linux-kernel - RE: Player Thread is not woken after period elapsed

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Date:	Fri, 9 Sep 2011 18:12:03 +0530
From:	"Nallasellan, Singaravelan" <singaravelan.nallasellan@...el.com>
To:	Yong Zhang <yong.zhang0@...il.com>
CC:	Arjan van de Ven <arjan@...radead.org>,
	"alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: Player Thread is not woken after period elapsed

> > > > > 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?
Tried. It did not help.
> 
> And BTW, have you tried CONFIG_DETECT_SOFTLOCKUP = y?
> 
It is already set.