Subject: bug#61667: 29.0.60; Failure to redisplay

From: Eli Zaretskii <[email-masked]>
Date: Wed, 22 Feb 2023 19:07:43 +0200

> Date: Wed, 22 Feb 2023 18:24:43 +0200
> Cc: [email-masked]
> From: Dmitry Gutov <[email-masked]>
> 
> > Careful with printfs, since we know this problem goes away when there
> > are too many of them.  Use fputs whenever you can, since fprintf can
> > be much more expensive.
> 
> Indeed, I haven't managed to reproduce the problem even once when the 
> printing patch is applied.
> 
> I've  also tried this one, with the same lack of success:

Maybe instead of printing to stderr, we could display something in the
frame title, which is being updated in this scenario?  AFAIU, the
suggested printfs just show a couple of boolean flags?