bug#34059: 27.0.50; Emacs hangs on typing quit (MS-Windows)

[Stefan Kangas]

Hi Richard,

Richard Copley <rcopley@gmail.com> writes:

> On Mon, 14 Jan 2019, 15:40 Eli Zaretskii <eliz@gnu.org wrote:
>
>  > From: Richard Copley <rcopley@gmail.com>
>  > Date: Sun, 13 Jan 2019 16:00:23 +0000
>  > Cc: 34059@debbugs.gnu.org
>  > 
>  > On Sun, 13 Jan 2019 at 15:17, Eli Zaretskii <eliz@gnu.org> wrote:
>  > >
>  > > > From: Richard Copley <rcopley@gmail.com>
>  > > > Date: Sun, 13 Jan 2019 13:04:05 +0000
>  > > >
>  > > > Emacs sometimes hangs on typing quit, on MS-Windows.
>  > >
>  > > Thanks, but if you can, please provide more details about what was
>  > > Emacs doing when this happens.
>  > 
>  > I'm not sure exactly, sorry. I would have been reading console output
>  > from a process in a compilation-mode buffer, and using git via magit,
>  > around the time.
>
>  Any chance you could recollect why did you type C-g while at that?
>
> Not really. I had invoked M-x recompile, and didn't immediately see
> results in the compilation-mode buffer. That's not a compelling reason
> to type C-g so I suppose I had done something else too.
>
> The file I was editing/compiling wasn't saved (I recovered it from a
> stale autosave later). I don't remember whether I saw the "Save file
> %s? (...)" question, nor whether I had answered it if so. (I mention
> this in case it's a useful clue. Probably not.)
>
>> The message says "I'll send another report if and when I catch another hang".
>
>  I've found one, possibly two more places where we could QUIT while
>  holding a critical section.  I cannot know if they were part of your
>  hang, but I went ahead and fixed them on the emacs-26 branch.  Let's
>  see if they stop these hangs from happening.
>
> Great, thanks. Let's see.

That was one year ago.  Are you still seeing this on the most recent
version of Emacs?

Best regards,
Stefan Kangas