Comment 18 for bug 832507

> Serge,
> The reason for the qemu-kvm task is that we think qemu-kvm is really the ultimate right place to add a '-serial ringbuffer:640k,file=/path/to/file' flag.
> All the other attempts are more hacky, but if upstream kvm had this , libvirt could expose it, and openstack could use it.
> I do not know whether or not it would be accepted upstream.

Thanks, Scott.

It seems a reasonable thing for upstream to accept. We have workarounds for
precise, right? (If not, then I should be giving this a shot right now)
If so I'll taking a stab at this after release.