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From: Yong Zhang <yong.zhang0@gmail.com>
To: "Nallasellan, Singaravelan" <singaravelan.nallasellan@intel.com>
Cc: Arjan van de Ven <arjan@infradead.org>,
	"alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: Player Thread is not woken after period elapsed
Date: Wed, 14 Sep 2011 16:39:17 +0800	[thread overview]
Message-ID: <20110914083916.GA23710@zhy> (raw)
In-Reply-To: <3CA6C6D9F70D314CA34352990B57DA1507C4317651@bgsmsx502.gar.corp.intel.com>

On Fri, Sep 09, 2011 at 06:12:03PM +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?
> Tried. It did not help.
> > 
> > And BTW, have you tried CONFIG_DETECT_SOFTLOCKUP = y?
> > 
> It is already set. 

That sound at least kwatchdogd could be scheduled suscessfully.

And if CONFIG_DETECT_HUNG_TASK could not bite your "Player Thread",
I have no idea what's going on.

Maybe you could try the latest kernel?

Thanks,
Yong

  reply	other threads:[~2011-09-14  8:39 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-05 17:38 Player Thread is not woken after period elapsed Nallasellan, Singaravelan
2011-09-05 17:52 ` Arjan van de Ven
2011-09-05 18:08   ` Nallasellan, Singaravelan
2011-09-05 18:08     ` Nallasellan, Singaravelan
2011-09-05 18:22     ` Arjan van de Ven
2011-09-06 14:19       ` Nallasellan, Singaravelan
2011-09-06 14:19         ` Nallasellan, Singaravelan
2011-09-07  3:06         ` Arjan van de Ven
2011-09-07 12:02           ` Nallasellan, Singaravelan
2011-09-07 12:02             ` Nallasellan, Singaravelan
2011-09-08  2:13             ` Yong Zhang
2011-09-08  7:29               ` Yong Zhang
2011-09-08  9:45                 ` Nallasellan, Singaravelan
2011-09-08  9:45                   ` Nallasellan, Singaravelan
2011-09-09  6:07                   ` Yong Zhang
2011-09-09 12:42                     ` Nallasellan, Singaravelan
2011-09-09 12:42                       ` Nallasellan, Singaravelan
2011-09-14  8:39                       ` Yong Zhang [this message]
2011-09-14  9:18 ` Shan Hai

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