GNU bug report logs - #61667
29.0.60; Failure to redisplay

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From: Gregory Heytings <gregory <at> heytings.org>
To: Dmitry Gutov <dgutov <at> yandex.ru>
Cc: luangruo <at> yahoo.com, 61667 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>
Subject: bug#61667: 29.0.60; Failure to redisplay
Date: Mon, 27 Feb 2023 10:30:34 +0000

>
> I redid the screencast using ffmpeg and x11grab, and it captures the 
> problem fine. See the last two attempts (out of 6) in this video:
>
> https://a.uguu.se/PThfScNL.webm
>
> Note I also added (insert "!") and (redisplay) so that it's easy to see 
> the exact moment "a" was pressed.
>

Thanks!  After seeing this, I'm now convinced that the problem is not a 
GNOME one, for two reasons:

1.  The effect of (insert "!") (redisplay) is immediately visible on 
screen.  Why would GNOME treat the effect of changing the buffer from 
*scratch* to xassociations.rb differently?

2. The delay is different with emacs -Q (13 frames in that video, which at 
25 FPS means 520 ms) and with your config.  Why would GNOME treat the same 
app differently depending on how it is configured?

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