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Message-ID: <s5hr5xrvb5m.wl%tiwai@suse.de>
Date: Thu, 11 Jun 2009 02:58:45 +0200
From: Takashi Iwai <tiwai@...e.de>
To: Sven Köhler <sven.koehler@...il.com>
Cc: David Miller <davem@...emloft.net>, linux-kernel@...r.kernel.org
Subject: Re: sound skipping regression introduced in 2.6.30-rc8
At Wed, 10 Jun 2009 21:37:41 +0200,
Sven Köhler wrote:
>
> 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.
Which hardware?
> Can somebody point out, how I can set this xrun_debug thing or can
> somebody provide a patch that reverts the change?
Did you read my reply to David?
Takashi
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