Re: Emacs freezes when editing a file with one extremely long line even with so-long-minor-mode enabled.

[Eli Zaretskii]

> From: Hongyi Zhao <hongyi.zhao@gmail.com>
> Date: Sun, 8 May 2022 08:10:25 +0800
> Cc: help-gnu-emacs <help-gnu-emacs@gnu.org>
> 
> > > `M-x so-long-minor-mode RET`
> > >
> > > At this moment, Emacs still freezes. Any hints for tackling this
> > > problem?
> >
> > M-x global-so-long-mode helps.  Emacs opens the file in fundamental
> > mode anyway, so maybe `so-long-mode' as major mode is acceptable.
> 
> I've already enabled both modes, but the problem remains, as shown in
> the attached file.

Did you try setting line-move-visual to nil, in addition to the other
measures?