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I've been using HDMI audio for a couple months, and it just stopped working. I'm not sure which part of the pipeline is broken, because pavucontrol shows everything normal:
In the Configuration tab Built-in Audio's "Digital Surround 5.1 (HDMI 2) Output" is selected (the list of outputs show a bunch of other options, most of which are marked "unavailable").
The Output Devices tab shows only the above device, with "(plugged in)" after the name
The Playback tab shows whichever application is playing (Firefox, VLC, etc) at 100% volume, and the volume indicator bar is moving as normal.
Other signs that everything is normal:
The receiver settings are the same as before I rebooted, although I did also restart the receiver at the same time.
I've not unplugged or re-plugged anything other than the HDMI cable.
Bluetooth audio works fine.
Basically everything looks normal, but there is no sound. Short of the receiver having thrown a fit (the display looks normal and there's no indication of anything unusual), is there anything else I can check?
Solved by fiddling around with the settings on the receiver for a while. Sorry for the noise, no idea how this happened. It's back after rebooting just the PC. The receiver settings look like they were a red herring; everything works except the actual sound output.
Last edited by l0b0 (2021-04-02 03:32:13)
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Yeah it's probably not the software.
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I'm having this problem recently as well. I checked my update logs and found the following:
[2021-03-31T21:42:51-0400] [ALPM] upgraded mesa (20.3.4-3 -> 21.0.1-1)
[2021-03-31T21:42:52-0400] [ALPM] upgraded libva-mesa-driver (20.3.4-3 -> 21.0.1-1)
[2021-03-31T21:42:53-0400] [ALPM] upgraded mesa-vdpau (20.3.4-3 -> 21.0.1-1)
[2021-03-31T21:42:54-0400] [ALPM] upgraded vulkan-radeon (20.3.4-3 -> 21.0.1-1)
Do you have an AMD Video Card?
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