From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: Sam Steingold Newsgroups: gmane.emacs.devel Subject: crash in display, triggered by calendar Date: 06 Aug 2002 09:15:19 -0400 Sender: emacs-devel-admin@gnu.org Message-ID: Reply-To: sds@gnu.org NNTP-Posting-Host: localhost.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: main.gmane.org 1028639734 18247 127.0.0.1 (6 Aug 2002 13:15:34 GMT) X-Complaints-To: usenet@main.gmane.org NNTP-Posting-Date: Tue, 6 Aug 2002 13:15:34 +0000 (UTC) Return-path: Original-Received: from quimby.gnus.org ([80.91.224.244]) by main.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 17c4BR-0004k9-00 for ; Tue, 06 Aug 2002 15:15:33 +0200 Original-Received: from fencepost.gnu.org ([199.232.76.164]) by quimby.gnus.org with esmtp (Exim 3.12 #1 (Debian)) id 17c4WV-0007T7-00 for ; Tue, 06 Aug 2002 15:37:19 +0200 Original-Received: from localhost ([127.0.0.1] helo=fencepost.gnu.org) by fencepost.gnu.org with esmtp (Exim 3.35 #1 (Debian)) id 17c4By-0005ci-00; Tue, 06 Aug 2002 09:16:06 -0400 Original-Received: from h021.c001.snv.cp.net ([209.228.32.135] helo=c001.snv.cp.net) by fencepost.gnu.org with smtp (Exim 3.35 #1 (Debian)) id 17c4BG-0005Uw-00 for ; Tue, 06 Aug 2002 09:15:22 -0400 Original-Received: (cpmta 1414 invoked from network); 6 Aug 2002 06:15:21 -0700 Original-Received: from 65.114.186.226 (HELO glip.premonitia.com) by smtp.premonitia.com (209.228.32.135) with SMTP; 6 Aug 2002 06:15:21 -0700 X-Sent: 6 Aug 2002 13:15:21 GMT Original-To: emacs-devel@gnu.org X-Attribution: Sam X-Disclaimer: You should not expect anyone to agree with me. Mail-Copies-To: never Original-Lines: 309 User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3.50 Errors-To: emacs-devel-admin@gnu.org X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.0.11 Precedence: bulk List-Help: List-Post: List-Subscribe: , List-Id: Emacs development discussions. List-Unsubscribe: , List-Archive: Xref: main.gmane.org gmane.emacs.devel:6308 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:6308 GNU Emacs 21.3.50.22 (i686-pc-linux-gnu, X toolkit, Xaw3d scroll bars) of 2002-08-06 on glip.premonitia.com in the CVS head emacs, build a minute ago: emacs has a long-standing bug: diary requires that diary-file (normally "~/.diary") to be writable or to start with a newline. Now this old bug triggers a crash. $ cd ~ $ mv .diary .diary.tmp $ echo ';' > .diary $ cat .diary.tmp >> .diary $ rm -f .diary.tmp $ chmod -w .diary $ emacs M-x calendar M-x view-diary-entries you will get a message in the minibuffer that # is read-only (even if you set debug-on-error to t, you will not get a backtrace!) C-x b .diary RET ===> CRASH!!! Program received signal SIGSEGV, Segmentation fault. next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4819 4819 int success_p = 1; (gdb) where #0 next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4819 #1 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #2 0x0806053f in forward_to_next_line_start (it=0xbfffe3f0, skipped_p=0xbf8000a8) at xdisp.c:3871 #3 0x08060781 in reseat_at_next_visible_line_start (it=0xbfffe3f0, on_newline_p=1) at xdisp.c:3996 #4 0x0806165b in next_element_from_ellipsis (it=0xbfffe3f0) at xdisp.c:4775 #5 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #6 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #7 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #8 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #9 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #10 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #11 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #12 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #13 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #14 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #15 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #16 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #17 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #18 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #19 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #20 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #21 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #22 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #23 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #24 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #25 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #26 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #27 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #28 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #29 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #30 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #31 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #32 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #33 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #34 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #35 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #36 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #37 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #38 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #39 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #40 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #41 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #42 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #43 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #44 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #45 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #46 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #47 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #48 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #49 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #50 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #51 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #52 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #53 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #54 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #55 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #56 