.gnu.org (full text, mbox):
From: Rainer M Krug <Rainer <at> krugs.de> To: Eli Zaretskii <eliz <at> gnu.org> Cc: mituharu+bug-gnu-emacs-mac <at> math.s.chiba-u.ac.jp, 21428 <at> debbugs.gnu.org Subject: Re: bug#21428: 24.5; Crash of emacs on OS X, installed via homebrew cask Date: Fri, 25 Sep 2015 11:34:03 +0200
[Message part 1 (text/plain, inline)]
Eli Zaretskii <eliz <at> gnu.org> writes: >> From: Rainer M Krug <Rainer <at> krugs.de> >> Cc: 21428 <at> debbugs.gnu.org, mituharu+bug-gnu-emacs-mac <at> math.s.chiba-u.ac.jp >> Date: Thu, 24 Sep 2015 20:37:00 +0200 >> >> > It helps: the offending line seems to be the one that shows this: >> > >> > - [ ] ownFree >> > >> > with "ownFree" highlighted by a green underwave. Do you know what is >> > that underwave face? (If you don't, you could recreate the buffer in >> > a live session, then go to that place and type "M-x >> > describe-text-properties RET".) >> >> In the life session, I get the following: (as I continued some editing, >> the position might be off compared to the session which crashed) >> >> ,---- >> | Text content at position 34253: >> | >> | >> | There is an overlay here: >> | From 34252 to 34259 >> | evaporate t >> | face flyspell-duplicate >> | flyspell-overlay t >> | help-echo "mouse-2: correct word at point" >> | keymap [Show] >> | mouse-face highlight > > OK, so the face is flyspell-duplicate. > >> ,---- >> | Face: flyspell-duplicate (sample) (customize this face) >> | >> | Documentation: >> | Flyspell face for words that appear twice in a row. >> | See also ‘flyspell-duplicate-distance’. >> | >> | Defined in ‘flyspell.el’. >> | >> | Family: unspecified >> | Foundry: unspecified >> | Width: unspecified >> | Height: unspecified >> | Weight: unspecified >> | Slant: unspecified >> | Foreground: unspecified >> | DistantForeground: unspecified >> | Background: unspecified >> | Underline: (:style wave :color #008000) >> | Overline: unspecified >> | Strike-through: unspecified >> | Box: unspecified >> | Inverse: unspecified >> | Stipple: unspecified >> | Font: unspecified >> | Fontset: unspecified >> | Inherit: nil >> | >> | [back] >> `---- >> >> Anything strange here? > > No, looks perfectly OK. The problem is not with the face itself, it's > with its "realization" and caching by the display engine. > >> I leave the session as it is to provide further info. > > Actually, I think we've got all the info I need at this point. > > We now need to repeat this procedure in another 2 or 3 similar > crashes: display the face ID, the "used" count of the frame's face > cache, then use "pgrow" in the call-stack frame that calls the > 'draw_glyphs' function, to show the text to be displayed in that face, > and finally see which face it is in a "live" display. Maybe we will > see some pattern common to all those cases, although I'm starting to > doubt that. OK - new crash: I updated this morning from git and recompiled. This time it is face #42 and it seems to be in the bar above the minibuffer (mode-line)??? The character look like mode-bar, but I can't see them anywhere. I also attach again a screenshot.
