Installed devices: pcm0: <NVIDIA (0x0083) (HDMI/DP 8ch)> (play) pcm1: <NVIDIA (0x0083) (HDMI/DP 8ch)> (play) pcm2: <NVIDIA (0x0083) (HDMI/DP 8ch)> (play) pcm3: <NVIDIA (0x0083) (HDMI/DP 8ch)> (play) pcm4: <Realtek ALC899 (Analog 7.1+HP/2.0)> (play/rec) default pcm5: <Realtek ALC899 (Rear Digital)> (play) pcm6: <Intel Kaby Lake (HDMI/DP 8ch)> (play) No devices installed from userspace.