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#1 2018-05-26 23:38:01

depaulicious
Member
From: Milan, Italy
Registered: 2018-02-07
Posts: 3
Website

Fan at maximum rpm after suspend

Hello,
since a few kernel updates, a bug started appearing on my computer (ThinkPad X1 Yoga 1st, 20FR).
When I suspend the computer and turn it back on, the fan goes maximum power until I completely shut it down (it stays high if I only reboot it).
I'm currently running Linux 4.16.11-1-ARCH (same bug on Linux-CK).

This is a kernel log that starts before suspending the computer and ends after resuming it: https://gist.github.com/Depau/cb3932125 … 1776289c4b

Main question is: should I open an issue for the kernel? How do I report issues for the kernel on ArchLinux?

Thanks,
Davide

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#2 2018-05-26 23:47:24

loqs
Member
Registered: 2014-03-06
Posts: 17,196

Re: Fan at maximum rpm after suspend

reporting-bugs  When you have found the commit responsible report it upstream.
If you have a patch that is accepted by upstream then report it on the arch bug tracker and it may be included before the next upstream release.

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#3 2018-06-02 11:08:35

depaulicious
Member
From: Milan, Italy
Registered: 2018-02-07
Posts: 3
Website

Re: Fan at maximum rpm after suspend

Hello, I built a bunch of kernel versions and found out the bug was introduced between 4.14.45 (the last of 4.14 series) and 4.15. However I am unable to find the commits between these two releases - the way git tags in the kernel repo are named is not really helpful.

Do you have any hints on this, so I can try rebuilding it with the suspicious commits reverted and see if it works?
Thank you.

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