From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Robert Pluim Newsgroups: gmane.emacs.bugs Subject: bug#27668: 26.0.50; Crash with display-line-numbers t Date: Thu, 13 Jul 2017 20:17:51 +0200 Organization: not if I can help it Message-ID: <87mv88kxps.fsf@gmail.com> References: <87k23d7ovv.fsf@gmail.com> <83inixiv0m.fsf@gnu.org> <877ezd7luq.fsf@gmail.com> <83bmopitky.fsf@gnu.org> <87vamx65x0.fsf@gmail.com> <837ezdiq3z.fsf@gnu.org> <871spl5x5h.fsf@gmail.com> <834luhiinr.fsf@gnu.org> <8760ewviyt.fsf@gmail.com> <83pod4gv0i.fsf@gnu.org> <87r2xkl246.fsf@gmail.com> <83mv88gqzi.fsf@gnu.org> Reply-To: bug-gnu-emacs@gnu.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1499969961 13691 195.159.176.226 (13 Jul 2017 18:19:21 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 13 Jul 2017 18:19:21 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux) To: 27668@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Jul 13 20:19:17 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dVihk-0002wD-3O for geb-bug-gnu-emacs@m.gmane.org; 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Thu, 13 Jul 2017 14:18:06 -0400 Original-Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1dVigT-0007Zp-9M for bug-gnu-emacs@gnu.org; Thu, 13 Jul 2017 20:17:53 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: bug-gnu-emacs@gnu.org Original-Lines: 55 Original-X-Complaints-To: usenet@blaine.gmane.org Mail-Copies-To: never Cancel-Lock: sha1:77fBX3fC09DzsSEaem03H2xCx/c= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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" Xref: news.gmane.org gmane.emacs.bugs:134516 Archived-At: Eli Zaretskii writes: >> From: Robert Pluim >> Date: Thu, 13 Jul 2017 18:42:49 +0200 >> >> (gdb) break xdisp.c:21010 if it->glyph_row != 0 && it->glyph_row->used[1] > 0 >> Breakpoint 4 at 0x45baaf: file xdisp.c, line 21010. >> (gdb) run >> Starting program: /home/rpluim/repos/emacs-master/src/emacs >> [Thread debugging using libthread_db enabled] >> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". >> [New Thread 0x7fffe4de5700 (LWP 19567)] >> [New Thread 0x7fffdffff700 (LWP 19568)] >> [New Thread 0x7fffdf5f1700 (LWP 19569)] >> >> Thread 1 "emacs" hit Breakpoint 4, maybe_produce_line_number (it=it@entry=0x7fffffff8130) at xdisp.c:21010 >> 21010 short *u = it->glyph_row ? &it->glyph_row->used[TEXT_AREA] : NULL; >> >> >> I was in the process of switching from a non-line-number to a >> line-number buffer when that hit. > > OK, thanks. What is the value of it->glyph_row->used[TEXT_AREA], and > what is the backtrace? (gdb) p it->glyph_row->used[TEXT_AREA] $1 = 66 (gdb) bt #0 terminate_due_to_signal (sig=sig@entry=6, backtrace_limit=backtrace_limit@entry=2147483647) at emacs.c:363 #1 0x00000000005a5084 in die (msg=msg@entry=0x6987d8 "pdl->kind == SPECPDL_BACKTRACE", file=file@entry=0x698448 "eval.c", line=line@entry=150) at alloc.c:7348 #2 0x0000000000419f3b in backtrace_function (pdl=) at eval.c:150 #3 #4 maybe_produce_line_number (it=it@entry=0x7fffffff8130) at xdisp.c:21010 #5 0x0000000000465365 in display_line (it=it@entry=0x7fffffff8130, cursor_vpos=cursor_vpos@entry=16) at xdisp.c:21225 #6 0x00000000004672bd in try_window (window=..., window@entry=XIL(0x146d7d5), pos=..., flags=flags@entry=1) at xdisp.c:17544 #7 0x000000000047f9ab in redisplay_window (window=XIL(0x146d7d5), just_this_one_p=just_this_one_p@entry=false) at xdisp.c:16991 #8 0x00000000004831fb in redisplay_window_0 (window=..., window@entry=XIL(0x146d7d5)) at xdisp.c:14751 #9 0x00000000005c7cf4 in internal_condition_case_1 (bfun=bfun@entry=0x4831d0 , arg=..., handlers=..., hfun=hfun@entry=0x435960 ) at eval.c:1350 #10 0x000000000043d160 in redisplay_windows (window=...) at xdisp.c:14731 #11 0x000000000043d129 in redisplay_windows (window=...) at xdisp.c:14725 #12 0x000000000046c945 in redisplay_internal () at xdisp.c:14220 #13 0x000000000046eed5 in redisplay () at xdisp.c:13440 #14 0x0000000000545cfb in read_char (commandflag=commandflag@entry=1, map=..., map@entry=XIL(0x35b6253), prev_event=..., used_mouse_menu=used_mouse_menu@entry=0x7fffffffd6cb, end_time=end_time@entry=0x0) at keyboard.c:2484 #15 0x0000000000548ddb in read_key_sequence (keybuf=keybuf@entry=0x7fffffffd7b0, prompt=..., prompt@entry=XIL(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:9151 #16 0x000000000054b096 in command_loop_1 () at keyboard.c:1372 #17 0x00000000005c7c27 in internal_condition_case (bfun=bfun@entry=0x54adf0 , handlers=..., handlers@entry=XIL(0x4fb0), hfun=hfun@entry=0x53e770 ) at eval.c:1326 #18 0x00000000005380dc in command_loop_2 (ignore=..., ignore@entry=XIL(0)) at keyboard.c:1114 #19 0x00000000005c7b6c in internal_catch (tag=..., tag@entry=XIL(0xc1e0), func=func@entry=0x5380c0 , arg=..., arg@entry=XIL(0)) at eval.c:1091 #20 0x0000000000538099 in command_loop () at keyboard.c:1093 #21 0x000000000053e296 in recursive_edit_1 () at keyboard.c:699 #22 0x000000000053e613 in Frecursive_edit () at keyboard.c:770 #23 0x000000000041ad4b in main (argc=, argv=0x7fffffffdb58) at emacs.c:1706