On Wed, 10 Mar 2004, Niels Christian ?rgaard wrote:

> Hey ....
> 
> This is the nth day I'm stuck reading the ALSA-documentation over and
> over again, and I'm at a loss figuring out whats wrong.
> 
> Basically, I have a running thread capturing data from an ALSA-device,
> and within useconds I get: "samptest: pcm.c:5889: snd_pcm_mmap_commit:
> Assertion `frames <= snd_pcm_mmap_avail(pcm)' failed." (samptest is the
> name of my executable)

Can you run gdb with your code and send me backtrace?

> The reason for me being so confused is that this occures at the call
> "snd_pcm_readi(snd_pcm_t *, void *, snd_pcm_uframes_t )", which for
> starters ain't mmap :)  I use "snd_pcm_delay(snd_pcm_t *,

We use almost always mmap even for r/w access (which is emulated in 
alsa-lib).

                                                Jaroslav

-----
Jaroslav Kysela <[EMAIL PROTECTED]>
Linux Kernel Sound Maintainer
ALSA Project, SuSE Labs


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