Seemingly randomly, CPU cores 2-7 will park and cores 0-1 will throttle to an idle clock despite current heavy usage of a browser, video editor, VM, etc. What is running does not seem to affect the frequency or duration of the problem. This resolves only with patience, at any time between 30 seconds and 10 minutes after it starts.
I've checked for BIOS updates, etc. and all is up-to-date.
During:
Immediately after:
How can I diagnose this? I've not seen any consistent triggers.
Answer
Disabling HP CoolSense appeared to solve this issue. This is a localized answer to HP laptops, however.
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