On 14-06-2020 14:14, Lars Noodén via Dng wrote: > On 6/14/20 2:03 PM, d...@d404.nl wrote: >> On 14-06-2020 12:53, Lars Noodén via Dng wrote: >>> On 6/14/20 1:47 PM, d...@d404.nl wrote: >>>> On 14-06-2020 12:38, Lars Noodén via Dng wrote: >>>>> An upgrade to Beowulf went very smoothly but since upgrading I notice >>>>> that the fans are always running. Although the air temperature is about >>>>> 25°C the cores seem to run much hotter than necessary, pushing 70°C or >>>>> hotter. The system is not really under any load. What should I be >>>>> looking at to make corrections? >>>>> >>>>> ----- >>>>> >>>>> $ grep -i pretty /etc/os-release ; uname -sr >>>>> PRETTY_NAME="Devuan GNU/Linux 3 (beowulf)" >>>>> Linux 4.19.0-9-amd64 >>>>> >>>>> >>>> You can try to add intel_pstate=disable to your startup line. >>> Thanks. It may already be disabled¹ though: >>> >>> # cat /sys/kernel/debug/tracing/events/power/pstate_sample/enable >>> 0 >>> >>> # cat /sys/kernel/debug/tracing/events/power/cpu_frequency/enable >>> 0 >>> >>> However, this is all an area I know nothing about. >>> >>> ¹ https://www.kernel.org/doc/html/v4.12/admin-guide/pm/intel_pstate.html >>> _______________________________________________ >> It is not my daily job either but what i understand when intel_pstate is >> disabled acpi-cpufreq takes it over. (And most likely did in ASCII.) >> >> Give it a try and if it works add it to grub. >> > Seems to have made a difference of over 20°C. > > > /Lars
Which is still quiet high. I would advise to renew the thermal paste on your processor. I can recommend Arctic Silver 5 AS5-3.5G Thermal Paste. Made a difference of another 20°C on idle on my old i5. Grtz. Nick
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