On Thu, Dec 18, 2008 at 10:49 AM, naveenkrishna. ch
<naveenkrishna.ch@xxxxxxxxx> wrote:
> Hello,
>
> I am working on OMAP3 + TWL4030 combination for ASoC codec
>
> The omap generic omap-pcm.c file has
>
> static const struct snd_pcm_hardware omap_pcm_hardware = {
> .info = SNDRV_PCM_INFO_MMAP |
> SNDRV_PCM_INFO_MMAP_VALID |
> SNDRV_PCM_INFO_INTERLEAVED |
> SNDRV_PCM_INFO_BLOCK_TRANSFER |
> SNDRV_PCM_INFO_PAUSE |
> SNDRV_PCM_INFO_RESUME,
> .formats = SNDRV_PCM_FMTBIT_S16_LE,
> .rates = SNDRV_PCM_RATE_8000_96000,
> .period_bytes_min = 32,
> .period_bytes_max = 64 * 1024,
> .periods_min = 2,
> .periods_max = 255,
> .buffer_bytes_max = 128 * 1024,
> };
>
> following structure,
>
> When i play with
> aplay XXX.wav
>
> Rare but i used to get some underrun messages
> i found thses message are coming from aplay.
>
> underrun!!! (at least 10271.545 ms long)
> underrun!!! (at least 904.663 ms long)
> underrun!!! (at least 771.790 ms long)
> underrun!!! (at least 3393.433 ms long)
> underrun!!! (at least 777.314 ms long)
Are you using nfs as filesystem?
If yes, that may cause these errors. Try using flash and see whether
you can reproduce.
>
> I dint found much info about this in net too.
> How can i solve this, can any one help me out
>
> --
> Thanks,
>
> (: Naveen Krishna Ch :)
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>
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