[Screenshot 2015-09-25 11.14.53.png (image/png, attachment)]
[Message part 3 (text/plain, inline)]
,----
| xdisp.c:24333: Emacs fatal error: assertion failed: face != NULL
|
| Breakpoint 1, terminate_due_to_signal (sig=6, backtrace_limit=2147483647) at emacs.c:370
| 370 signal (sig, SIG_DFL);
| (gdb) bt
| #0 terminate_due_to_signal (sig=6, backtrace_limit=2147483647) at emacs.c:370
| #1 0x000000010022569b in die (msg=0x1003b680a "face != NULL", file=0x1003b24f0 "xdisp.c", line=24333) at alloc.c:6951
| #2 0x0000000100062ec7 in get_glyph_face_and_encoding (f=0x10644a830, glyph=0x11253ae00, char2b=0x7fff5fbfb690) at xdisp.c:24333
| #3 0x00000001000b57cd in fill_glyph_string (s=0x7fff5fbfb6c0, face_id=42, start=0, end=23, overlaps=0) at xdisp.c:24558
| #4 0x000000010006d579 in draw_glyphs (w=0x1020bfbe0, x=8, row=0x11254d100, area=TEXT_AREA, start=0, end=23, hl=DRAW_NORMAL_TEXT, overlaps=0) at xdisp.c:25225
| #5 0x000000010006cea1 in x_write_glyphs (w=0x1020bfbe0, updated_row=0x11254d100, start=0x11253ae00, updated_area=TEXT_AREA, len=23) at xdisp.c:27256
| #6 0x0000000100011d48 in update_text_area (w=0x1020bfbe0, updated_row=0x11254d100, vpos=1) at dispnew.c:3611
| #7 0x000000010000f902 in update_window_line (w=0x1020bfbe0, vpos=1, mouse_face_overwritten_p=0x7fff5fbfbdc2) at dispnew.c:3854
| #8 0x0000000100007852 in update_window (w=0x1020bfbe0, force_p=true) at dispnew.c:3477
| #9 0x000000010000665f in update_window_tree (w=0x1020bfbe0, force_p=true) at dispnew.c:3219
| #10 0x000000010000660d in update_window_tree (w=0x10655ed10, force_p=true) at dispnew.c:3217
| #11 0x000000010000633b in update_frame (f=0x10644a830, force_p=true, inhibit_hairy_id_p=false) at dispnew.c:3108
| #12 0x0000000100051f59 in redisplay_internal () at xdisp.c:13815
| #13 0x0000000100053a79 in redisplay () at xdisp.c:13059
| #14 0x00000001001842e9 in read_char (commandflag=1, map=4801369587, prev_event=0, used_mouse_menu=0x7fff5fbfefb7, end_time=0x0) at keyboard.c:2465
| #15 0x000000010017f249 in read_key_sequence (keybuf=0x7fff5fbff2f0, bufsize=30, prompt=0, dont_downcase_last=false, can_return_switch_frame=true, fix_current_buffer=true, prevent_redisplay=false) at keyboard.c:9030
| #16 0x000000010017db46 in command_loop_1 () at keyboard.c:1348
| #17 0x00000001002606b6 in internal_condition_case (bfun=0x10017d550 <command_loop_1>, handlers=17616, hfun=0x100198dc0 <cmd_error>) at eval.c:1309
| #18 0x0000000100198cbc in command_loop_2 (ignore=0) at keyboard.c:1088
| #19 0x000000010025f77e in internal_catch (tag=42768, func=0x100198c90 <command_loop_2>, arg=0) at eval.c:1073
| #20 0x000000010017c890 in command_loop () at keyboard.c:1067
| #21 0x000000010017c6d2 in recursive_edit_1 () at keyboard.c:673
| #22 0x000000010017cac3 in Frecursive_edit () at keyboard.c:744
| #23 0x000000010017a66a in main (argc=1, argv=0x7fff5fbff8f0) at emacs.c:1643
| Current language: auto; currently minimal
|
| Lisp Backtrace:
| "redisplay_internal (C function)" (0x0)
| (gdb) bt full
| #0 terminate_due_to_signal (sig=6, backtrace_limit=2147483647) at emacs.c:370
| No locals.
| #1 0x000000010022569b in die (msg=0x1003b680a "face != NULL", file=0x1003b24f0 "xdisp.c", line=24333) at alloc.c:6951
| No locals.
| #2 0x0000000100062ec7 in get_glyph_face_and_encoding (f=0x10644a830, glyph=0x11253ae00, char2b=0x7fff5fbfb690) at xdisp.c:24333
| face = (struct face *) 0x0
| code = 0
| #3 0x00000001000b57cd in fill_glyph_string (s=0x7fff5fbfb6c0, face_id=42, start=0, end=23, overlaps=0) at xdisp.c:24558
| glyph = (struct glyph *) 0x11253ae00
| last = (struct glyph *) 0x11253b250
| voffset = 0
| glyph_not_available_p = false
| #4 0x000000010006d579 in draw_glyphs (w=0x1020bfbe0, x=8, row=0x11254d100, area=TEXT_AREA, start=0, end=23, hl=DRAW_NORMAL_TEXT, overlaps=0) at xdisp.c:25225
| face_id = 42
| char2b = (XChar2b *) 0x7fff5fbfb690
| first_glyph = (struct glyph *) 0x11253ae00
| head = (struct glyph_string *) 0x7fff5fbfb6c0
| tail = (struct glyph_string *) 0x7fff5fbfb6c0
| s = (struct glyph_string *) 0x7fff5fbfb6c0
| clip_head = (struct glyph_string *) 0x0
| clip_tail = (struct glyph_string *) 0x0
| i = 0
| j = 1519899
| x_reached = 32767
| last_x = 1256
| area_left = 8
| f = (struct frame *) 0x10644a830
| sa_avail = 16338
| sa_count = 5
| sa_must_free = false
| #5 0x000000010006cea1 in x_write_glyphs (w=0x1020bfbe0, updated_row=0x11254d100, start=0x11253ae00, updated_area=TEXT_AREA, len=23) at xdisp.c:27256
| x = 16777216
| hpos = 0
