Frank Barknecht wrote: > > > ALSA: could not start playback (Broken pipe) > > kernel: cannot submit datapipe for urb 0, err = -28 28 = ENOSPC: "This request would overcommit the usb bandwidth reserved for periodic transfers (interrupt, isochronous)." This doesn't seem to be quite correct for two 16-bit stereo streams. Which kernel and host controller driver are you using? Probably you should just deactivate bandwith checking in the kernel config. HTH Clemens