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STATUS_HIBERNATED
The machine entered the S4 sleeping state
Hibernation is the ACPI S4 state: volatile system context is written to disk and the machine can remove power while retaining a resumable session. This informational status marks completion of the transition rather than a failure. It should be correlated with the preceding power action and the later resume path.
Tools processing power events should not present it as a crash or ordinary shutdown. The important diagnostic questions are whether the hibernation image was written successfully, which devices were armed for wake, and whether the subsequent boot restored or discarded that image.
What to inspect
- Record the requested power action, sleep-state capability and hibernation-file configuration.
- Correlate Kernel-Power events and powercfg sleep-study or system-sleep diagnostics.
- On the next boot, determine whether resume used the saved image or fell back to a cold start.
References
- Microsoft: System sleeping states
- Microsoft: System and device power states
- Microsoft: powercfg command-line options
- Microsoft Open Specifications: NTSTATUS values
- ReactOS source: kernel power manager
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