Addtional info to "Problem with reveal-post-command"

[Christoph Conrad]

In GNU Emacs 21.3.50.1 (i686-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2003-07-23 on linux
configured using `configure '--with-x''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: POSIX
  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: address@hidden
  locale-coding-system: iso-latin-9
  default-enable-multibyte-characters: t

RMS suggested to run Emacs under gdb. I did that, the error situation
when emacs hangs (flashes statusline) is:

#1  0xbfffcfd0 in ?? ()
#2  0x080bcd8e in XTring_bell () at xterm.c:2952
#3  0x080aa57c in ring_bell () at term.c:438
#4  0x08057495 in bitch_at_user () at dispnew.c:6120
#5  0x080de9af in cmd_error_internal (data=1487983624, context=0xbfffd0d8
"") at keyboard.c:1227
#6  0x080de8d4 in cmd_error (data=1487983624) at keyboard.c:1174
#7  0x0813726f in internal_condition_case (bfun=0x80dec40 <command_loop_1>,
handlers=405660476,
    hfun=0x80de820 <cmd_error>) at eval.c:1323
    #8  0x080deaee in command_loop_2 () at keyboard.c:1292
    #9  0x08136da5 in internal_catch (tag=405684868, func=0x80dead0
<command_loop_2>, arg=405549380)
    at eval.c:1094
    #10 0x080dea51 in command_loop () at keyboard.c:1263
    #11 0x080de594 in recursive_edit_1 () at keyboard.c:987
    #12 0x080de6d1 in Frecursive_edit () at keyboard.c:1043
    #13 0x08138d75 in Ffuncall (nargs=1, args=0xbfffd3e4) at eval.c:2721
    #14 0x0816122c in Fbyte_code (bytestr=953055860, vector=1225751272,
maxdepth=3)
    at bytecode.c:710
    #15 0x081383aa in Feval (form=1485716560) at eval.c:2084
    #16 0x08135df5 in Fprogn (args=1485716136) at eval.c:408
    #17 0x0808fe53 in Fsave_window_excursion (args=1485716136) at
window.c:5710
#18 0x0816163e in Fbyte_code (bytestr=953056036, vector=1221496112,
maxdepth=26)
    at bytecode.c:859
    #19 0x081392d7 in funcall_lambda (fun=1225133680, nargs=2,
arg_vector=0xbfffd75c) at eval.c:2911
#20 0x08138e81 in Ffuncall (nargs=3, args=0xbfffd758) at eval.c:2781
#21 0x0813875c in Fapply (nargs=3, args=0xbfffd758) at eval.c:2231
#22 0x08138d01 in Ffuncall (nargs=4, args=0xbfffd754) at eval.c:2705
#23 0x0816122c in Fbyte_code (bytestr=952405068, vector=1220841840,
maxdepth=7)
    at bytecode.c:710
    #24 0x081392d7 in funcall_lambda (fun=1220842024, nargs=2,
arg_vector=0xbfffd868) at eval.c:2911
#25 0x08138e81 in Ffuncall (nargs=3, args=0xbfffd864) at eval.c:2781
#26 0x0813875c in Fapply (nargs=2, args=0xbfffd8e4) at eval.c:2231
#27 0x08138a95 in apply1 (fn=407726556, arg=1485459680) at eval.c:2487
#28 0x08135bd8 in call_debugger (arg=1485459680) at eval.c:265
#29 0x0813797b in find_handler_clause (handlers=405660476,
conditions=1479340568,
    sig=405660476, data=1485459704, debugger_value_ptr=0xbfffd9c8) at
eval.c:1674
#30 0x081375ec in Fsignal (error_symbol=405660476, data=1485459704) at
eval.c:1505
#31 0x08137bbd in error (m=0x818f640 "Marker does not point anywhere",
    a1=0x6 <Address 0x6 out of bounds>, a2=0xbfffdb3c "lÛÿ¿:1\022\b\001",
        a3=0x81783ae "\203Ä \205À\017\205¥") at eval.c:1758
        #32 0x08100111 in marker_position (marker=678727412) at marker.c:801
        #33 0x080f967f in report_overlay_modification (start=23, end=23,
after=0, arg1=23, arg2=23,
    arg3=405549380) at buffer.c:4193
    #34 0x080fe8c9 in signal_before_change (start_int=23, end_int=23,
preserve_ptr=0x0)
    at insdel.c:2066
    #35 0x080fe586 in prepare_to_modify_buffer (start=23, end=23,
preserve_ptr=0x0) at insdel.c:1941
#36 0x080fd12c in insert_from_string_1 (string=941983904, pos=0, pos_byte=0,
nchars=2,
    nbytes=2, inherit=0, before_markers=0) at insdel.c:1106
    #37 0x080fd013 in insert_from_string (string=941983904, pos=0,
pos_byte=0, length=2,
    length_byte=2, inherit=0) at insdel.c:1056
    #38 0x081306a0 in general_insert_function (insert_func=0x80fcb60 <insert>,
        insert_from_string_func=0x80fcfe0 <insert_from_string>, inherit=0,
nargs=7, args=0xbfffdd64)
    at editfns.c:2028
    #39 0x08130722 in Finsert (nargs=7, args=0xbfffdd64) at editfns.c:2075
    #40 0x08161db6 in Fbyte_code (bytestr=941983656, vector=1210419220,
maxdepth=10)
    at bytecode.c:1309
    #41 0x081383aa in Feval (form=1478854552) at eval.c:2084
    #42 0x08135df5 in Fprogn (args=1478854544) at eval.c:408
    #43 0x081370d8 in Fcondition_case (args=1481121896) at eval.c:1263
    #44 0x081616cc in Fbyte_code (bytestr=941979896, vector=1210416544,
maxdepth=6)
    at bytecode.c:891
    #45 0x081392d7 in funcall_lambda (fun=1210415328, nargs=0,
arg_vector=0xbfffe118) at eval.c:2911
#46 0x08138e81 in Ffuncall (nargs=1, args=0xbfffe114) at eval.c:2781
#47 0x0816122c in Fbyte_code (bytestr=941975084, vector=1210410692,
maxdepth=6)
    at bytecode.c:710
    #48 0x081392d7 in funcall_lambda (fun=1210410516, nargs=0,
arg_vector=0xbfffe1d4) at eval.c:2911
#49 0x08138fc8 in apply_lambda (fun=1210410516, args=405549380, eval_flag=1)
at eval.c:2833
#50 0x0813853f in Feval (form=1480657928) at eval.c:2136
#51 0x080deb14 in top_level_2 () at keyboard.c:1301
#52 0x0813723d in internal_condition_case (bfun=0x80deb00 <top_level_2>,
handlers=405660476,
    hfun=0x80de820 <cmd_error>) at eval.c:1333
    #53 0x080deb4b in top_level_1 () at keyboard.c:1309
    #54 0x08136da5 in internal_catch (tag=405621724, func=0x80deb20
<top_level_1>, arg=405549380)
    at eval.c:1094
    #55 0x080dea7a in command_loop () at keyboard.c:1270
    #56 0x080de594 in recursive_edit_1 () at keyboard.c:987
    #57 0x080de6d1 in Frecursive_edit () at keyboard.c:1043
    #58 0x080dd415 in main (argc=1, argv=0xbfffe824) at emacs.c:1666
    #59 0x403447ee in __libc_start_main () from /lib/libc.so.6