georg wrote: > root@tux:~# aplay foo.wav > aplay: main:546: audio open error: Device or resource busy > ... > root@tux:~# lsof | grep -i pcmC0D0p It's possible that the device has been opened with OSS (i.e., /dev/dsp*) or that somebody has opened the capture device (SB doesn't do full duplex). Is there anything in /dev/ that is being used? Regards, Clemens _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel