4 ms·
> does not switch to 200MHz for a minute during video calls I had a Dell work laptop that did the same thing. As far as I was able to tell the system had a bug
by silotis 2y ago
> does not switch to 200MHz for a minute during video calls
I had a Dell work laptop that did the same thing. As far as I was able to tell the system had a bug/fault that continuously asserted the CPU's BD PROCHOT line when the integrated webcam was active. I don't think it was an Intel bug, the CPU was just responding to the external signal that (falsely) indicated the system was overheating.
- krackers 2y agoI think there's an MSR you can set to disable throttling when BD_PROCHOT is active.
- kelnos 2y agoI have a similar problem on my Framework laptop; I suspect it's Intel's fault. I've tailed the system's embedded controller log, and I see when PROCHOT gets triggered, but even while watching the temperatures quickly drop to safe levels, the condition never gets cleared. (It's possible it's a bug in the EC's firmware, but I'm afraid it might be something lower level.)
- userbinator 2y agoThrottleStop is your friend.