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Since the latest kernel update to 5.10.3-arch1-1, there is a humming sound (much like a ground loop) coming from my speakers when there is no playback. I am not sure whether the kernel update is related, but I have made no other changes since the issue started.
If any sound is played, the hum will cease immediately, but will continue a few seconds after playback has stopped.
How do I revert to the previous behaviour, i.e. prevent the hum?
Last edited by salonkommunist (2021-01-02 00:46:51)
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Is there an open microphone? Try muting all input devices.
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Done, but to no effect.
Might this be related to some power saving mode as described here? https://www.kernel.org/doc/html/latest/ … rsave.html
There are, however a lot of items named /sys/modules/snd_* ; which do I edit?
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Fixed by changing the value inside /sys/module/snd_hda_intel/parameters/power_save to 0.
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I have the same kind of problem since kernel 5.10.
It's like a "fade in sound" for two seconds.
Fixed by changing the value inside /sys/module/snd_hda_intel/parameters/power_save to 0.
This solution only works until you reboot your system.
For a permanent fix, create a new .conf file :
/etc/modprobe.d/audio_disable_powersave.conf
Add the following settings in the file :
options snd_hda_intel power_save=0
Then reboot your system.
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