When kernel boots with console=none, except the very first port io to the magic port indicating boot completion, the port io signal snapshotting does not succeeds. We know this failure because the println! added to the case of snapshot for writes to the magic port does not get printed.
When kernel boots with
console=none, except the very first port io to the magic port indicating boot completion, the port io signal snapshotting does not succeeds. We know this failure because theprintln!added to the case of snapshot for writes to the magic port does not get printed.