bug#17526: 24.3.90; Crash in Cygwin-w32 build

[Ken Brown]

I just got a crash with the following backtrace:

#0  0x000007fefd5f3ca3 in KERNELBASE!DebugBreak ()
   from /c/Windows/system32/KERNELBASE.dll
#1  0x000000010061a344 in emacs_abort ()
    at /usr/src/debug/emacs-24.3.90-1/src/w32fns.c:8460
#2  0x000000010043616a in move_it_to (it=0x4284e0, to_charpos=-1, to_x=-1,
    to_y=-1, to_vpos=10, op=4)
    at /usr/src/debug/emacs-24.3.90-1/src/xdisp.c:9198
#3  0x0000000100436fc2 in move_it_by_lines (it=0x4284e0, dvpos=10)
    at /usr/src/debug/emacs-24.3.90-1/src/xdisp.c:9490
#4  0x000000010048972d in window_scroll_pixel_based (window=4312108109, n=10,
    whole=false, noerror=0) at /usr/src/debug/emacs-24.3.90-1/src/window.c:5021
#5  0x0000000100488e6e in window_scroll (window=4312108109, n=10, whole=false,
    noerror=0) at /usr/src/debug/emacs-24.3.90-1/src/window.c:4838
#6  0x000000010048a976 in scroll_command (n=40, direction=1)
    at /usr/src/debug/emacs-24.3.90-1/src/window.c:5395
#7  0x000000010048a9ad in Fscroll_up (arg=40)
    at /usr/src/debug/emacs-24.3.90-1/src/window.c:5410
#8  0x0000000100599b62 in Ffuncall (nargs=2, args=0x429400)
    at /usr/src/debug/emacs-24.3.90-1/src/eval.c:2815
#9  0x0000000100598538 in eval_sub (form=4303443726)
    at /usr/src/debug/emacs-24.3.90-1/src/eval.c:2157
#10 0x0000000100596576 in internal_lisp_condition_case (var=4305639474,
    bodyform=4303443726, handlers=4303443758)
    at /usr/src/debug/emacs-24.3.90-1/src/eval.c:1323
#11 0x00000001005de00c in exec_byte_code (bytestr=4303442833,
    vector=4303442869, maxdepth=36, args_template=4305639474, nargs=0, args=0x0)
    at /usr/src/debug/emacs-24.3.90-1/src/bytecode.c:1169
#12 0x000000010059a5a0 in funcall_lambda (fun=4303442781, nargs=1,
    arg_vector=0x1008153b5 <pure+1729173>)
    at /usr/src/debug/emacs-24.3.90-1/src/eval.c:3049
#13 0x0000000100599d77 in Ffuncall (nargs=2, args=0x429c70)
    at /usr/src/debug/emacs-24.3.90-1/src/eval.c:2864
#14 0x0000000100598b81 in Fapply (nargs=2, args=0x429c70)
    at /usr/src/debug/emacs-24.3.90-1/src/eval.c:2301
#15 0x000000010059945b in apply1 (fn=4314187618, arg=25779245142)
    at /usr/src/debug/emacs-24.3.90-1/src/eval.c:2588
#16 0x0000000100591c5d in Fcall_interactively (function=4314187618,
    record_flag=4305639474, keys=4305688189)
    at /usr/src/debug/emacs-24.3.90-1/src/callint.c:378
#17 0x0000000100599bb3 in Ffuncall (nargs=4, args=0x429ff8)
    at /usr/src/debug/emacs-24.3.90-1/src/eval.c:2822
#18 0x00000001005dcaa2 in exec_byte_code (bytestr=4302634489,
    vector=4302634525, maxdepth=52, args_template=4100, nargs=1, args=0x42a590)
    at /usr/src/debug/emacs-24.3.90-1/src/bytecode.c:919
#19 0x000000010059a286 in funcall_lambda (fun=4302634445, nargs=1,
    arg_vector=0x42a588) at /usr/src/debug/emacs-24.3.90-1/src/eval.c:2983
#20 0x0000000100599d77 in Ffuncall (nargs=2, args=0x42a580)
    at /usr/src/debug/emacs-24.3.90-1/src/eval.c:2864
#21 0x00000001005994ca in call1 (fn=4305696770, arg1=4314187618)
    at /usr/src/debug/emacs-24.3.90-1/src/eval.c:2614
#22 0x0000000100500128 in command_loop_1 ()
    at /usr/src/debug/emacs-24.3.90-1/src/keyboard.c:1556
#23 0x0000000100596707 in internal_condition_case (
    bfun=0x1004ff821 <command_loop_1>, handlers=4305705682,
    hfun=0x1004fef62 <cmd_error>)
    at /usr/src/debug/emacs-24.3.90-1/src/eval.c:1354
#24 0x00000001004ff4e5 in command_loop_2 (ignore=4305639474)
    at /usr/src/debug/emacs-24.3.90-1/src/keyboard.c:1174
#25 0x0000000100595e81 in internal_catch (tag=4305695746,
    func=0x1004ff4b3 <command_loop_2>, arg=4305639474)
    at /usr/src/debug/emacs-24.3.90-1/src/eval.c:1118
#26 0x00000001004ff474 in command_loop ()
    at /usr/src/debug/emacs-24.3.90-1/src/keyboard.c:1153
#27 0x00000001004feadf in recursive_edit_1 ()
    at /usr/src/debug/emacs-24.3.90-1/src/keyboard.c:777
#28 0x00000001004fec83 in Frecursive_edit ()
    at /usr/src/debug/emacs-24.3.90-1/src/keyboard.c:845
#29 0x00000001004fca49 in main (argc=1, argv=0x42ab30)
    at /usr/src/debug/emacs-24.3.90-1/src/emacs.c:1646

Lisp Backtrace:
"scroll-up" (0x429408)
"funcall" (0x429400)
"mwheel-scroll" (0x429c78)
"call-interactively" (0x42a000)
"command-execute" (0x42a588)

I still have the gdb session open if further information would be useful.

