Re: [PATCH] tests/functional: Convert the kvm_xen_guest avocado test

[Daniel P . Berrangé]

On Wed, Dec 18, 2024 at 12:48:01PM +0100, David Woodhouse wrote:
> On 18 December 2024 12:32:49 CET, Thomas Huth <thuth@redhat.com> wrote:
> >Use the serial console to execute the commands in the guest instead
> >of using ssh since we don't have ssh support in the functional
> >framework yet.
> >
> >Signed-off-by: Thomas Huth <thuth@redhat.com>
> 
> Hm, but serial is lossy and experience shows that it leads to
> flaky tests if the guest (or host) misses bytes. While SSH would just go 
> slower.

Practically all of our tests are using the serial console for interaction.
QEMU serial port emulation is generally written to stall if the fifo is
full, and not throwaway data.

With regards,
Daniel
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