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 ---Type to continue, or q to quit--- #57 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #58 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #59 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #60 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #61 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #62 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #63 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #64 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #65 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #66 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #67 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #68 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #69 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #70 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #71 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #72 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #73 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #74 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #75 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #76 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #77 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #78 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #79 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #80 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #81 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #82 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #83 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #84 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #85 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #86 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #87 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #88 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #89 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #90 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #91 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #92 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #93 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #94 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #95 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #96 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #97 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #98 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #99 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #100 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #101 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #102 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #103 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #104 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #105 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #106 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #107 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #108 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #109 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #110 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #111 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #112 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #113 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 #114 0x08060b88 in get_next_display_element (it=0xbfffe3f0) at xdisp.c:4213 #115 0x080618eb in next_element_from_buffer (it=0xbfffe3f0) at xdisp.c:4909 ---Type to continue, or q to quit---q Quit (gdb) p it $3 = (struct it *) 0xbfffe3f0 (gdb) p *it $4 = { window = 1212942904, w = 0x84c0a38, f = 0x84c0910, method = 0x80616a4 , stop_charpos = 5866, end_charpos = 5866, s = 0x0, string_nchars = 0, region_beg_charpos = -1, region_end_charpos = -1, redisplay_end_trigger_charpos = 0, multibyte_p = 1, header_line_p = 0, string_from_display_prop_p = 0, dp = 0x82d3f88, dpvec = 0x0, dpend = 0xbfffe43c, dpvec_char_len = 1, saved_face_id = 0, ctl_chars = {94, 77, 0 }, current = { pos = { charpos = 5865, bytepos = 5865 }, overlay_string_index = -1, string_pos = { charpos = -1, bytepos = -1 }, dpvec_index = -1 }, overlay_strings = {0, 0, 0}, n_overlay_strings = 0, string = 405361476, stack = {{ stop_charpos = 0, face_id = 0, string = 0, pos = { pos = { charpos = 0, bytepos = 0 }, overlay_string_index = 0, string_pos = { charpos = 0, bytepos = 0 }, dpvec_index = 0 }, end_charpos = 0, string_nchars = 0, area = LEFT_MARGIN_AREA, multibyte_p = 0, string_from_display_prop_p = 0, display_ellipsis_p = 0, space_width = 0, ---Type to continue, or q to quit--- voffset = 0, font_height = 0 }, { stop_charpos = 0, face_id = 0, string = 0, pos = { pos = { charpos = 0, bytepos = 0 }, overlay_string_index = 0, string_pos = { charpos = 0, bytepos = 0 }, dpvec_index = 0 }, end_charpos = 0, string_nchars = 0, area = LEFT_MARGIN_AREA, multibyte_p = 0, string_from_display_prop_p = 0, display_ellipsis_p = 0, space_width = 0, voffset = 0, font_height = 0 }}, sp = 0, selective_display_ellipsis_p = 0, ctl_arrow_p = 1, selective = 0, what = IT_CHARACTER, face_id = 0, face_box_p = 0, start_of_box_run_p = 0, end_of_box_run_p = 0, overlay_strings_at_end_processed_p = 1, glyph_not_available_p = 0, starts_in_middle_of_char_p = 0, face_before_selective_p = 1, base_face_id = 0, c = 13, len = 1, cmp_id = 0, cmp_len = 0, char_to_display = 33, image_id = 0, space_width = 405361476, voffset = 0, font_height = 405361476, object = 1215887680, position = { charpos = 5865, bytepos = 5865 }, truncate_lines_p = 0, tab_width = 8, truncation_pixel_width = 0, ---Type to continue, or q to quit--- continuation_pixel_width = 0, first_visible_x = 0, last_visible_x = 480, last_visible_y = 725, extra_line_spacing = 0, glyph_row = 0x84d149c, area = TEXT_AREA, nglyphs = 1, pixel_width = 6, ascent = 11, descent = 2, max_ascent = 11, max_descent = 2, phys_ascent = 9, phys_descent = 0, max_phys_ascent = 11, max_phys_descent = 2, current_x = 402, continuation_lines_width = 0, current_y = 91, vpos = 7, hpos = 59 } -- Sam Steingold (http://www.podval.org/~sds) running RedHat7.3 GNU/Linux Are you smart enough to use Lisp?