Re: Need help debugging Emacs: emacsclient will not draw its contents sometimes

[Eli Zaretskii <eliz@gnu.org>]

> Date: Thu, 10 Sep 2015 11:20:20 -0700
> From: Jon Dufresne <jon.dufresne@gmail.com>
> Cc: emacs-devel@gnu.org
> 
> On Thu, Sep 10, 2015 at 8:26 AM, Eli Zaretskii <eliz@gnu.org> wrote:
> > This shows that Emacs examined the frames and windows, and decided
> > that nothing requires to be redrawn.  Most redisplay cycles are like
> > that, so this trace doesn't yet point to any problem.
> 
> For clarification on what I see, see the image: https://i.imgur.com/HWrwtUm.png

Is the background of the frame correct?  That is, if it were
completely displayed, would you expect the background color to remain
as it is shown in that screenshot?

> > What happens if you type "M-x redraw-display RET"? does Emacs display
> > anything?
> 
> Nothing. This is true if I type "M-x redraw-display RET" with the
> drawn frame focused or the non-drawn frame focused. Would it help to
> set a breakpoint before typing this command? If so where would you
> expect something interesting?

I will need to think a bit about that.

Thanks for the info.

Do you have a way to try this with a development snapshot of Emacs 25?