Comment 7 for bug 1489622

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Jeremy Sequoia (jeremyhu) wrote : Re: 15.10 20150826 snapshot -- MacBookPro3,1 has high load (and temperature) despite low CPU and low IO

On one particular boot with the external power connected, there were only 1176 interrupts for this event a few minutes after boot. It was stable at 1176. Upon disconnecting external power, it started its rapid cycling. Reconnecting the external power source did not solve the problem.

On another boot when running on battery, the same thing occurred upon connecting the external power source.

When in such a stable state for the interrupts, behavior matches them being disabled (which one would likely expect), with load averaging around 1.15-1.25 (compared to 1.65-1.95 when the interrupts are constantly firing).

So we probably need a quirk to just ignore this power-state-change GPE and still need to figure out the rest of the issue.