Re: Acer Aspire One NetBSD 11.0-RC1 slow man pages rendering in virtual consoles

[Ramiro Aceves <ea1abz%gmail.com@localhost>]

El 3/3/26 a las 23:34, RVP escribió:
> On Tue, 3 Mar 2026, Ramiro Aceves wrote:
>
> > I noticed that man pages rendering is very, very  slow on virtual consoles. Doing searchs with "/" is a pain, you see that lines are written from the top to botton in two steps as the page is 
> > filled. You have to wait several seconds until complete.
> >
> > On the other side, over a ssh session they render fast.
> >
> > I notice such behaviour on a NetBSD risc-v system under qemu but thought it was a matter of running qemu with no acceleration at all.
>
> Scrolling & paging being slow under QEMU VGA (+nvmm) is PR port-amd64/59361.

Thanks for answering RVP,

In my case I was using Qemu with no acceleration at all in a RPi4, If I recall correctly.
> If less(1) is slow on bare metal, then, it's just a matter of setting the
> correct TERM type:
>
> Edit /etc/ttys and set `constty' (vt100) to `off', and instead, set `ttyE0'
> to `on'.
>
> Real VT100s require delays for certain operations, like setting/removing
> attributes (bold/underline), or clearing the screen, and this delay is
> encoded in the terminfo entries.
>
> Virtual terminals like `wsvt25' don't need/have these delays.
>
> Just set the correct TERM.
>
> -RVP

That is fine, as you had read I fixed it changing constty to wsvt25.

Thanks so much for the explanation.
Regards.
Ramiro.