https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=292615
--- Comment #9 from Olivier Certner <[email protected]> --- Doing a summary of the discussion in revision https://reviews.freebsd.org/D54803, for more details see there. Will follow-up on it in the next comment. I asked Martin if lowering EPP would fix the diminished performance issue. This is not the case. I then asked him to report the content of `debug.hwpstate_amd0`. Results so far are in the 'cracauer-epp.log' file I have just attached to this bug. I asked Cy to raise EPP to see if that would prevent its processor from getting hot during buildworld, and to report the content of `debug.hwpstate_amd0`, but didn't get adequate feedback so far, except for some description of frequencies and temperatures, still in the context of a buildworld IIUC, reproduced here for convenience: """ I use powerd to limit the CPU frequency on this machine. If I don't limit the CPU frequency, i.e. let it go to 3300 MHz the machine will run hot at almost 100C. When I limit the frequency to 2200 MHz using powerd a buildworld will run between 45C and 55C. It's currently idling at 32.6C. When CPPC is enabled the CPU will run as high as 4300 MHz or higher as the CPU supports frequency boost higher than baseline frequency. Again it will max out at 100C after which it will reduce its frequency to run at 98C. Certainly not healthy for the CPU. BTW, this is a Framework 13 laptop. I doubt the cooling was designed properly to support such a CPU. """ -- You are receiving this mail because: You are the assignee for the bug.
