Installed devices: pcm0: <Realtek ALC257 (Analog 2.0+HP/2.0)> (play/rec) default pcm1: <Intel Kaby Lake (HDMI/DP 8ch)> (play) Installed devices from userspace: dsp: <Virtual OSS> (play/rec) pcm4: <Virtual OSS> (play/rec) dsp4.0: <Virtual OSS> (play/rec)