Installed devices: pcm0: <NVIDIA (0x00a3) (HDMI/DP 8ch)> (play) pcm1: <NVIDIA (0x00a3) (HDMI/DP 8ch)> (play) pcm2: <NVIDIA (0x00a3) (HDMI/DP 8ch)> (play) pcm3: <NVIDIA (0x00a3) (HDMI/DP 8ch)> (play) pcm4: <USB audio> (play/rec) pcm5: <USB audio> (play/rec) pcm6: <USB audio> (play/rec) default No devices installed from userspace.