Hello.
I have bisected the kernel a found that this is first bad commit:
ed3da3d9a0ef13c6fe1414ec73c9c1be12747b62 is first bad commit
commit ed3da3d9a0ef13c6fe1414ec73c9c1be12747b62
Author: Takashi Iwai <tiwai@xxxxxxx>
Date: Tue Mar 3 17:00:15 2009 +0100
ALSA: Rewrite hw_ptr updaters
Clean up and improve snd_pcm_update_hw_ptr*() functions.
snd_pcm_update_hw_ptr() tries to detect the unexpected hwptr jumps
more strictly to avoid the position mess-up, which often results in
the bad quality I/O with pulseaudio.
The hw-ptr skip error messages are printed when xrun proc is set to
non-zero.
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
:040000 040000 0fed70b9b8ffb0787e68aaf53d064fb5bb83fed5
6f3dd272021212e38f12896d73f8759e11ba4a6e M sound
----- Original Message -----
From: "Peter Hanzel" <hanzelpeter@xxxxxxxxx>
To: <alsa-user@xxxxxxxxxxxxxxxxxxxxx>
Sent: Monday, July 06, 2009 12:05 PM
Subject: Aplay underrun with kernel 2.6.30.1
> Hello.
>
> I have juts upgraded to new kernel 2.6.30.1 a alsa stops working. It play
> sound too fast a unhearable.
> I have also upgrade alsa-lib, alsa-utils to 1.0.20 a aplay gives me this:
>
> underrun!!! (at least -1339589159.995 ms long)
> underrun!!! (at least -1339589159.999 ms long)
> underrun!!! (at least -1339589159.999 ms long)
>
> a sound is not 10x faster.
> What is wrong?
>
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