linux-kernel - Re: sound skipping regression introduced in 2.6.30-rc8

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Message-ID: <4A300B85.2010106@gmail.com>
Date:	Wed, 10 Jun 2009 21:37:41 +0200
From:	Sven Köhler <sven.koehler@...il.com>
To:	David Miller <davem@...emloft.net>
CC:	tiwai@...e.de, linux-kernel@...r.kernel.org
Subject: Re: sound skipping regression introduced in 2.6.30-rc8

David Miller schrieb:
> This change:
> 
> commit c87d9732004b3f8fd82d729f12ccfb96c0df279e
> Author: Takashi Iwai <tiwai@...e.de>
> Date:   Wed May 27 10:53:33 2009 +0200
> 
>     ALSA: Enable PCM hw_ptr_jiffies check only in xrun_debug mode
>     
>     The PCM hw_ptr jiffies check results sometimes in problems when a
>     hardware doesn't give smooth hw_ptr updates.  So far, au88x0 and some
>     other drivers appear not working due to this strict check.
>     However, this check is a nice debug tool, and the capability should be
>     still kept.
>     
>     Hence, we disable this check now as default unless the user enables it
>     by setting the xrun_debug mode to the specific stream via a proc file.
>     
>     Signed-off-by: Takashi Iwai <tiwai@...e.de>
> 
> causes sound to skip while listing to MP3s using mplayer on
> intel8x0 sound cards.

I'm also affected by the issue described above.

Can somebody point out, how I can set this xrun_debug thing or can
somebody provide a patch that reverts the change?


Regards,
  Sven
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