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bug#6540: 23.2; 23.2.1 (i386-mingw-nt6.1.7600) crashes too
From: |
Eli Zaretskii |
Subject: |
bug#6540: 23.2; 23.2.1 (i386-mingw-nt6.1.7600) crashes too |
Date: |
Sat, 07 Jan 2012 10:24:10 +0200 |
> From: Lars Magne Ingebrigtsen <larsi@gnus.org>
> Date: Sat, 07 Jan 2012 05:36:43 +0100
> Cc: 6540@debbugs.gnu.org
>
> Lars Magne Ingebrigtsen <larsi@gnus.org> writes:
>
> > oCameLo <camel322@gmail.com> writes:
> >
> >> Steps to reproduce:
> >>
> >> - emacs -q
> >>
> >> - (setq cache-long-line-scans t)
> >> C-x C-e
> >>
> >> - (insert (prin1-to-string (x-list-fonts "*")))
> >> C-j
> >
> > I'm unable to reproduce this with Emacs 24 under Linux. Has this bug
> > gone away in Emacs 24 for you, too?
>
> More information was requested, but no response was given within a few
> months, so I'm closing this bug report. If the problem still exists,
> please reopen this bug report.
I will reopen it, because it can be easily reproduced with the current
trunk. For the record, the backtrace is below.
Breakpoint 1, w32_abort () at w32fns.c:7193
7193 button = MessageBox (NULL,
(gdb) bt
#0 w32_abort () at w32fns.c:7193
#1 0x012f7f19 in set_cache_region (c=0x357d1a0, start=269, end=110364,
value=1) at region-cache.c:387
#2 0x012f860b in know_region_cache (buf=0x32a6000, c=0x357d1a0, start=269,
end=110364) at region-cache.c:694
#3 0x010fbc5d in scan_buffer (target=10, start=110361, end=1, count=-1,
shortage=0x0, allow_quit=0) at search.c:793
#4 0x010fc0c4 in find_next_newline_no_quit (from=110361, cnt=-1)
at search.c:935
#5 0x01166d9d in back_to_previous_line_start (it=0x82dcb0) at xdisp.c:5711
#6 0x0116726e in back_to_previous_visible_line_start (it=0x82dcb0)
at xdisp.c:5855
#7 0x0116fc5a in move_it_vertically_backward (it=0x82dcb0, dy=264)
at xdisp.c:8744
#8 0x011876b1 in redisplay_window (window=59080197, just_this_one_p=0)
at xdisp.c:15649
#9 0x0117fc3e in redisplay_window_0 (window=59080197) at xdisp.c:13603
#10 0x01033d0b in internal_condition_case_1 (
bfun=0x117fc0c <redisplay_window_0>, arg=59080197, handlers=53054174,
hfun=0x117fbeb <redisplay_window_error>) at eval.c:1537
#11 0x0117fbdb in redisplay_windows (window=59080197) at xdisp.c:13583
#12 0x0117db7e in redisplay_internal () at xdisp.c:13160
#13 0x0117ae70 in redisplay () at xdisp.c:12383
#14 0x010087e2 in read_char (commandflag=1, nmaps=2, maps=0x82fa30,
prev_event=53069850, used_mouse_menu=0x82fb5c, end_time=0x0)
at keyboard.c:2444
#15 0x0101c232 in read_key_sequence (keybuf=0x82fc60, bufsize=30,
prompt=53069850, dont_downcase_last=0, can_return_switch_frame=1,
fix_current_buffer=1) at keyboard.c:9300
#16 0x01005aa8 in command_loop_1 () at keyboard.c:1448
#17 0x01033bfb in internal_condition_case (bfun=0x10054b6 <command_loop_1>,
handlers=53127578, hfun=0x1004ce0 <cmd_error>) at eval.c:1499
#18 0x0100511c in command_loop_2 (ignore=53069850) at keyboard.c:1159
#19 0x010335bb in internal_catch (tag=53125602,
func=0x10050f9 <command_loop_2>, arg=53069850) at eval.c:1256
#20 0x010050d4 in command_loop () at keyboard.c:1138
#21 0x0100469e in recursive_edit_1 () at keyboard.c:758
#22 0x010049c0 in Frecursive_edit () at keyboard.c:822
#23 0x010027c8 in main (argc=2, argv=0xa32880) at emacs.c:1715
(gdb) up
#1 0x012f7f19 in set_cache_region (c=0x357d1a0, start=269, end=110364,
value=1) at region-cache.c:387
387 abort ();
(gdb) l
382 {
383 if (start > end)
384 abort ();
385 if (start < c->buffer_beg
386 || end > c->buffer_end)
387 abort ();
388
389 /* Eliminate this case; then we can assume that start and end-1 are
390 both the locations of real characters in the buffer. */
391 if (start == end)
(gdb) p c->buffer_beg
$1 = 1
(gdb) p c->buffer_end
$2 = 110362