>>could not start playback (Broken pipe) > > What is the error message in the system log? Thanks for your reply. Here's the relevant output: # tail /var/log/syslog ... Jul 26 01:42:55 localhost kernel: ALSA /usr/local/src/alsa-driver-1.0.9rc4a/usb/usbaudio.c:771: cannot submit datapipe for urb 2, err = -28 Thanks Peter Butler