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

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From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Gregory Heytings <gregory <at> heytings.org>
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: Sun, 26 Feb 2023 15:31:28 +0200

On 26/02/2023 15:15, Gregory Heytings wrote:
> 
>>> . "emacs -Q", then type 'a' (which visits a file?)
>>> . "emacs" with your configuration, then type "C-x b", which visits a 
>>> file
>>>
>>> In both cases, you see a delay before the display is updated, right?
>>
>> About 1 in 5-10 tries the delay is high enough to be noticeable 
>> (200-300ms with -Q and up to 1-2 seconds with my config).
>>
> 
> What happens if instead of your recipe you use these ones
> 
> emacs -Q --eval "(tool-bar-mode -1)" --eval "(menu-bar-mode -1)" --eval 
> "(scroll-bar-mode -1)" --eval "(global-set-key \"a\" (lambda () 
> (interactive) (message "a pressed!") (find-file \"test.c\")))"
> 
> emacs -Q --eval "(tool-bar-mode -1)" --eval "(menu-bar-mode -1)" --eval 
> "(scroll-bar-mode -1)" --eval "(global-set-key \"a\" (lambda () 
> (interactive) (find-file \"test.c\") (message "file loaded!")))"
> 
> ?

Both of these make the problem go away, too.

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