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bug#2920: emacs crashes (freezes)


From: Sergio Roa
Subject: bug#2920: emacs crashes (freezes)
Date: Tue, 07 Apr 2009 15:41:44 +0200
User-agent: Thunderbird 2.0.0.21 (Macintosh/20090302)

When editing a file (for second time) which is in a directory mounted from a Samba server, gnu emacs (both Aquamacs and Carbon Emacs in MacOS) freezes when some edition is performed.

*gdb output:*

(gdb) run
Starting program: /Applications/Aquamacs Emacs.app/Contents/MacOS/Aquamacs Emacs Reading symbols for shared libraries +++++................................................................................ done 2009-04-07 15:26:30.287 Aquamacs Emacs[13701:813] *** CFMessagePort: bootstrap_register(): failed 1100 (0x44c) 'Permission denied', port = 0x1e03, name = 'org.gnu.AquamacsEmacs.ServiceProvider'
See /usr/include/servers/bootstrap_defs.h for the error codes.
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries ... done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . done
Reading symbols for shared libraries . don


*bt full output:*

(gdb) bt full
#0  0x910f09b6 in unlink ()
No symbol table info available.
#1 0x0009c88b in current_lock_owner (owner=0xbffff0a0, lfname=0xbffff030 "/Volumes/sergio/nnl_ndim-2.0/samples/.#prueba.xml") at filelock.c:518
        len = 10144
        ret = 10144
        local_owner = 0
        colon = 0x910f09b6 "s\016?"
        lfinfo = 0x16a24cd0 "address@hidden"
        bufsize = 379735277
#2  0x0009c9de in lock_file (fn=29900979) at filelock.c:556
        locker = 0
        attack = 0
        encoded_fn = -1861285450
        lock_info = {
  user = 0x16a7d720 "sergio",
  host = 0x16a80580 "pandion.dfki.uni-sb.de",
  pid = 10144,
  boot_time = 0
}
#3 0x0009eabe in prepare_to_modify_buffer (start=349, end=349, preserve_ptr=0x0) at insdel.c:2090
        base_buffer = (struct buffer *) 0x910f09b6
#4 0x0009f0b3 in insert_1_both (string=0xbffff21c "s?\a", nchars=1, nbytes=1, inherit=1, prepare=1, before_markers=0) at insdel.c:993
        string = (const unsigned char *) 0xbffff21c "s?\a"
        nchars = 1
        nbytes = 1
        inherit = 1
        prepare = 1
        before_markers = 0
#5 0x000a05cc in insert_and_inherit (string=0xbffff21c "s?\a", nbytes=1) at insdel.c:771
        nbytes = 1
        len = 1
        opoint = 1
#6  0x000b42ab in internal_self_insert (c=115, noautofill=0) at cmds.c:516
        hairy = 1
        tem = 0
        synt = Swhitespace
        overwrite = 41944073
        string = 1
        len = 1
        str = "s?\a"
        chars_to_delete = 0
        spaces_to_insert = 0
        c = 115
#7  0x00087f34 in command_loop_1 () at keyboard.c:1843
        c = 115
        value = -1861285450
        cmd = 1
        lose = 22024152
        nonundocount = 1
keybuf = {920, 48, -1073744996, 43692189, -1073745144, 462822, 250, 41979977, 7408544, -1880941380, 693413, 4528, -1073745112, 462891, 1555410, 5, 6356, -1880940780, 144, 7408544, -1073744984, 475267, -1073745012, 0, -1073745076, -1073745264, 0, 5832704, 41944073, 42321681}
        i = 1
        prev_modiff = 449
        prev_buffer = (struct buffer *) 0x16a46430
        already_adjusted = 0
#8 0x000e558a in internal_condition_case (bfun=0x87220 <command_loop_1>, handlers=41990897, hfun=0x7fe29 <cmd_error>) at eval.c:1484
        val = -1861285450
        c = {
  tag = 41944073,
  val = 41944073,
  next = 0xbffff48c,
  gcpro = 0x0,
jmp = {-1073806465, -1880940780, 8106, 939174, 41944073, 41944073, 3842464, 3828432, -1073744856, -1073745040, 31, 658, 939310, 980680727, 3801119, 3801119, -1073807360, -1073807305},
  backlist = 0x0,
  handlerlist = 0x0,
  lisp_eval_depth = 0,
  pdlcount = 2,
  poll_suppress_count = 0,
  interrupt_input_blocked = 0,
  byte_stack = 0x0
}
        h = {
  handler = 41990897,
  var = 41944073,
  chosen_clause = 0,
  tag = 0xbffff388,
  next = 0x0
}
#9  0x00079b89 in command_loop_2 () at keyboard.c:1333
        val = 0
#10 0x000e547b in internal_catch (tag=41988177, func=0x79b45 <command_loop_2>, arg=41944073) at eval.c:1224
        c = {
  tag = 41988177,
  val = 41944073,
  next = 0x0,
  gcpro = 0x0,
jmp = {852863, -1880937764, 8106, 938975, 868256, 42128098, 3850880, 3828432, -1073744632, -1073744784, 42074143, 658, 939118, -1756692457, -1073807329, -1073807329, 41943040, 42074167},
  backlist = 0x0,
  handlerlist = 0x0,
  lisp_eval_depth = 0,
  pdlcount = 2,
  poll_suppress_count = 0,
  interrupt_input_blocked = 0,
  byte_stack = 0x0
}
        tag = 0
#11 0x00079963 in command_loop () at keyboard.c:1312
        val = 0
#12 0x00079a17 in recursive_edit_1 () at keyboard.c:1010
        val = 0
#13 0x00079b06 in Frecursive_edit () at keyboard.c:1071
        buffer = -1861285450
#14 0x00078ce8 in main (argc=1, argv=0xbffff6e4) at emacs.c:1770
        dummy = 1460424
        stack_bottom_variable = -112 '?'
        do_initial_setlocale = 1
        skip_args = 0
        rlim = {
  rlim_cur = 8388608,
  rlim_max = 67104768
}
        no_loadup = 0
        junk = 0x0


