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

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Message #161 received at 61667 <at> debbugs.gnu.org (full text, mbox):

From: Gregory Heytings <gregory <at> heytings.org>
To: Dmitry Gutov <dgutov <at> yandex.ru>
Cc: Po Lu <luangruo <at> yahoo.com>, 61667 <at> debbugs.gnu.org,
 Eli Zaretskii <eliz <at> gnu.org>
Subject: Re: bug#61667: 29.0.60; Failure to redisplay
Date: Fri, 24 Feb 2023 13:20:55 +0000

>
> So, I finished bisecting, at it points to:
>
> 817dd546497aadefbe9acc8762e3f7190799c5e6 is the first bad commit
> commit 817dd546497aadefbe9acc8762e3f7190799c5e6
> Author: Stefan Kangas <stefan <at> marxist.se>
> Date:   Sun Sep 13 18:24:31 2020 +0200
>
>    Improve frame-title-format and icon-title-format
>
>    * src/xdisp.c (syms_of_xdisp): Replace 'invocation-name' with the text
>    "%b - GNU Emacs" and replace "@" with " at ".  (Bug#41147)
>    * etc/NEWS: Announce the above change.
>

Aha.  This is rather surprising, but it also means that GNOME has perhaps 
nothing to do with the bug.  As I said in my other post, can you possibly 
try to reproduce the bug with your config with a non-GNOME window manager? 
(I don't know what distro you use, but there are a number of very 
lightweight window managers that you can easily install and remove.)

>
> - Before this commit: the window title doesn't change, it's always 
> emacs <at> hostname. But when I press 'a' (bound to 'find-file' lambda), 
> there never is a noticeable delay before the window contents change. The 
> buffer is displayed instantly.
>

This means that if you set frame-title-format to some constant string in 
Emacs 29 the bug should also disappear.  Can you check that?

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