| chpos = 16
| #6 0x0000000100011d48 in update_text_area (w=0x1020bfbe0, updated_row=0x11254d100, vpos=1) at dispnew.c:3611
| current_row = (struct glyph_row *) 0x11246bf00
| desired_row = (struct glyph_row *) 0x11254d100
| rif = (struct redisplay_interface *) 0x1007d8e98
| changed_p = false
| #7 0x000000010000f902 in update_window_line (w=0x1020bfbe0, vpos=1, mouse_face_overwritten_p=0x7fff5fbfbdc2) at dispnew.c:3854
| current_row = (struct glyph_row *) 0x11246bf00
| desired_row = (struct glyph_row *) 0x11254d100
| rif = (struct redisplay_interface *) 0x1007d8e98
| changed_p = false
| #8 0x0000000100007852 in update_window (w=0x1020bfbe0, force_p=true) at dispnew.c:3477
| vpos = 1
| i = 139313
| end = (struct glyph_row *) 0x112555100
| mode_line_row = (struct glyph_row *) 0x112555100
| header_line_row = (struct glyph_row *) 0x11254d000
| changed_p = false
| mouse_face_overwritten_p = false
| row = (struct glyph_row *) 0x11254d100
| yb = 1402
| n_updated = 0
| desired_matrix = (struct glyph_matrix *) 0x111951a70
| paused_p = false
| preempt_count = 17
| rif = (struct redisplay_interface *) 0x1007d8e98
| #9 0x000000010000665f in update_window_tree (w=0x1020bfbe0, force_p=true) at dispnew.c:3219
| paused_p = false
| #10 0x000000010000660d in update_window_tree (w=0x10655ed10, force_p=true) at dispnew.c:3217
| paused_p = false
| #11 0x000000010000633b in update_frame (f=0x10644a830, force_p=true, inhibit_hairy_id_p=false) at dispnew.c:3108
| paused_p = 255
| root_window = (struct window *) 0x10655ed10
| #12 0x0000000100051f59 in redisplay_internal () at xdisp.c:13815
| gcscrollbars = true
| f = (struct frame *) 0x10644a830
| w = (struct window *) 0x1020bfbe0
| sw = (struct window *) 0x1020bfbe0
| fr = (struct frame *) 0x10644a830
| pending = false
| must_finish = true
| match_p = true
| tlbufpos = {
| charpos = 1,
| bytepos = 1
| }
| tlendpos = {
| charpos = 247,
| bytepos = 247
| }
| number_of_visible_frames = 1
| count = 2
| sf = (struct frame *) 0x10644a830
| polling_stopped_here = true
| tail = 4599117875
| frame = 4400130101
| consider_all_windows_p = true
| update_miniwindow_p = true
| #13 0x0000000100053a79 in redisplay () at xdisp.c:13059
| No locals.
| #14 0x00000001001842e9 in read_char (commandflag=1, map=4801369587, prev_event=0, used_mouse_menu=0x7fff5fbfefb7, end_time=0x0) at keyboard.c:2465
| echo_current = true
| c = 0
| jmpcount = 140734799801360
| local_getcjmp = 0x7fff5fbfeba0
| save_jump = 0x7fff5fbfeb00
| tem = 2
| save = 0
| previous_echo_area_message = 0
| also_record = 0
| reread = false
| recorded = false
| polling_stopped_here = false
| orig_kboard = (struct kboard *) 0x101146020
| #15 0x000000010017f249 in read_key_sequence (keybuf=0x7fff5fbff2f0, bufsize=30, prompt=0, dont_downcase_last=false, can_return_switch_frame=true, fix_current_buffer=true, prevent_redisplay=false) at keyboard.c:9030
| interrupted_kboard = (KBOARD *) 0x101146020
| interrupted_frame = (struct frame *) 0x10644a830
| key = 4297289629
| used_mouse_menu = false
| echo_local_start = 0
| last_real_key_start = 0
| keys_local_start = 0
| new_binding = 4317771765
| count = 2
| t = 0
| echo_start = 0
| keys_start = 0
| current_binding = 4801369587
| first_event = 0
| first_unbound = 31
| mock_input = 0
| fkey = {
| parent = 4404141299,
| map = 4404141299,
| start = 0,
| end = 0
| }
| keytran = {
| parent = 4336943683,
| map = 4336943683,
| start = 0,
| end = 0
| }
| indec = {
| parent = 4404141363,
| map = 4404141363,
| start = 0,
| end = 0
| }
| shift_translated = false
| delayed_switch_frame = 0
| original_uppercase = 4303326104
| original_uppercase_position = -1
| dummyflag = false
| starting_buffer = (struct buffer *) 0x1015bf7f0
| fake_prefixed_keys = 0
| #16 0x000000010017db46 in command_loop_1 () at keyboard.c:1348
| cmd = 101117088
| keybuf = 0x7fff5fbff2f0
| i = 2
| prev_modiff = 50091
| prev_buffer = (struct buffer *) 0x11475fbc0
| already_adjusted = false
| #17 0x00000001002606b6 in internal_condition_case (bfun=0x10017d550 <command_loop_1>, handlers=17616, hfun=0x100198dc0 <cmd_error>) at eval.c:1309
| val = 4303299704
| c = (struct handler *) 0x104a00000
| #18 0x0000000100198cbc in command_loop_2 (ignore=0) at keyboard.c:1088
| val = 2
| #19 0x000000010025f77e in internal_catch (tag=42768, func=0x100198c90 <command_loop_2>, arg=0) at eval.c:1073
| val = 0
| c = (struct handler *) 0x101037aa0
| #20 0x000000010017c890 in command_loop () at keyboard.c:1067
| No locals.