Ken

In GNU Emacs 24.3.90.1 (x86_64-unknown-cygwin)
 of 2014-05-03 on fiona
Windowing system distributor `Microsoft Corp.', version 6.1.7601
Configured using:
 `configure
 --srcdir=/home/kbrown/src/cygemacs/emacs-24.3.90-1.x86_64/src/emacs-24.3.90
 --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin
 --libexecdir=/usr/libexec --datadir=/usr/share --localstatedir=/var
 --sysconfdir=/etc --libdir=/usr/lib --datarootdir=/usr/share
 --docdir=/usr/share/doc/emacs --htmldir=/usr/share/doc/emacs/html -C
 --with-w32 'CFLAGS=-ggdb -O2 -pipe -Wimplicit-function-declaration -O0
 
-fdebug-prefix-map=/home/kbrown/src/cygemacs/emacs-24.3.90-1.x86_64/build=/usr/src/debug/emacs-24.3.90-1
 
-fdebug-prefix-map=/home/kbrown/src/cygemacs/emacs-24.3.90-1.x86_64/src/emacs-24.3.90=/usr/src/debug/emacs-24.3.90-1'
 CPPFLAGS= LDFLAGS=-Wl,--stack,0x400000'

Important settings:
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Fundamental

Minor modes in effect:
  show-paren-mode: t
  display-time-mode: t
  delete-selection-mode: t
  tooltip-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  temp-buffer-resize-mode: t
  buffer-read-only: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
C-x d s r c / e m <tab> e m <tab> s r <tab> <return> 
SPC SPC SPC SPC SPC SPC SPC SPC SPC v C-u 9 4 9 0 g 
<wheel-up> <wheel-down> <down-mouse-1> <mouse-1> <wheel-down> 
<double-wheel-down> <triple-wheel-down> <wheel-down> 
<wheel-up> <double-wheel-up> <triple-wheel-up> <triple-wheel-up> 
<help-echo> <help-echo> q q C-h C-a M-x r e p o r t 
- e m <tab> <return>

Recent messages:
Loading help-at-pt...done
Loading paren...done
Loading /home/kbrown/emacs/.custom-24.el (source)...done
Loading /home/kbrown/emacs/cygwin-init.el (source)...done
For information about GNU Emacs and the GNU system, type C-h C-a.
mouse-2: visit this file in other window
View mode: type C-h for help, h for commands, q to quit.
Mark set
mouse-2: visit this file in other window
For information about GNU Emacs and the GNU system, type C-h C-a.

Load-path shadows:
None found.

Features:
(shadow gnus-util mail-extr emacsbug message idna cl-macs gv format-spec
rfc822 mml mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231
mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums
mm-util mail-prsvr mail-utils vc-bzr cc-langs cc-mode cc-fonts cc-guess
cc-menus cc-cmds cc-styles cc-align cc-engine cc-vars cc-defs view
server dired edmacro kmacro solar cal-dst planner-diary cl diary-lib
diary-loaddefs planner-publish muse-xml planner advice help-fns cal-menu
calendar cal-loaddefs sort muse-colors muse-latex muse-html
muse-xml-common cus-edit muse-publish muse-project muse-protocols
muse-regexps wid-edit cl-loaddefs cl-lib derived muse muse-nested-tags
muse-mode gap-mode-autoloads info easymenu muse-autoloads package
preview-latex tex-site auto-loads saveplace paren help-at-pt time delsel
cus-start cus-load time-date tooltip electric uniquify ediff-hook
vc-hooks lisp-float-type mwheel w32-common-fns disp-table w32-win
w32-vars tool-bar dnd fontset image regexp-opt fringe tabulated-list
newcomment lisp-mode prog-mode register page menu-bar rfn-eshadow timer
select scroll-bar mouse jit-lock font-lock syntax facemenu font-core
frame cham georgian utf-8-lang misc-lang vietnamese tibetan thai
tai-viet lao korean japanese hebrew greek romanian slovak czech european
ethiopic indian cyrillic chinese case-table epa-hook jka-cmpr-hook help
simple abbrev minibuffer nadvice loaddefs button faces cus-face macroexp
files text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget hashtable-print-readable backquote make-network-process
dbusbind gfilenotify w32 multi-tty emacs)

Memory information:
((conses 16 174489 9200)
 (symbols 48 26797 0)
 (miscs 40 119 178)
 (strings 32 37731 6072)
 (string-bytes 1 1158288)
 (vectors 16 18635)
 (vector-slots 8 467061 5782)
 (floats 8 438 80)
 (intervals 56 1208 0)
 (buffers 960 16))