[alsa-devel] underrun observed when aplay is used with mmap

[Clemens Ladisch]

Pharaoh . wrote:
> Finally I have got my driver working and now testing it using aplay. I am
> able to play a song without getting any underruns when I use read/write mode
> but when I use mmapped mode I get underrun warnings. After this if I use
> read/write mode again then I observe 1 warning of underrun. Any idea what
> could be wrong?

You forgot the link to the source code.


Regards,
Clemens