| #21 0x000000010017c6d2 in recursive_edit_1 () at keyboard.c:673
| count = 1
| val = 0
| #22 0x000000010017cac3 in Frecursive_edit () at keyboard.c:744
| count = 0
| buffer = 0
| #23 0x000000010017a66a in main (argc=1, argv=0x7fff5fbff8f0) at emacs.c:1643
| dummy = 140734799806464
| stack_bottom_variable = 0 '\0'
| do_initial_setlocale = true
| dumping = false
| skip_args = 0
| rlim = {
| rlim_cur = 8720000,
| rlim_max = 67104768
| }
| no_loadup = false
| junk = 0x0
| dname_arg = 0x0
| dname_arg2 = 0x7fff5fbff870 "\001"
| ch_to_dir = 0x0
| original_pwd = 0x0
|
| Lisp Backtrace:
| "redisplay_internal (C function)" (0x0)
| (gdb) bt
| #0 terminate_due_to_signal (sig=6, backtrace_limit=2147483647) at emacs.c:370
| #1 0x000000010022569b in die (msg=0x1003b680a "face != NULL", file=0x1003b24f0 "xdisp.c", line=24333) at alloc.c:6951
| #2 0x0000000100062ec7 in get_glyph_face_and_encoding (f=0x10644a830, glyph=0x11253ae00, char2b=0x7fff5fbfb690) at xdisp.c:24333
| #3 0x00000001000b57cd in fill_glyph_string (s=0x7fff5fbfb6c0, face_id=42, start=0, end=23, overlaps=0) at xdisp.c:24558
| #4 0x000000010006d579 in draw_glyphs (w=0x1020bfbe0, x=8, row=0x11254d100, area=TEXT_AREA, start=0, end=23, hl=DRAW_NORMAL_TEXT, overlaps=0) at xdisp.c:25225
| #5 0x000000010006cea1 in x_write_glyphs (w=0x1020bfbe0, updated_row=0x11254d100, start=0x11253ae00, updated_area=TEXT_AREA, len=23) at xdisp.c:27256
| #6 0x0000000100011d48 in update_text_area (w=0x1020bfbe0, updated_row=0x11254d100, vpos=1) at dispnew.c:3611
| #7 0x000000010000f902 in update_window_line (w=0x1020bfbe0, vpos=1, mouse_face_overwritten_p=0x7fff5fbfbdc2) at dispnew.c:3854
| #8 0x0000000100007852 in update_window (w=0x1020bfbe0, force_p=true) at dispnew.c:3477
| #9 0x000000010000665f in update_window_tree (w=0x1020bfbe0, force_p=true) at dispnew.c:3219
| #10 0x000000010000660d in update_window_tree (w=0x10655ed10, force_p=true) at dispnew.c:3217
| #11 0x000000010000633b in update_frame (f=0x10644a830, force_p=true, inhibit_hairy_id_p=false) at dispnew.c:3108
| #12 0x0000000100051f59 in redisplay_internal () at xdisp.c:13815
| #13 0x0000000100053a79 in redisplay () at xdisp.c:13059
| #14 0x00000001001842e9 in read_char (commandflag=1, map=4801369587, prev_event=0, used_mouse_menu=0x7fff5fbfefb7, end_time=0x0) at keyboard.c:2465
| #15 0x000000010017f249 in read_key_sequence (keybuf=0x7fff5fbff2f0, bufsize=30, prompt=0, dont_downcase_last=false, can_return_switch_frame=true, fix_current_buffer=true, prevent_redisplay=false) at keyboard.c:9030
| #16 0x000000010017db46 in command_loop_1 () at keyboard.c:1348
| #17 0x00000001002606b6 in internal_condition_case (bfun=0x10017d550 <command_loop_1>, handlers=17616, hfun=0x100198dc0 <cmd_error>) at eval.c:1309
| #18 0x0000000100198cbc in command_loop_2 (ignore=0) at keyboard.c:1088
| #19 0x000000010025f77e in internal_catch (tag=42768, func=0x100198c90 <command_loop_2>, arg=0) at eval.c:1073
| #20 0x000000010017c890 in command_loop () at keyboard.c:1067
| #21 0x000000010017c6d2 in recursive_edit_1 () at keyboard.c:673
| #22 0x000000010017cac3 in Frecursive_edit () at keyboard.c:744
| #23 0x000000010017a66a in main (argc=1, argv=0x7fff5fbff8f0) at emacs.c:1643
|
| Lisp Backtrace:
| "redisplay_internal (C function)" (0x0)
| (gdb) frame 2