*backtrace output:*

(gdb) backtrace
#0  0x910f09b6 in unlink ()
#1 0x0009c88b in current_lock_owner (owner=0xbffff0a0, lfname=0xbffff030 "/Volumes/sergio/nnl_ndim-2.0/samples/.#prueba.xml") at filelock.c:518
#2  0x0009c9de in lock_file (fn=29900979) at filelock.c:556
#3 0x0009eabe in prepare_to_modify_buffer (start=349, end=349, preserve_ptr=0x0) at insdel.c:2090 #4 0x0009f0b3 in insert_1_both (string=0xbffff21c "s?\a", nchars=1, nbytes=1, inherit=1, prepare=1, before_markers=0) at insdel.c:993 #5 0x000a05cc in insert_and_inherit (string=0xbffff21c "s?\a", nbytes=1) at insdel.c:771
#6  0x000b42ab in internal_self_insert (c=115, noautofill=0) at cmds.c:516
#7  0x00087f34 in command_loop_1 () at keyboard.c:1843
#8 0x000e558a in internal_condition_case (bfun=0x87220 <command_loop_1>, handlers=41990897, hfun=0x7fe29 <cmd_error>) at eval.c:1484
#9  0x00079b89 in command_loop_2 () at keyboard.c:1333
#10 0x000e547b in internal_catch (tag=41988177, func=0x79b45 <command_loop_2>, arg=41944073) at eval.c:1224
#11 0x00079963 in command_loop () at keyboard.c:1312
#12 0x00079a17 in recursive_edit_1 () at keyboard.c:1010
#13 0x00079b06 in Frecursive_edit () at keyboard.c:1071
#14 0x00078ce8 in main (argc=1, argv=0xbffff6e4) at emacs.c:1770


In GNU Emacs 22.1.91.2 (i386-apple-darwin8.11.1, Carbon Version 1.6.0)
 of 2008-02-23 on plume.sr.unh.edu
Windowing system distributor `Apple Inc.', version 10.5.6
configured using `configure  '--without-x' '--prefix=/usr/local''

Important settings:
  value of $LC_ALL: en_US
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: UTF-8
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: nil
  locale-coding-system: iso-8859-1
  default-enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:
  encoded-kbd-mode: t
  tooltip-mode: t
  mac-input-method-mode: t
  tool-bar-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  auto-compression-mode: t
  line-number-mode: t

Recent input:
<help-echo> <down-mouse-1> <mouse-1> <backspace> M-x
r e p o r t = <backspace> - e m a c s - b u g <ret
urn>

Recent messages:
("/Applications/Aquamacs Emacs.app/Contents/MacOS/Aquamacs Emacs" "-Q")
For information about GNU Emacs and the GNU system, type C-h C-a.
Loading encoded-kb...done
Loading emacsbug...done

--
Sergio Roa
http://www.dfki.de/~sroa
-------------------------------------------------------------
Deutsches Forschungszentrum fuer Kuenstliche Intelligenz GmbH
Trippstadter Strasse 122, D-67663 Kaiserslautern, Germany
* Geschaeftsfuehrung: Prof. Dr. Wolfgang Wahlster (Vors.)
                      Dr. Walter Olthoff
* Vorsitzender des Aufsichtsrats:Prof. Dr. h.c. Hans A. Aukes
Amtsgericht Kaiserslautern, HRB 2313
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