Re: sound skipping regression introduced in 2.6.30-rc8

[David Miller]

From: Takashi Iwai <tiwai@xxxxxxx>
Date: Mon, 15 Jun 2009 11:48:43 +0200

> The below is a revised patch.  It has an additional sanity check.
> Please give it a try.

This is significantly worse.

It skips many times every second.  It even skips at least once
per second with xrun_debug set to "5".

[340486.694613] intel8x0_measure_ac97_clock: measured 50109 usecs (2416 samples)
[340486.694620] intel8x0: clocking to 48000
[340542.816403] PCM: hw_ptr skipping! [Q] (pos=16280, delta=16280, period=1024, jdelta=2/33/0)
[340542.837725] PCM: hw_ptr skipping! [Q] (pos=16280, delta=16280, period=1024, jdelta=5/33/1)
[340542.859059] PCM: hw_ptr skipping! [Q] (pos=16280, delta=15256, period=1024, jdelta=2/31/0)
[340542.868179] PCM: hw_ptr skipping! (pos=16280, delta=15256, period=1024, jdelta=3/31)
[340542.869193] PCM: hw_ptr skipping! (pos=16280, delta=15256, period=1024, jdelta=3/31)
[340542.869364] PCM: hw_ptr skipping! (pos=16280, delta=15256, period=1024, jdelta=3/31)
[340542.869384] PCM: hw_ptr skipping! (pos=16280, delta=15256, period=1024, jdelta=3/31)
[340542.880392] PCM: hw_ptr skipping! [Q] (pos=16280, delta=15256, period=1024, jdelta=4/31/1)
[340542.890488] PCM: hw_ptr skipping! (pos=16280, delta=14232, period=1024, jdelta=1/29)
[340542.890508] PCM: hw_ptr skipping! (pos=16280, delta=14232, period=1024, jdelta=1/29)
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