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Overheating MB: CPU boost frequency throttle, disable ACPI thermal_zone0 sensor or else?

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I have notebook with AMD Ryzen 7 5825U.

Code:

$ sudo cpupower frequency-infoanalyzing CPU 0:  driver: acpi-cpufreq  CPUs which run at the same hardware frequency: 0  CPUs which need to have their frequency coordinated by software: 0  maximum transition latency:  Cannot determine or is not supported.  hardware limits: 1.60 GHz - 2.00 GHz  available frequency steps:  2.00 GHz, 1.80 GHz, 1.60 GHz  available cpufreq governors: performance schedutil  current policy: frequency should be within 1.60 GHz and 2.00 GHz.                  The governor "schedutil" may decide which speed to use                  within this range.  current CPU frequency: 1.60 GHz (asserted by call to hardware)  boost state support:    Supported: yes    Active: yes    Boost States: 0    Total States: 3    Pstate-P0:  2000MHz    Pstate-P1:  1800MHz    Pstate-P2:  1600MHz
The problem is, that it has Max. Boost Clock Up to 4.5GHz.
Max boost for AMD processors is the maximum frequency achievable by a single core on the processor running a bursty single-threaded workload.
Best of all, Precision Boost 2 is entirely automatic: AMD’s intelligent processors have a sophisticated set of sensors designed to analyze conditions inside your PC and make the “go faster” decision as often as possible.
Even though the technology is automatic, there are still configuration steps you can take with your PC to maximize the performance benefit of Precision Boost 2. Such steps include:
  • Ensuring that your processor has adequate thermal paste
  • Configuring your CPU with a capable cooler that is mounted correctly
  • Ensuring your PC has healthy airflow from the outside with quality case fans
  • Configuring your motherboard BIOS with trusted, optimized settings
  • Configuring your PC with the latest version of Windows® 10
  • Installing the latest AMD Chipset Driver software
  • Updating your motherboard to the latest BIOS from your manufacturer
These steps are important because Precision Boost 2 is dependent on several factors including, but not limited to:
  • Processor temperature
  • Type of workload
  • Number of active cores
  • Power consumption (watts) from the processor socket
  • Current draw (amps) from the motherboard power delivery circuits
  • Proper firmware and software configuration
  • Operating system optimizations
  • Maximum boost frequency limit (product specification)
It would by OK, CPU temperature never exceed critical 100˚C.
But my computer is powered-off by another sensor: ACPI thermal_zone0, which allegedly measures temperature of MB. And probably when it reaches 100˚C, it forces computer to turn off due thermal protection. (After cca. 10 minutes of 100% CPU usage by 1 core/thread.)

Code:

$ sudo journalctlkernel: thermal thermal_zone0: acpitz: critical temperature reached, shutting downkernel: reboot: HARDWARE PROTECTION shutdown (Temperature too high)
Please, can I prevent such overheating by any settings? If yes, how?

Statistics: Posted by ruwolf — 2024-02-03 19:28 — Replies 0 — Views 33



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