On 14-06-2020 12:53, Lars Noodén via Dng wrote:
> On 6/14/20 1:47 PM, dng@??? 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.


Grtz.


Nick