From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Helmut Eller Newsgroups: gmane.emacs.bugs Subject: bug#9436: 24.0.50; Segmentation fault during redisplay Date: Sun, 04 Sep 2011 19:53:06 +0200 Message-ID: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1315158882 22181 80.91.229.12 (4 Sep 2011 17:54:42 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sun, 4 Sep 2011 17:54:42 +0000 (UTC) To: 9436@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Sep 04 19:54:37 2011 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1R0Gtu-0007yZ-6f for geb-bug-gnu-emacs@m.gmane.org; Sun, 04 Sep 2011 19:54:34 +0200 Original-Received: from localhost ([::1]:53131 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1R0Gts-0001WJ-L8 for geb-bug-gnu-emacs@m.gmane.org; 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Sun, 04 Sep 2011 10:53:16 -0700 (PDT) Original-Received: from helmut by ix with local (Exim 4.72) (envelope-from ) id 1R0GsU-0001Nb-Hj for bug-gnu-emacs@gnu.org; Sun, 04 Sep 2011 19:53:06 +0200 User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Sun, 04 Sep 2011 13:58:02 -0400 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 1) X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:50588 Archived-At: Last week I updated to the trunk version and now Emacs crashes once or twice a day. As far as I can tell, I don't do anything unusual when it happens: just reading and moving up and down with the cursor keys. This happened in c-mode, lisp-mode and I think even in man-mode. I now start Emacs with (ulimit -c unlimited && emacs)& and have a core file. The output of "bt full" is below. xbacktrace didn't show anything, but I'm not sure if I sourced the .gdbinit correctly. This is my configuration: In GNU Emacs 24.0.50.2 (i686-pc-linux-gnu, GTK+ Version 2.20.1) of 2011-08-31 on ix Windowing system distributor `The X.Org Foundation', version 11.0.10707000 configured using `configure '--with-gif=no' '--with-gnutls=no'' Important settings: value of $LC_ALL: nil value of $LC_COLLATE: nil value of $LC_CTYPE: nil value of $LC_MESSAGES: nil value of $LC_MONETARY: nil value of $LC_NUMERIC: nil value of $LC_TIME: nil value of $LANG: en_US value of $XMODIFIERS: nil locale-coding-system: iso-latin-1-unix default enable-multibyte-characters: nil Output of "bt full": #0 0xb78c4424 in __kernel_vsyscall () No symbol table info available. #1 0xb6ae6a26 in ?? () No symbol table info available. #2 No symbol table info available. #3 0x08077763 in move_it_to (it=0xbf9285d8, to_charpos=512, to_x=-1, to_y=-1, to_vpos=-1, op=8) at xdisp.c:8444 skip = skip2 = line_start_x = 177404328 backup_data = 0x0 #4 0x08089fdb in redisplay_internal () at xdisp.c:12814 it = {window = 55, w = 0x20, f = 0x0, method = 3214039648, stop_charpos = 48, prev_stop = 46, base_level_stop = 57, end_charpos = 140910104, s = 0x1
, string_nchars = -1080927576, region_beg_charpos = -1080927528, region_end_charpos = 135181508, redisplay_end_trigger_charpos = -1080927564, multibyte_p = 0, header_line_p = 1, string_from_display_prop_p = 1, from_disp_prop_p = 1, ellipsis_p = 0, avoid_cursor_p = 1, dp = 0x30, dpvec = 0x32, dpend = 0x20, dpvec_char_len = 124, dpvec_face_id = 10, saved_face_id = -1080927172, ctl_chars = { 138555874, 138576418 }, start = {pos = { charpos = 139524506, bytepos = 138576418}, overlay_string_index = -1080927464, string_pos = { charpos = 135625893, bytepos = 139869019}, dpvec_index = 173435618}, current = {pos = {charpos = 0, bytepos = 0}, overlay_string_index = 32, string_pos = { charpos = 124, bytepos = 32}, dpvec_index = 173435618}, n_overlay_strings = 173485864, overlay_strings_charpos = -1080927172, overlay_strings = {140910824, 171661680, 0, -1080927424, 0, 16, 140910829, 6919, 1, -301, 0, 32, 32, 498, 169812053, -1080926984}, string_overlays = {-1080927400, 136263045, 140910829, 171661685, -1080927000, 