Re: Emacs crashes when visiting folders with mh-e

[Benjamin Pierce]

> > I am seeing frequent (one per day or so), but not reliably repeatable emacs
> > crashes when I visit a new folder in mh-e.  
>
> I'm cannot spend time looking at a crash in a version built more than
> six months ago...
> 
> Can you try an up-to-date version, and see if the problem has been
> fixed already.

OK, I can now confirm that the same crash is also present in the CVS version
of emacs from earlier this week.  A gdb backtrace follows the configuration
information.

Please let me know if there is anything further I can do to help with
debugging. 

Regards,

    - Benjamin


In GNU Emacs 22.0.50.1 (powerpc-apple-darwin7.8.0, X toolkit, Xaw3d scroll bars)
 of 2005-03-26 on dsl-207-245-69-66.cust.oldcity.dca.net
Distributor `The XFree86 Project, Inc', version 11.0.40300000
configured using `configure '--without-carbon' '--with-x''

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: nil
  locale-coding-system: nil
  default-enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:
  auto-compression-mode: t
  tooltip-mode: t
  tool-bar-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  blink-cursor-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
<down-mouse-1> <mouse-1> M-x r e p o r t - SPC <re
turn>

Recent messages:
Loading rsz-mini...done
Package rsz-mini is obsolete
Loading reportmail (source)...

Loading reportmail (source)...done
Loading /Users/bcpierce/common/gnu/ProofGeneral/generic/proof-site.el 
(source)...done
Loading jka-compr...done
Loading auto-revert (source)...done
Loading /Users/bcpierce/common/gnu/emacs-common.el (source)...done
Loading emacsbug...done

------------------------------------------------------------------------------

~> gdb /usr/local/bin/emacs  
GNU gdb 5.3-20030128 (Apple version gdb-309) (Thu Dec  4 15:41:30 GMT 2003)
Copyright 2003 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "powerpc-apple-darwin".
Reading symbols for shared libraries ................ done
(gdb) run
Starting program: /usr/local/bin/emacs 
Reading symbols for shared libraries ++++.......................................
............ done

Program received signal EXC_BAD_ACCESS, Could not access memory.
0x0001c6fc in move_it_vertically (it=0xbfffdaf0, dy=19454237) at xdisp.c:6409
6409          if (IT_CHARPOS (*it) == ZV
(gdb) bt
#0  0x0001c6fc in move_it_vertically (it=0xbfffdaf0, dy=19454237) at 
xdisp.c:6409
#1  0x0003f8f8 in Fwindow_end (window=1, update=0) at window.c:1065
#2  0x0010bb3c in Ffuncall (nargs=1, args=0xbfffde68) at eval.c:2789
#3  0x00138858 in Fbyte_code (bytestr=-1073750420, vector=1526264, 
maxdepth=-1073750424) at bytecode.c:686
#4  0x0010c174 in funcall_lambda (fun=-1073750424, nargs=2668644, 
arg_vector=0x287f08) at eval.c:2974
#5  0x0010bc8c in Ffuncall (nargs=1, args=0xbfffde68) at eval.c:2843
#6  0x0010b4ac in run_hook_with_args (nargs=2668644, args=0xbfffde68, 
cond=3221216876) at eval.c:2452
#7  0x0010b618 in run_hook_with_args_2 (hook=1, arg1=19454237, arg2=0) at 
eval.c:2522
#8  0x00042f14 in set_window_buffer (window=2, buffer=-1073750424, 
run_hooks_p=2695256, keep_margins_p=2668644) at window.c:3094
#9  0x000430a0 in Fset_window_buffer (window=-1073750424, buffer=-1073750640, 
keep_margins=-1073750420) at window.c:3141
#10 0x000bbc14 in switch_to_buffer_1 (buffer=30394483, norecord=58721281) at 
buffer.c:1640
#11 0x0010bb3c in Ffuncall (nargs=1, args=0x28bb50) at eval.c:2789
#12 0x00138858 in Fbyte_code (bytestr=2694808, vector=30394483, 
maxdepth=2669392) at bytecode.c:686
#13 0x0010c174 in funcall_lambda (fun=2669392, nargs=2668644, 
arg_vector=0x287f08) at eval.c:2974
#14 0x0010bc8c in Ffuncall (nargs=1, args=0x28bb50) at eval.c:2843
#15 0x00138858 in Fbyte_code (bytestr=2694808, vector=30394483, 
maxdepth=2669392) at bytecode.c:686
#16 0x0010c174 in funcall_lambda (fun=2669392, nargs=2668644, 
arg_vector=0x287f08) at eval.c:2974
#17 0x0010be30 in apply_lambda (fun=2668644, args=2694808, eval_flag=2669392) 
at eval.c:2896
#18 0x0010afc4 in Feval (form=23051940) at eval.c:2190
#19 0x00107f74 in Fprogn (args=1) at eval.c:408
#20 0x0010c148 in funcall_lambda (fun=7754005, nargs=-1073747952, 
arg_vector=0x287f08) at eval.c:2967
#21 0x0010bc8c in Ffuncall (nargs=1, args=0x765115) at eval.c:2843
#22 0x0010b268 in Fapply (nargs=-1073747952, args=0x5) at eval.c:2284
#23 0x0010b690 in apply1 (fn=25810993, arg=4) at eval.c:2542
#24 0x001066a4 in Fcall_interactively (function=7754000, record_flag=58721281, 
keys=2653960) at callint.c:412
#25 0x000add2c in Fcommand_execute (cmd=25810993, record_flag=2665096, keys=5, 
special=9) at keyboard.c:9697
#26 0x000a1f24 in command_loop_1 () at keyboard.c:1792
#27 0x001099a4 in internal_condition_case (bfun=0xa0d50 <command_loop_1>, 
handlers=58766425, hfun=0xa0640 <cmd_error>) at eval.c:1385
#28 0x000a0ab4 in command_loop_2 () at keyboard.c:1319
#29 0x001093bc in internal_catch (tag=1, func=0xa0a74 <command_loop_2>, 
arg=58721281) at eval.c:1144
#30 0x000a0a0c in command_loop () at keyboard.c:1298
#31 0x000a0298 in recursive_edit_1 () at keyboard.c:991
#32 0x000a0448 in Frecursive_edit () at keyboard.c:1052
#33 0x0009eef8 in main (argc=2694840, argv=0x170984) at emacs.c:1767
(gdb)