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2026-08-02 20:11
My Laptop's CPU stuck at Max Turbo 24/7 [ Here's Why ]
TL;DR: My HP EliteBook 840 G2 was running its CPU at max turbo (2900 MHz) around the clock, even at idle, cooking itself at 83–88°C and throttling on the RAPL power limit over 115,000 times in two hours. I traced it into intel_pstate.c, was fairly convinced I'd found a kernel bug, wrote up a whole Bugzilla report... and then the kernel documentation politely told me I hadn't. Here's the full inves...