Re: [Qemu-devel] -serial stdio broken

[Anthony Liguori]

On 01/07/2010 07:25 AM, Richard W.M. Jones wrote:
> On Thu, Jan 07, 2010 at 01:32:09PM +0100, Gerd Hoffmann wrote:
>    
> >    Hi,
> >
> >      
> > > So what seems to be happening here is there is an implicit monitor
> > > being set up which grabs stdio.  Because:
> > >
> > >     #define STDIO_MAX_CLIENTS 1
> > >
> > > my own -serial stdio option subsequently fails.  This is a regression
> > > over previous behaviour.  I didn't specify a monitor device, because I
> > > don't want one, and previous versions of qemu didn't give me one in
> > > nographic mode.
> > >        
> > They gave you a monitor too.  Try typing 'Ctrl-A c' on stdio, and you'll
> > see.  qemu tries to be more clever than you.  Which sucks IMHO.  But
> > getting rid of that without adding regressions seems to be really hard
> > ...
> >
> > Easiest way to workaround this is to simply not specify '-serial stdio'.
> >   It is the default anyway for -nographic, so you don't have to.
> >      
> I want to see the output of the serial port on stdio though.  I don't
> care at all about the monitor.
>    

-nographic gives you that.

nographic is a terrible name.  It really is, use this mode if you want 
to run something and only interact with it through the serial console.

Regards,

Anthony Liguori