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

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From: Po Lu <luangruo <at> yahoo.com>
To: Dmitry Gutov <dgutov <at> yandex.ru>
Cc: 61667 <at> debbugs.gnu.org
Subject: bug#61667: 29.0.60; Failure to redisplay
Date: Tue, 21 Feb 2023 18:19:47 +0800

Dmitry Gutov <dgutov <at> yandex.ru> writes:

> Hovering the mouse over the mode-line does trigger the necessary
> redisplay. Alt-Tabbing to another window and then back also does
> that. Is that relevant?
>
> Simply moving the mouse (not over the mode-line) doesn't help.
>
> The refresh can also happen on its own, in 1-2 seconds.

I think this isn't a problem with the GLib input code then.

Alt-tabbing makes the X event reading code explicitly ask for a
redisplay.  If you build --with-checking=yes,glyphs and call
`trace-redisplay', what happens when the redisplay does not happen?

Thanks.

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