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 _______________________________________________ Dng mailing list Dng@lists.dyne.org https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/dng
