[alsa-devel] Input/output error while playing a file using aplay

[Pharaoh .]

>The ALSA framework will stop the stream and return the error code EIO
>when there was no interrupt for ten seconds, i.e., when
>snd_pcm_period_elapsed() was not called.

I am getting the interrupts, but why there wont be any interrupt for
10 seconds?
I am setting the periods in prepare as periods = runtime->period, so
interrupts should
at period boundaries.

May be s->active got corrupted.


On 6/25/07, Clemens Ladisch <cladisch at fastmail.net> wrote:
> Pharaoh . wrote:
> > ...
> > It waits here for sometime and then I get
> > snd_omap_alsa_trigger starte error: Input/output error
>
> The ALSA framework will stop the stream and return the error code EIO
> when there was no interrupt for ten seconds, i.e., when
> snd_pcm_period_elapsed() was not called.
>
> Either s->active got corrupted, or your interrupt handler never got
> called.
>
> BTW: snd_pcm_period_elapsed() can stop the stream in some situations,
> so you should move this call to the end of the interrupt handler, or
> check s->active again after calling it.
>
>
> HTH
> Clemens
>