This is a bug fix on the qualified 3.0.0-pre4 release.
The release is only intended for users of 3.0.0-pre4.
Note that 3.0.0-pre5, 6 and 7 were internal testing builds
and have not been released publicly.
Bug Fixes
An issue was addressed when running a powered off processor.
Processors in power-off state could inadvertently exit idle mode
without being powered on first.