You probably need to load the kernel module for your Super I/O chip before
running . Try this first:
sudo modprobe -v w83627ehf
If pwmconfig then works, make the module load automatically at boot:
echo "w83627ehf" | sudo tee /etc/modules-load.d/w83627ehf.conf
If pwmconfig still doesn't work, run:
sudo sensors-detect
(Removing alsa-driver package because this isn't a sound issue.)
** Package changed: alsa-driver (Ubuntu) => ubuntu
** Changed in: ubuntu
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/2100719
Title:
Not able to change fan speed
Status in Ubuntu:
Incomplete
Bug description:
I am used to change the fan speed by running the following command:
```sudo pwmconfig ```
Unfortunately, i get the following output:
```
# pwmconfig version 3.6.0
This program will search your sensors for pulse width modulation (pwm)
controls, and test each one to see if it controls a fan on
your motherboard. Note that many motherboards do not have pwm
circuitry installed, even if your sensor chip supports pwm.
We will attempt to briefly stop each fan using the pwm controls.
The program will attempt to restore each fan to full speed
after testing. However, it is ** very important ** that you
physically verify that the fans have been to full speed
after the program has completed.
/usr/sbin/pwmconfig: There are no pwm-capable sensor modules installed
```
So, somehow the fan speed cannot be changed by pwmconfig because it states
`/usr/sbin/pwmconfig: There are no pwm-capable sensor modules installed`.
This worked using Ubuntu 20.04, but with Ubuntu 22.04 it is not
working.
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: alsa-base 1.0.25+dfsg-0ubuntu7
ProcVersionSignature: Ubuntu 6.11.0-17.17~24.04.2-generic 6.11.11
Uname: Linux 6.11.0-17-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/seq: thilo 1827 F.... pipewire
/dev/snd/controlC0: thilo 1831 F.... wireplumber
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sun Mar 2 21:49:27 2025
InstallationDate: Installed on 2025-03-01 (1 days ago)
InstallationMedia: Ubuntu 24.04.2 LTS "Noble Numbat" - Release amd64
(20250215)
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
PackageArchitecture: all
ProcEnviron:
LANG=de_DE.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
SourcePackage: alsa-driver
Symptom: audio
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/06/2010
dmi.bios.release: 8.15
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.50
dmi.board.name: 880GMH/USB3.
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP1.50:bd12/06/2010:br8.15:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rn880GMH/USB3.:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:skuToBeFilledByO.E.M.:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: To Be Filled By O.E.M.
dmi.product.sku: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
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