Re: sound skipping regression introduced in 2.6.30-rc8

From: Sven Köhler
Date: Wed Jun 10 2009 - 15:40:19 EST


David Miller schrieb:
> This change:
>
> commit c87d9732004b3f8fd82d729f12ccfb96c0df279e
> Author: Takashi Iwai <tiwai@xxxxxxx>
> 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@xxxxxxx>
>
> 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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