[alsa-devel] Can't detect "XRUNs"

[Takashi Iwai]

On Thu, 05 Jul 2018 14:34:02 +0200,
Raphaël Dingé wrote:
> 
> Hi,
> 
> Looking more in depth into the code I understood my problem was
> between the chair and the computer screen *sigh*.
> 
> So the code was calling snd_pcm_sw_params_set_stop_threshold which
> apart from stopping the stream on underruns apparently "eats" the xrun
> from the kernel tracing perspective.
> 
> If I comment out this portion of code, I get the EPIPE in
> snd_pcm_avail_update as well as the xrun events in
> /sys/kernel/tracing/trace.
> 
> Thanks a million again to put me on the right track. I've learnt a lot
> from this exchange.

Good to hear that it's no driver problem :)


thanks,

Takashi