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Having trouble installing a piece of hardware? Want to know if that peripheral is compatible with Linux?

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Old 10-02-2017, 01:07 PM   #16
TB0ne
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Try some of the stuff listed here:
https://www.linuxquestions.org/quest...nd-4175463313/

I had to play with this for a while on my system too.
 
Old 10-02-2017, 09:34 PM   #17
Shadow_7
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It looks like:

/proc/asound/pcm:00-03: HDMI 0 : HDMI 0 : playback 1
/proc/asound/pcm:00-07: HDMI 1 : HDMI 1 : playback 1
/proc/asound/pcm:00-08: HDMI 2 : HDMI 2 : playback 1

hw:0,3
hw:0,7
hw:0,8

Are the alsa names depending on which port you are plugged into.

$ speaker-test -c 2 -l 1 -D hw:0,3
$ speaker-test -c 2 -l 1 -D hw:0,7
$ speaker-test -c 2 -l 1 -D hw:0,8

Where PCH is the [name ] version for hw:0. Or -D hw:PCH,3 ... -D hw:PCH,7 ... -D hw:PCH,8 ... should be equivalent (in theory / technically). If they're all the same port types, you might try changing which port you're plugged into and see if sound magically starts working.
 
Old 11-30-2017, 12:30 PM   #18
LoCatus
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Same problem, Same GPU, All other audio devices are disabled via BIOS settings. Yes, changing which port the TV is plugged in to (While the system is up and running) does get the sound working. Not an optimal workaround for the problem, but it does work.

Going to hunt about some more and see if an actual fix has been found.

[EDIT] I should note that when I do this, the entry in "Output Devices" changes from Nvidia HDMI (Port #) to just HDMI/DisplayPort. Interesting.

Last edited by LoCatus; 11-30-2017 at 12:35 PM. Reason: Added Info
 
Old 11-30-2017, 06:06 PM   #19
tofino_surfer
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Does the NVidia audio device show up in lspci ?

Code:
$ lspci | grep -i audio
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05)
01:00.1 Audio device: NVIDIA Corporation GF116 High Definition Audio Controller (rev a1)

$ lspci -s 01:00.1 -nnk
01:00.1 Audio device [0403]: NVIDIA Corporation GF116 High Definition Audio Controller [10de:0bee] (rev a1)                                                             
        Subsystem: ASUSTeK Computer Inc. Device [1043:83bc]
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel
If the separate audio controller doesn't even show up on the PCIe bus that would be the source of the problems. In my case both show up in alsamixer.

Last edited by tofino_surfer; 12-01-2017 at 03:57 PM. Reason: added example
 
Old 11-30-2017, 09:13 PM   #20
jefro
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"changing which port the TV is plugged in to" This makes me wonder why. Power, re-scan, timing correction.. dunno.
 
Old 11-30-2017, 09:16 PM   #21
LoCatus
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In my case, the entry for the audio output is always showing. Right down to the port the cable is plugged in to. Updating a newer driver (387.34) instead of using the earlier 384.98 that's available in the default repositories in Linux-Mint seems to have helped a bunch. Been a few restarts since I installed the newer driver, and only lost sound once on startup. Restarted the system and sound was up and running as expected. (without connecting to a different HDMI port)

Seems there are a couple more bugs to squish in the drivers... But the problem seems to becoming less of a major problem. At least for me and the nVididia drivers. LOL..
 
  


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