| #2 0x0000000100062ec7 in get_glyph_face_and_encoding (f=0x10644a830, glyph=0x11253ae00, char2b=0x7fff5fbfb690) at xdisp.c:24333
| 24333 eassert (face != NULL);
| (gdb) p f->face-caches->used
| No symbol "caches" in current context.
| (gdb) p f->face_cache->used
| $1 = 31
| (gdb) pgrow
| No symbol "row" in current context.
| (gdb) source ./.gdbinit
| DISPLAY = /private/tmp/com.apple.launchd.x7OsOx87fJ/org.macosforge.xquartz:0
| TERM = xterm
| Breakpoint 3 at 0x100178ac2: file emacs.c, line 370.
| Breakpoint 4 at 0x1001b157f: file sysdep.c, line 907.
| (gdb) pgrow
| No symbol "row" in current context.
| (gdb) frame 3
| #3 0x00000001000b57cd in fill_glyph_string (s=0x7fff5fbfb6c0, face_id=42, start=0, end=23, overlaps=0) at xdisp.c:24558
| 24558 s->face = get_glyph_face_and_encoding (s->f, glyph,
| (gdb) pgrow
| No symbol "row" in current context.
| (gdb) frame 4
| #4 0x000000010006d579 in draw_glyphs (w=0x1020bfbe0, x=8, row=0x11254d100, area=TEXT_AREA, start=0, end=23, hl=DRAW_NORMAL_TEXT, overlaps=0) at xdisp.c:25225
| 25225 BUILD_GLYPH_STRINGS (i, end, head, tail, hl, x, last_x);
| (gdb) pgrow
| TEXT: 23 glyphs
| 0 0: CHAR[#] pos=1 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 1 8: CHAR[ ] pos=2 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 2 16: CHAR[ ] pos=3 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 3 24: CHAR[ ] pos=4 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 4 32: CHAR[ ] pos=5 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 5 40: CHAR[-] pos=6 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 6 48: CHAR[*] pos=7 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 7 56: CHAR[-] pos=8 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 8 64: CHAR[ ] pos=9 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 9 72: CHAR[m] pos=10 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 10 80: CHAR[o] pos=11 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 11 88: CHAR[d] pos=12 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 12 96: CHAR[e] pos=13 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 13 104: CHAR[:] pos=14 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 14 112: CHAR[ ] pos=15 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 15 120: CHAR[o] pos=16 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 16 128: CHAR[r] pos=17 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 17 136: CHAR[g] pos=18 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 18 144: CHAR[ ] pos=19 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 19 152: CHAR[-] pos=20 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 20 160: CHAR[*] pos=21 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 21 168: CHAR[-] pos=22 blev=0,btyp=L w=8 a+d=14+4 face=42 MB
| 22 176: CHAR[ ] pos=0 blev=0,btyp=B w=8 a+d=14+4 MB
| (gdb) xbacktrace
| "redisplay_internal (C function)" (0x0)
| (gdb)
`----
>
> Thanks.
>
--
Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology, UCT), Dipl. Phys. (Germany)
Centre of Excellence for Invasion Biology
Stellenbosch University
South Africa
Tel : +33 - (0)9 53 10 27 44
Cell: +33 - (0)6 85 62 59 98
Fax : +33 - (0)9 58 10 27 44
Fax (D): +49 - (0)3 21 21 25 22 44
email: Rainer <at> krugs.de
Skype: RMkrug
PGP: 0x0F52F982
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