Messages in this thread | | | Date | Mon, 5 Sep 2011 10:52:53 -0700 | From | Arjan van de Ven <> | Subject | Re: Player Thread is not woken after period elapsed |
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On Mon, 5 Sep 2011 23:08:53 +0530 "Nallasellan, Singaravelan" <singaravelan.nallasellan@intel.com> wrote:
> Hi, > > When I tried to root cause a glitch in the audio playback, I found a > weird behavior. > > User thread which invokes the writei function which in turn invokes > a kernel function which waits for the free buffer to write the audio > data. This kernel function adds this thread to a wake(sleep) queue > and calls a schedule_timeout (msecs_to_jiffies(10000)).
actually it doesn't... you must be on some really really old kernel or something.
> > Will you provide some hint on how to go about identifying the root > cause?
https://lkml.org/lkml/2011/9/5/201
-- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org
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