Abort in try_window_id

[Alex Schroeder]

I have updated to Emacs CVS two weeks ago, and today I had an abort
in try_window_id.

In GNU Emacs 21.3.50.1 (i686-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2003-03-16 on confusibombus
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.ISO-8859-1
  locale-coding-system: iso-latin-1
  default-enable-multibyte-characters: t

Program received signal SIGABRT, Aborted.
0x402e0a51 in kill () from /lib/libc.so.6
(gdb) bt
#0  0x402e0a51 in kill () from /lib/libc.so.6
#1  0x080d413a in abort () at emacs.c:412
#2  0x0806d738 in try_window_id (w=0x84f6bb8) at xdisp.c:12170
#3  0x0806aea7 in redisplay_window (window=1213164472, just_this_one_p=1) at 
xdisp.c:10887
#4  0x0806854e in redisplay_window_1 (window=1213164472) at xdisp.c:9732
#5  0x0812be14 in internal_condition_case_1 (bfun=0x8068528 
<redisplay_window_1>, arg=1213164472, handlers=1479393084, 
    hfun=0x80684dc <redisplay_window_error>) at eval.c:1392
#6  0x08067d71 in redisplay_internal (preserve_echo_area=0) at xdisp.c:9358
#7  0x08066bac in redisplay () at xdisp.c:8720
#8  0x080d88e5 in read_char (commandflag=1, nmaps=4, maps=0xbffff540, 
prev_event=405472100, used_mouse_menu=0xbffff58c) at keyboard.c:2473
#9  0x080df5a0 in read_key_sequence (keybuf=0xbffff690, bufsize=30, 
prompt=405472100, dont_downcase_last=0, can_return_switch_frame=1, 
fix_current_buffer=1)
    at keyboard.c:8585
#10 0x080d6dc4 in command_loop_1 () at keyboard.c:1502
#11 0x0812bd0d in internal_condition_case (bfun=0x80d6ab0 <command_loop_1>, 
handlers=405568708, hfun=0x80d66b4 <cmd_error>) at eval.c:1351
#12 0x080d6978 in command_loop_2 () at keyboard.c:1290
#13 0x0812b885 in internal_catch (tag=405530012, func=0x80d6954 
<command_loop_2>, arg=405472100) at eval.c:1112
#14 0x080d6923 in command_loop () at keyboard.c:1269
#15 0x080d6478 in recursive_edit_1 () at keyboard.c:985
#16 0x080d65a0 in Frecursive_edit () at keyboard.c:1041
#17 0x080d5443 in main (argc=3, argv=0xbffffc54) at emacs.c:1659
(gdb) up
#1  0x080d413a in abort () at emacs.c:412
412       kill (getpid (), SIGABRT);
(gdb) up
#2  0x0806d738 in try_window_id (w=0x84f6bb8) at xdisp.c:12170
12170               abort ();
(gdb) l
12165             /* Set the cursor.  */
12166             row = row_containing_pos (w, PT, r0, NULL, 0);
12167             if (row)
12168               set_cursor_from_row (w, row, current_matrix, 0, 0, 0, 0);
12169             else
12170               abort ();
12171             return 1;
12172           }
12173       }
12174   
(gdb) p w
$1 = (struct window *) 0x84f6bb8
(gdb) p PT
No symbol "PT" in current context.
(gdb) p r0
$2 = (struct glyph_row *) 0x1cc
(gdb) p (current_buffer->pt + 0)
$3 = 121925
(gdb) p current_buffer
$4 = (struct buffer *) 0x8eff8b8