bug#61667: 29.0.60; Failure to redisplay

[Po Lu]

Dmitry Gutov <dgutov@yandex.ru> writes:

>   --eval "(setq frame-title-format \"foo bar foo\")"
>
> indeed makes the problem go away. Both the 200-300ms delay in my repro
> scenario, and the multi-second delay with my personal configuration.

But in this case the frame title will never change, so no problem can
show up.

BTW, is this related to the buffer swapping problem at all?  Isn't that
what we were trying to debug?