Re: Emacs freezes again when I try to open a file including only one very long line.

[Eli Zaretskii]

> From: Hongyi Zhao <hongyi.zhao@gmail.com>
> Date: Mon, 27 Jun 2022 10:36:55 +0800
> Cc: help-gnu-emacs <help-gnu-emacs@gnu.org>
> 
> On Mon, Jun 27, 2022 at 10:30 AM Eli Zaretskii <eliz@gnu.org> wrote:
> >
> > > From: Hongyi Zhao <hongyi.zhao@gmail.com>
> > > Date: Mon, 27 Jun 2022 08:51:23 +0800
> > >
> > > When I try to open the following file in Emacs, it freezes:
> > >
> > > $ wc  __tmp.symbols
> > >      0      1 896217 __tmp.symbols
> > >
> > > The file mentioned above has been attached. Any hints for fixing this 
> > > problem?
> >
> > Upgrade to Emacs 29?
> 
> My version of Emacs:
> 
> `M-x emacs-version RET`
> GNU Emacs 29.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.20,
> cairo version 1.16.0) of 2021-11-14

That's too old.  You need a very recent version, and then set the
variable max-redisplay-ticks to something like 250,000.