Comment 18 for bug 1377653

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Renne (renne) wrote :

Same result with 378.13-0ubuntu0~gpu17.04.3. The Nvidia audio stack is not listed with 'sudo lspci -H1'. A 'echo 1 > /sys/bus/pci/rescan' doesn't help either. It seems the audio-stack of the Nvidia-GPU isn't powered up.

HDMI audio works fine with Win10.