From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Eikum <aeikum@codeweavers.com>
Subject: Re: Infinite loop in snd_pcm_hw_htimestamp() for
 capture	PCMs?
Date: Fri, 21 Sep 2012 11:15:59 -0500
Message-ID: <20120921161559.GI4615@foghorn.codeweavers.com>
References: <20120921155343.GH4615@foghorn.codeweavers.com>
 <s5ha9wjpdog.wl%tiwai@suse.de>
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To: Takashi Iwai <tiwai@suse.de>
Cc: Andrew Eikum <aeikum@codeweavers.com>, alsa-devel@alsa-project.org
List-Id: alsa-devel@alsa-project.org

On Fri, Sep 21, 2012 at 06:02:07PM +0200, Takashi Iwai wrote:
> At Fri, 21 Sep 2012 10:53:43 -0500,
> Andrew Eikum wrote:
> > I've found some unexpected behavior in alsa-lib. The attached program
> > uses 100% CPU in an infinite loop, when I'd expect it to return either
> > an error or a valid htimestamp. I believe the loop occurs in
> > <src/pcm/pcm_hw.c:snd_pcm_hw_htimestamp()>. Am I not supposed to call
> > htimestamp() on this type of PCM? Is the PCM still in an invalid state
> > when htimestamp() is called?
> 
> Indeed, it's a bug in dmix/dsnoop/dshare plugins.
> Fixed now in git tree.
> 

Thanks for the fix.

Andrew