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Subject: Re: FreeBSD OSS + Alsa - what's the right behaviour for non-blocking
 IO?
From: Adrian Chadd <adrian@freebsd.org>
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.. and a further update:

Here's what the setup code ends up doing inside alsa:


snd_pcm_sw_params_set_avail_min: val=4096, period_size=1024
snd_pcm_sw_params_set_avail_min: avail_min is now 4096

So the avail min value is being setup fine.

Next, what's going on at the sound driver layer: