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

Michael S. Tsirkin
2022-02-25T10:40:36Z

On Thu, Feb 24, 2022 at 11:57:34AM +0100, Jason A. Donenfeld wrote:
> 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

Quite possibly yes.

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