PowerTOP: audio device active 100% of the time, how to file bug?

Daniel Chen seven.steps at gmail.com
Wed Mar 3 02:08:54 GMT 2010


On Tue, Mar 2, 2010 at 5:20 PM, Alexander van Loon
<a.vanloon at alexandervanloon.nl> wrote:
> And how would I investigate which
> applications are polling the device via alsa-lib?

Roughly:
sudo fuser -v /dev/dsp* /dev/snd/* /dev/audio* /dev/mixer* /dev/seq*

More interestingly, I recommend that you download a recent daily-live
Kubuntu desktop image and install and use powertop.  Lucid contains
more hooks for determining what is causing the symptom.



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