134684634, 139869019, 1, 1996, 1996, 173770784, 138555562, -1080927352, 136265499, 138725122, 174243246}, string = -1080927288, from_overlay = 135625893, stack = {{string = 139869019, string_nchars = 499, end_charpos = 1, stop_charpos = 174283270, prev_stop = 173924264, base_level_stop = 138555562, cmp_it = { stop_pos = -1080927304, id = 136265499, ch = 138725882, rule_idx = 174243246, lookback = -1080927320, nglyphs = 498, reversed_p = 169812053, charpos = 138725882, nchars = 1, nbytes = 172874494, from = 1996, to = 1, width = 0}, face_id = 177281700, u = {image = {object = 138725882, slice = { x = 138555562, y = -1080927272, width = 136265680, height = 172874494}, image_id = 138725882}, comp = { object = 138725882}, stretch = {object = 138725882}}, position = {charpos = 1, bytepos = 177281728}, current = {pos = { charpos = 138725882, bytepos = 138555562}, overlay_string_index = -1080927208, string_pos = { charpos = 136286924, bytepos = 172874494}, dpvec_index = 138725882}, from_overlay = -1080927200, area = LEFT_MARGIN_AREA, method = 10, paragraph_embedding = 138555562, multibyte_p = 1, string_from_display_prop_p = 1, display_ellipsis_p = 1, avoid_cursor_p = 0, bidi_p = 0, from_disp_prop_p = 1, line_wrap = 3996, voffset = 520, space_width = -1080926980, font_height = -1080927192}, {string = 1996, string_nchars = 999, end_charpos = 138555562, stop_charpos = -1080927144, prev_stop = 136303539, base_level_stop = 1996, cmp_it = { stop_pos = 138725882, id = 169812053, ch = 3996, rule_idx = -1080927048, lookback = 138555562, nglyphs = -1080927064, reversed_p = 138555874, charpos = 136744705, nchars = 139870889, nbytes = 498, from = 499, to = 999, width = 499}, face_id = -1080927016, u = {image = {object = 136303677, slice = {x = 499, y = 999, width = -1080927044, height = -1080927048}, image_id = -1080927052}, comp = {object = 136303677}, stretch = {object = 136303677}}, position = { charpos = 138555562, bytepos = -1080927048}, current = {pos = { charpos = 136265371, bytepos = 174283566}, overlay_string_index = 174243246, string_pos = { charpos = 13541, bytepos = 498}, dpvec_index = 169812053}, from_overlay = -1080915356, area = TEXT_AREA, method = 999, paragraph_embedding = 138555562, multibyte_p = 1, string_from_display_prop_p = 1, display_ellipsis_p = 0, avoid_cursor_p = 0, bidi_p = 1, from_disp_prop_p = 1, line_wrap = 3214040252, voffset = -6804, space_width = 173966512, font_height = 138555562}, { string = -1080927016, string_nchars = 136265680, end_charpos = 174259662, stop_charpos = 138555874, prev_stop = 1, base_level_stop = 0, cmp_it = { stop_pos = 138228328, id = -1080926916, ch = -1080926952, rule_idx = 136319035, lookback = 0, nglyphs = 172607816, reversed_p = 499, charpos = 0, nchars = 138555562, nbytes = 69, from = 138555562, to = 1811951786, width = 177258816}, face_id = 0, u = {image = { object = -1080926920, slice = {x = -1080915356, y = 177258816, width = 0, height = -1080926904}, image_id = 134653040}, comp = {object = -1080926920}, stretch = {object = -1080926920}}, position = { charpos = 177258816, bytepos = -1080926916}, current = {pos = { charpos = 1, bytepos = 138228328}, overlay_string_index = 138555562, string_pos = { charpos = 138555562, bytepos = -1080926648}, dpvec_index = 108}, from_overlay = 177258816, area = LEFT_MARGIN_AREA, method = 3214040664, paragraph_embedding = 134803020, multibyte_p = 0, string_from_display_prop_p = 0, display_ellipsis_p = 0, avoid_cursor_p = 0, bidi_p = 0, from_disp_prop_p = 0, line_wrap = 108, voffset = 24024, space_width = 134705262, font_height = -1080915356}, {string = 169812053, string_nchars = -1080926760, end_charpos = 136288856, stop_charpos = 169812048, prev_stop = 169812053, base_level_stop = -1080926744, cmp_it = {stop_pos = 136288856, id = 169812048, ch = 124, rule_idx = 10, lookback = 124, nglyphs = 32, reversed_p = 67, charpos = 76, nchars = 499, nbytes = 0, from = 169812053, to = 1596, width = 525}, face_id = 0, u = {image = {object = 169812053, slice = { x = 1732, y = 138746546, width = 1, height = 112}, image_id = 40}, comp = {object = 169812053}, stretch = { object = 169812053}}, position = {charpos = -1080915356, bytepos = 1}, current = {pos = {charpos = 108, bytepos = -1080926632}, overlay_string_index = 134700105, string_pos = {charpos = 108, bytepos = -1080915356}, dpvec_index = -1080926712}, from_overlay = 136289415, area = 1732, method = 138746402, paragraph_embedding = 169812053, multibyte_p = 0, string_from_display_prop_p = 0, display_ellipsis_p = 0, avoid_cursor_p = 0, bidi_p = 0, from_disp_prop_p = 0, line_wrap = TRUNCATE, voffset = 0, space_width = 169836992, font_height = 138228328}, {string = 0, string_nchars = 138746402, end_charpos = 169812053, stop_charpos = 134680435, prev_stop = -1080915276, base_level_stop = -1080915356, cmp_it = {stop_pos = 0, id = 134680435, ch = 124, rule_idx = 32, lookback = 32, nglyphs = 1811974756, reversed_p = 0, charpos = 482, nchars = -1080917736, nbytes = -1080915356, from = 711, to = 3, width = -1080917720}, face_id = 134692193, u = { image = {object = -1080915356, slice = {x = -1080919948, y = -1080922136, width = 83, height = -1080924308}, image_id = -1080919932}, comp = {object = -1080915356}, stretch = {object = -1080915356}}, position = { charpos = -1080922120, bytepos = 173388144}, current = {pos = { charpos = 48, bytepos = 1}, overlay_string_index = 1, string_pos = {charpos = 173388144, bytepos = 45}, dpvec_index = 1}, from_overlay = 1, area = LEFT_MARGIN_AREA, method = GET_FROM_BUFFER, paragraph_embedding = NEUTRAL_DIR, multibyte_p = 1, string_from_display_prop_p = 1, display_ellipsis_p = 1, avoid_cursor_p = 1, bidi_p = 1, from_disp_prop_p = 1, line_wrap = 711, voffset = 3, space_width = 13541, font_height = 0}}, sp = 16777225, selective = 12, what = 711, face_id = 0, selective_display_ellipsis_p = 1, ctl_arrow_p = 0, face_box_p = 0, start_of_box_run_p = 1, end_of_box_run_p = 0, overlay_strings_at_end_processed_p = 0, ignore_overlay_strings_at_pos_p = 0, glyph_not_available_p = 0, starts_in_middle_of_char_p = 0, face_before_selective_p = 0, constrain_row_ascent_descent_p = 0, line_wrap = 711, base_face_id = 0, c = 0, len = 2, cmp_it = {stop_pos = 124, id = 32, ch = 49, rule_idx = 46, lookback = 48, nglyphs = 56, reversed_p = 32, charpos = 124, nchars = 32, nbytes = 32, from = 49, to = 46, width = 48}, char_to_display = 55, glyphless_method = 32, image_id = 124, slice = {x = 10, y = 124, width = 32, height = 67}, space_width = 76, voffset = 79, tab_width = 0, font_height = 83, object = 47, position = { charpos = 105, bytepos = 110}, truncation_pixel_width = 115, continuation_pixel_width = 0, first_visible_x = 116, last_visible_x = 97, last_visible_y = 110, extra_line_spacing = 116, max_extra_line_spacing = 105, override_ascent = 97, override_descent = 116, override_boff = 101, glyph_row = 0x0, area = 32, nglyphs = 32, pixel_width = 32, ascent = 32, descent = 32, max_ascent = 32, max_descent = 32, phys_ascent = 124, phys_descent = 32, max_phys_ascent = 32, max_phys_descent = 53, current_x = 46, continuation_lines_width = 54, eol_pos = { charpos = 48, bytepos = 32}, current_y = 124, first_vpos = 32, vpos = 48, hpos = 46, left_user_fringe_bitmap = 56, right_user_fringe_bitmap = 0, left_user_fringe_face_id = 55, right_user_fringe_face_id = 32, bidi_p = 0, bidi_it = { bytepos = 124, charpos = 32, ch = 32, nchars = 48, ch_len = 46, type = 57, type_after_w1 = 48, orig_type = 32, resolved_level = 124, invalid_levels = 10, invalid_rl_levels = 124, prev_was_pdf = 32, prev = {bytepos = 67, charpos = 76, type = 79, type_after_w1 = 83, orig_type = 47}, last_strong = {bytepos = 115, charpos = 105, type = 109, type_after_w1 = 112, orig_type = 