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

From: Eli Zaretskii
Subject: Re: Need help debugging Emacs: emacsclient will not draw its contents sometimes
Date: 2015年9月08日 22:16:03 +0300 
> Date: Tue, 8 Sep 2015 11:58:35 -0700
> From: Jon Dufresne <address@hidden>
> Cc: address@hidden
>
> On Tue, Sep 8, 2015 at 10:18 AM, Eli Zaretskii <address@hidden> wrote:
> > The backtrace shows that Emacs is idle, waiting for input, which is
> > normal. Try typing "finish" repeatedly to step out of the functions
> > shown in the backtrace, until some of them doesn't return. Then tell
> > here which one didn't.
>
> Thanks!
>
> I have tried this. The results are below. The client process hung on
> the first "finish" while the server process took a few more commands
> but eventually hung in command_loop_1(). Any thoughts on this?
The "hang" in command_loop_1 is not a hang -- that's the main loop
where Emacs does its job.
So now the question is why you don't see the display. Please step
through command_loop_1 until it calls read_key_sequence, step into
that, then step until it calls read_char, and step through read_char
until it calls redisplay_internal. Once you are inside
redisplay_internal, step through it and show which lines are being
executed.
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