[linux-audio-user] Wanted: Singing Capacitor Fix (was: blaming Jack)

[Karsten Wiese]

Am Montag, 13. November 2006 17:11 schrieb Carlo Capocasa:
> As always when blaming someone it turns out this has absolutely nothing
> to do with the supposed culprit. Apparently, my lower-end Dell notebook
> has a singing capacitor, which gets induced by the jack daemon calling
> an interrupt, as indicated by the frequency of the noise problem
> correlating to the jack buffer size. Interestingly, the noise is not
> audible when the system is under some load.
> 
> My current approach is to find a load generator that will place a little
> load on the system to make the hum go away while still leaving some room
> for softsynths.

A simple load generator with low scheduling priority:

	echo 'for ((;1;)); do i=0; done;'|nice -n 19 sh

Run it in a shell.
Stop it with Ctrl+C.
No need for kernel fix here ;-)

      Karsten