108}, next_for_neutral = { bytepos = 101, charpos = 45, type = 105, type_after_w1 = 110, orig_type = 115}, prev_for_neutral = {bytepos = 116, charpos = 97, type = 110, type_after_w1 = 116, orig_type = 105}, next_for_ws = {bytepos = 97, charpos = 116, type = 101, type_after_w1 = 32, orig_type = 124}, next_en_pos = 32, ignore_bn_limit = 32, sor = 48, scan_dir = 46, disp_pos = 51, disp_prop = 54, stack_idx = 32, level_stack = {{level = 124, override = 32}, {level = 48, override = 46}, {level = 57, override = 48}, {level = 32, override = 124}, {level = 32, override = 32}, {level = 48, override = 46}, {level = 57, override = 54}, {level = 32, override = 124}, {level = 10, override = 124}, {level = 32, override = 67}, {level = 76, override = 79}, {level = 83, override = 47}, {level = 109, override = 101}, {level = 116, override = 104}, {level = 111, override = 100}, {level = 99, override = 97}, {level = 108, override = 108}, {level = 115, override = 32}, {level = 32, override = 32}, {level = 32, override = 32}, {level = 32, override = 32}, {level = 32, override = 124}, {level = 32, override = 32}, {level = 49, override = 46}, {level = 53, override = 57}, {level = 32, override = 124}, {level = 32, override = 48}, {level = 46, override = 57}, {level = 55, override = 32}, {level = 124, override = 32}, {level = 32, override = 48}, {level = 46, override = 57}, {level = 53, override = 32}, {level = 124, override = 10}, {level = 124, override = 32}, {level = 67, override = 76}, {level = 79, override = 83}, {level = 47, override = 109}, {level = 101, override = 116}, {level = 104, override = 111}, {level = 100, override = 43}, {level = 97, override = 102}, {level = 116, override = 101}, {level = 114, override = 32}, {level = 32, override = 32}, {level = 32, override = 32}, {level = 32, override = 32}, {level = 124, override = 32}, {level = 32, override = 50}, {level = 46, override = 52}, {level = 49, override = 32}, {level = 124, override = 32}, {level = 49, override = 46}, {level = 49, override = 52}, {level = 32, override = 124}, {level = 32, override = 32}, {level = 49, override = 46}, {level = 49, override = 51}, {level = 32, override = 124}, {level = 10, override = 124}, {level = 32, override = 67}, {level = 76, override = 79}, {level = 83, override = 47}, {level = 99, override = 111}}, string = { lstring = 109, s = 0x70
, schars = 108, bufpos = 101, from_disp_str = 0, unibyte = 0}, paragraph_dir = 45, separator_limit = -1, first_elt = 1, new_paragraph = 0, frame_window_p = 1}, paragraph_embedding = 116} row = w = 0xa92f9a8 sw = 0xa92f9a8 pending = 13017 must_finish = 1 number_of_visible_frames = 1 polling_stopped_here = 0 old_frame = 140910109 consider_all_windows_p = 0 #5 0x08145150 in read_char (commandflag=1, nmaps=3, maps=0xbf9299e0, prev_event=138555562, used_mouse_menu=0xbf929af8, end_time=0x0) at keyboard.c:2445 c = local_getcjmp = {{__jmpbuf = {-1080911684, 169812048, -1080911704, 136265680, 174283270, 138577754}, __mask_was_saved = 1, __saved_mask = {__val = {4294967295, 3214055612, 4294967295, 3214055832, 135928416, 174283270, 138577754, 169812053, 135663438, 138555562, 139797242, 138892802, 5, 0, 0, 4294967295, 172130608, 137084544, 138712680, 0, 0, 3, 6, 3214055432, 0, 8192, 169812053, 3214055800, 136288856, 169812048, 0, 0}}}} save_jump = {{__jmpbuf = {1, 2048, 75, 5, 6919, 1}, __mask_was_saved = -301, __saved_mask = {__val = {173770784, 138555562, 3214055496, 510, 169812053, 169812048, 3214055512, 136263045, 177692248, 512, 1, 75, 5, 1, 2044, 2044, 173770784, 138555562, 3214055560, 136265499, 138577754, 174243246, 3214055560, 136287941, 177692248, 511, 1, 174283270, 174283270, 138725218, 169812053, 4294967295}}}} key_already_recorded = 0 tem = save = previous_echo_area_message = 138555562 also_record = 138555562 reread = 0 polling_stopped_here = 0 orig_kboard = 0x859b7f0 #6 0x08147455 