Re: [Qemu-devel] accidental mistyping of command line kills networking

[Avi Kivity]

On 10/28/2009 10:34 AM, Gleb Natapov wrote:
> > It shouldn't kill networking though.  If a guest has two nics
> > connected to the same host bridge (a reasonable configuration), and
> > then connects these two nics through its own bridge, it creates the
> > same sort of loop.  If that kills networking, we have a
> > guest-initiated DoS (not that the userspace-initiated DoS was much
> > better).
> >
> >      
> That's what STP is for.
>
>    

The guest need not respect it.  The host must survive network loopbacks.

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error compiling committee.c: too many arguments to function