On Fri, Dec 13, 2019 at 10:46:17AM -0200, Wainer dos Santos Moschetta wrote:
> 
> On 12/12/19 12:13 PM, Cleber Rosa wrote:
> > On Wed, Dec 11, 2019 at 01:55:35PM -0500, Wainer dos Santos Moschetta wrote:
> > > The QEMUMachine VM has a monitor setup on which an QMP
> > > connection is always attempted on _post_launch() (executed
> > > by launch()). In case the QEMU process immediatly exits
> > > then the qmp.accept() (used to establish the connection) stalls
> > > until it reaches timeout and consequently an exception raises.
> > > 
> > > That behavior is undesirable when, for instance, it needs to
> > > gather information from the QEMU binary ($ qemu -cpu list) or a
> > > test which launches the VM expecting its failure.
> > > 
> > > This patch adds the set_qmp_monitor() method to QEMUMachine that
> > > allows turn off the creation of the monitor machinery on VM launch.
> > > 
> > > Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
> > > Reviewed-by: Cleber Rosa <crosa@redhat.com>
> > > ---

FIY, queued on my python-next branch.

- Cleber.