Re: How to stop Qemu from resetting terminal?

[Peter Maydell]

On Mon, 18 Dec 2023 at 13:36, Dave Blanchard <dave@killthe.net> wrote:
>
>
> > If you're directing a guest's terminal to the console then things
> > like line wrapping are entirely up to the guest -- QEMU is
> > providing the equivalent of a piece of hardware like a serial
> > terminal, and how the guest chooses to write to it is up to
> > the guest's serial drivers and TTY layer. So it's the guest's
> > settings that control eg truncation vs wrapping.
>
> No, QEMU is clearly sending some kind of control codes to the terminal which 
> are resetting my Xterm to crazy defaults. This happens immediately on 
> poweron, before the guest OS has even loaded. Same thing for a telnet 
> connection; control codes are transmitted first thing which screws up Xterm. 
> If I suspend telnet to the background, issue a terminal reset, then resume, 
> the output is fixed.

Hmm. Well, we do put the terminal into raw mode (so that we
get stuff like ^C), but that is supposed to be reset when
QEMU exits.

What command line are you using exactly? I think the curses
UI is going to do more stuff to the terminal than if you
just say "-serial stdio", for example.

thanks
-- PMM