in read_key_sequence (keybuf=, bufsize=, prompt=, dont_downcase_last=0, can_return_switch_frame=1, fix_current_buffer=1) at keyboard.c:9280 interrupted_kboard = 0x859b7f0 key = used_mouse_menu = 0 echo_local_start = 0 last_real_key_start = 0 keys_local_start = 0 from_string = t = echo_start = 0 keys_start = 0 nmaps = nmaps_allocated = 3 defs = 0xbf9299c0 submaps = orig_local_map = 170447046 orig_keymap = 138555562 localized_local_map = 0 first_binding = first_unbound = mock_input = fkey = {parent = 141881710, map = 141881710, start = 0, end = 0} keytran = {parent = 138542790, map = 138542790, start = 0, end = 0} indec = {parent = 141881758, map = 141881758, start = 0, end = 0} shift_translated = 0 delayed_switch_frame = 138555562 original_uppercase = 0 original_uppercase_position = -1 starting_buffer = 0xa1f2050 fake_prefixed_keys = 138555562 #7 0x08149203 in command_loop_1 () at keyboard.c:1445 cmd = 169812048 keybuf = {20, 135543987, 173459254, 138555586, -1080910882, 138555562, 138691778, 138555562, 138555562, -1080910882, 138555562, 138555562, -1080910808, 135544284, 173459254, -1080910882, 0, 172130576, 2, 138823646, -1080910840, 134235330, 138823646, 138555562, 138555562, 138691776, -1230225884, -1231650268, -1472036457, 0} i = prev_modiff = 3589 prev_buffer = 0xa1f2050 #8 0x081ab804 in internal_condition_case (bfun=0x8149030 , handlers=138586578, hfun=0x8143d10 ) at eval.c:1491 val = 0 c = {tag = 138555562, val = 138555562, next = 0xbf929d68, gcpro = 0x0, jmp = {{__jmpbuf = {0, 139289496, 139289512, -1080910552, 475905492, 202003643}, __mask_was_saved = 0, __saved_mask = {__val = { 3079461398, 3064784998, 134548533, 141618112, 134546837, 3063317168, 0, 3214056736, 3214056664, 3214056676, 3079540724, 3079543032, 0, 3214056412, 3079462854, 134547501, 139838823, 3214056448, 3061460420, 139837800, 3214056672, 3214056976, 3214056824, 135607380, 2, 3214056836, 3064741412, 3067607080, 0, 4294967295, 3079540724, 134547501}}}}, backlist = 0x0, handlerlist = 0x0, lisp_eval_depth = 0, pdlcount = 2, poll_suppress_count = 1, interrupt_input_blocked = 0, byte_stack = 0x0} h = {handler = 138586578, var = 138555562, chosen_clause = 138555586, tag = 0xbf929c44, next = 0x0} #9 0x08143985 in command_loop_2 (ignore=138555562) at keyboard.c:1156 val = 0 #10 0x081ab8e1 in internal_catch (tag=138584554, func=0x8143960 , arg=138555562) at eval.c:1248 c = {tag = 138584554, val = 138555562, next = 0x0, gcpro = 0x0, jmp = { {__jmpbuf = {0, 139289496, 139289512, -1080910280, 476020180, 202679995}, __mask_was_saved = 0, __saved_mask = {__val = { 0 , 3065157278, 0, 0, 0, 138575304, 1, 138228288, 0, 14, 3214057068, 138743858, 138743856, 138555562, 3214057016, 135957526, 138743858, 138555562, 138555562, 1, 3214057064}}}}, backlist = 0x0, handlerlist = 0x0, lisp_eval_depth = 0, pdlcount = 2, poll_suppress_count = 1, interrupt_input_blocked = 0, byte_stack = 0x0} #11 0x08143fa6 in command_loop () at keyboard.c:1135 No locals. #12 recursive_edit_1 () at keyboard.c:756 val = #13 0x081440a2 in Frecursive_edit () at keyboard.c:820 buffer = 138555562 #14 0x08137c8b in main (argc=0, argv=) at emacs.c:1698 dummy = -1080909400 stack_bottom_variable = 8 '\b' do_initial_setlocale = 139289496 skip_args = 0 rlim = {rlim_cur = 8388608, rlim_max = 18446744073709551615} no_loadup = 0 junk = 0x0 dname_arg = 0x0 ch_to_dir = 0xb6bfecc0 "" Output of "list" in frame 3: 8439 /* On text terminals, we may stop at the end of a line in the middle 8440 of a multi-character glyph. If the glyph itself is continued, 8441 i.e. it is actually displayed on the next line, don't treat this 8442 stopping point as valid; move to the next line instead (unless 8443 that brings us offscreen). */ 8444 if (!FRAME_WINDOW_P (it->f) 8445 && op & MOVE_TO_POS 8446 && IT_CHARPOS (*it) == to_charpos 8447 && it->what == IT_CHARACTER 8448 && it->nglyphs > 1