On Wed, 29 Apr 2020 05:35:27 +0200, Naoaki Ueda wrote: > > Hi, > Thank you for developing the awesome products. > > I notice my machine doesn't output any sounds from the HDMI port with > kernel-5.6.6-300 and Nvidia. > I have tried booting my machine with kernel-5.3.7-301.fc31.x86_64, it > works fine. > So I'm reporting those here referring > https://bugzilla.redhat.com/show_bug.cgi?id=1784839. > > Following are the part of the outputs from `lspci -v -k` on my machine: > > ``` > 05:00.0 VGA compatible controller: NVIDIA Corporation GP106 [GeForce > GTX 1060 3GB] (rev a1) (prog-if 00 [VGA controller]) > Subsystem: NVIDIA Corporation Device 11c2 > Physical Slot: 2 > Flags: bus master, fast devsel, latency 0, IRQ 47 > Memory at ee000000 (32-bit, non-prefetchable) [size=16M] > Memory at d0000000 (64-bit, prefetchable) [size=256M] > Memory at e0000000 (64-bit, prefetchable) [size=32M] > I/O ports at c000 [size=128] > Expansion ROM at 000c0000 [disabled] [size=128K] > Capabilities: [60] Power Management version 3 > Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+ > Capabilities: [78] Express Legacy Endpoint, MSI 00 > Capabilities: [100] Virtual Channel > Capabilities: [250] Latency Tolerance Reporting > Capabilities: [128] Power Budgeting <?> > Capabilities: [420] Advanced Error Reporting > Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 > Len=024 <?> > Capabilities: [900] Secondary PCI Express > Kernel driver in use: nouveau > Kernel modules: nouveau > > 05:00.1 Audio device: NVIDIA Corporation GP106 High Definition Audio > Controller (rev a1) > Subsystem: NVIDIA Corporation Device 11c2 > Physical Slot: 2 > Flags: bus master, fast devsel, latency 0, IRQ 50 > Memory at ef080000 (32-bit, non-prefetchable) [size=16K] > Capabilities: [60] Power Management version 3 > Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+ > Capabilities: [78] Express Endpoint, MSI 00 > Capabilities: [100] Advanced Error Reporting > Kernel driver in use: snd_hda_intel > Kernel modules: snd_hda_intel > ``` It's a known regression in nouveau driver side, and the fix was already submitted to drm nouveau upstream: https://lore.kernel.org/r/20200416075428.25521-1-tiwai@xxxxxxx thanks, Takashi
