Re: [PATCH RFC v1 0/2] VM fork detection for RNG

Jason A. Donenfeld
2022-02-24T10:57:56Z

On Thu, Feb 24, 2022 at 11:56 AM Daniel P. Berrangé <berrange@redhat.com> wrote:
> IIRC this part of the QEMU doc was making an implicit assumption
> about the way QEMU is to be used by mgmt apps doing snapshots.
>
> Instead of using the 'loadvm' command on the existing running QEMU
> process, the doc seems to tacitly expect the management app will
> throwaway the existing QEMU process and spawn a brand new QEMU
> process to load the snapshot into, thus getting the new GUID on
> the QEMU command line.

Right, exactly. The "there are no known use cases" bit I think just
forgot about one very common use case that perhaps just wasn't in use
by the original author. So I'm pretty sure this remains a QEMU bug.

Jason