[alsa-devel] [snd-usb-audio] frequent "delay: estimated xxx, actual yyy" messages

Clemens Ladisch clemens at ladisch.de
Tue Apr 24 15:59:15 CEST 2012

Guillaume Clement wrote:
> Could the delay not be the cause, but a side effect ?

Yes, that's probable.  It might be possible that some interrupt got
delayed too much, or that packets were completed in wrong order.

> Do you have any idea why keeping my CPU busy removes the problem ?

I'd guess that an idle CPU needs a longer time to wake up.
What CPU and what CPU frequency governor are you using?


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