bug#15725: 24.3; Using C-x C-c to close Emacs running in windowed mode on Windows can leave window blank and unresponsive

bug#15725: 24.3; Using C-x C-c to close Emacs running in windowed mode on Windows can leave window blank and unresponsive

[William Kunkel]

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Sometimes, when closing an instance of Emacs that is running in windowed
mode using C-x C-c, Emacs will not properly exit. Instead, the contents
of the window will disappear, including the minibuffer, status bar, and
shortcut icons at the top. The background color will remain, but no
keyboard shortcuts will have any effect, and the application menu,
i.e. "File, Edit, Options" etc. will become unresponsive. Each menu item
will still be highlighted when the mouse hovers over it, but clicking
the menu item produces no effect. In this state, the window cannot be
closed either through C-x C-c or by clicking the red "x" button in the
top right-hand corner, and must be closed via Task Manager or taskkill.

Please note that because this happens only when closing Emacs, the
recent actions section of this bug report will describe this session,
not one in which this bug occurred.


In GNU Emacs 24.3.1 (i386-mingw-nt6.2.9200)
 of 2013-03-17 on MARVIN
Windowing system distributor `Microsoft Corp.', version 6.2.9200
Configured using:
 `configure --with-gcc (4.7) --cflags
 -ID:/devel/emacs/libs/libXpm-3.5.8/include
 -ID:/devel/emacs/libs/libXpm-3.5.8/src
 -ID:/devel/emacs/libs/libpng-dev_1.4.3-1/include
 -ID:/devel/emacs/libs/zlib-dev_1.2.5-2/include
 -ID:/devel/emacs/libs/giflib-4.1.4-1/include
 -ID:/devel/emacs/libs/jpeg-6b-4/include
 -ID:/devel/emacs/libs/tiff-3.8.2-1/include
 -ID:/devel/emacs/libs/gnutls-3.0.9/include
 -ID:/devel/emacs/libs/libiconv-1.13.1-1-dev/include
 -ID:/devel/emacs/libs/libxml2-2.7.8/include/libxml2'

Important settings:
  value of $LANG: ENU
  locale-coding-system: cp1252
  default enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:
  diff-auto-refine-mode: t
  delete-selection-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
M-x r e p o r t - b u g - e m a c s <return> <backspace>
<delete> <delete> <backspace> <backspace> <backspace>
<backspace> <backspace> <backspace> <backspace> <backspace>
e m <tab> <return>

Recent messages:
Loading c:/Users/William/AppData/Roaming/.emacs.d/custom.el (source)...done
For information about GNU Emacs and the GNU system, type C-h C-a.
delete-forward-char: End of buffer [2 times]
call-interactively: End of buffer [2 times]

Load-path shadows:
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bug#15725: 24.3; Using C-x C-c to close Emacs running in windowed mode on Windows can leave window blank and unresponsive

[Eli Zaretskii]

> Date: Sat, 26 Oct 2013 16:18:12 -0400
> From: William Kunkel <will@wkunkel.com>
> 
> Sometimes, when closing an instance of Emacs that is running in windowed
> mode using C-x C-c, Emacs will not properly exit. Instead, the contents
> of the window will disappear, including the minibuffer, status bar, and
> shortcut icons at the top. The background color will remain, but no
> keyboard shortcuts will have any effect, and the application menu,
> i.e. "File, Edit, Options" etc. will become unresponsive. Each menu item
> will still be highlighted when the mouse hovers over it, but clicking
> the menu item produces no effect. In this state, the window cannot be
> closed either through C-x C-c or by clicking the red "x" button in the
> top right-hand corner, and must be closed via Task Manager or taskkill.

Please see if this isn't bug #14333, by providing information
regarding the threads of the stuck Emacs and their backtraces.  The
information about how to produce this info is in the discussions of
that bug report.

Thanks.

bug#15725: 24.3; Using C-x C-c to close Emacs running in windowed mode on Windows can leave window blank and unresponsive

[Dani Moncayo]

>> Sometimes, when closing an instance of Emacs that is running in windowed
>> mode using C-x C-c, Emacs will not properly exit. Instead, the contents
>> of the window will disappear, including the minibuffer, status bar, and
>> shortcut icons at the top. The background color will remain, but no
>> keyboard shortcuts will have any effect, and the application menu,
>> i.e. "File, Edit, Options" etc. will become unresponsive. Each menu item
>> will still be highlighted when the mouse hovers over it, but clicking
>> the menu item produces no effect. In this state, the window cannot be
>> closed either through C-x C-c or by clicking the red "x" button in the
>> top right-hand corner, and must be closed via Task Manager or taskkill.
>
> Please see if this isn't bug #14333, by providing information
> regarding the threads of the stuck Emacs and their backtraces.  The
> information about how to produce this info is in the discussions of
> that bug report.

For the record: I still get hung sessions from time to time when
trying to close the application (I've just got one of them).  I
already sent the backtrace, but I'd provide more info if needed.

-- 
Dani Moncayo

bug#15725: 24.3; Using C-x C-c to close Emacs running in windowed mode on Windows can leave window blank and unresponsive

[Eli Zaretskii]

> Date: Wed, 13 Nov 2013 17:06:07 +0100
> From: Dani Moncayo <dmoncayo@gmail.com>
> Cc: William Kunkel <will@wkunkel.com>, 15725@debbugs.gnu.org
> 
> For the record: I still get hung sessions from time to time when
> trying to close the application (I've just got one of them).

I know, and I didn't forget.  I just don't know what else to do or
what data to ask for, in order to find the reason(s) for this.