Re: [gentoo-user] Console scrollback

[karl@aspodata.se]

Alex Mackenzie:
...
> I've now cobbled together a working console scroll on Linux
> 5.4.80-gentoo-r1.  In the end, I reused much of the old machinery which
> was still present in 4.19.97.  Once I've tidied it up, I hope that the
> resulting patch file will apply cleanly also to later versions than
> 5.4.80-r1.
...

Nice, where is the patch so I can try ?

> (i) The scrolling doesn't work on /dev/tty1 aka the console.
> (ii) When, e.g., /dev/tty6 has been scrolled upwards a bit, and then
>   <Alt><F2> pressed to go to /dev/tty2, on returning to /dev/tty6, the
>   scrolling has been cancelled and the cursor is no longer visible.
>   However, the scrollback buffer is still present.
> 
> I think I'm fairly likely to be able to solve (ii).  However, (i), the
> problem with /dev/tty1, has me baffled.  I don't know where to start
> looking for the problem.  If anybody with some kernel knowledge could
> make any suggestions, I'd be very grateful.

What happens if you set /dev/console to be /dev/ttyS0, i.e. make sure 
that tty1 is the only one using the first virtual console.

Regards,
/Karl Hammar