https://bugs.freedesktop.org/show_bug.cgi?id=75985 --- Comment #89 from Maik Freudenberg --- I didn't follow all of this, but I suspect you're hitting a known bug, please see http://download.nvidia.com/XFree86/Linux-x86_64/435.17/README/dynamicpowermanagement.html#KnownIssuesAndW6426e > 2. There is a known issue with the audio driver due to which the audio PCI function remains in an active state from the kernel version 4.19 and up. (from commit id: 37a3a98ef601f89100e3bb657fb0e190b857028c). Upstream kernel changes are being done to fix the issue. In the interim, the Audio PCI function needs to be disabled by using the following command. -- You are receiving this mail because: You are the assignee for the bug.