Re: Player Thread is not woken after period elapsed

Yong Zhang
2011-09-09T06:07:43Z

On Thu, Sep 08, 2011 at 03:15:38PM +0530, Nallasellan, Singaravelan wrote:
> > > > Further investigation of this issue shows that the thread is in running state

Hmm, how do you detect it?

> > and it is not scheduled. I am not sure how I will go about debugging this issue.
> > Any pointer would help.

Could 'cat /proc/sched_debug' give some useful info?

And BTW, have you tried CONFIG_DETECT_SOFTLOCKUP = y?

Thanks,
Yong

> > >
> > > Could you confirm if [commit f26f9af Sched: fix skip_clock_update
> > > optimization] residents in your kernel?
> I applied this patch manually. I still see the issue.
> >
> > And commit da7a735e51f9622eb3e1672594d4a41da01d7e4f
> > http://marc.info/?l=linux-kernel&m=129527509622696&w=2
> This is already applied.
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