Installed devices: pcm0: <NVIDIA (0x00a6) (HDMI/DP 8ch)> (play) pcm1: <NVIDIA (0x00a6) (HDMI/DP 8ch)> (play) pcm2: <NVIDIA (0x00a6) (HDMI/DP 8ch)> (play) pcm3: <NVIDIA (0x00a6) (HDMI/DP 8ch)> (play) pcm4: <Realtek ALC897 (Rear Analog 5.1/2.0)> (play/rec) default pcm5: <Realtek ALC897 (Front Analog)> (play/rec) pcm6: <USB audio> (play/rec) No devices installed from userspace.