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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, 12:07 PM   #16
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Try some of the stuff listed here:

I had to play with this for a while on my system too.
Old 10-02-2017, 08:34 PM   #17
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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


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, 11:30 AM   #18
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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 11:35 AM. Reason: Added Info
Old 11-30-2017, 05:06 PM   #19
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Does the NVidia audio device show up in lspci ?

$ 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 02:57 PM. Reason: added example
Old 11-30-2017, 08:13 PM   #20
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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, 08:16 PM   #21
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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..
Old 09-01-2018, 07:53 AM   #22
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Angry linux mint no hdmi sound

welcome to my wurld...

this is common in Mint & Ubuntu and for all I know ALL of Linux Land

and in Linux Land no one knows the answer...
you end up figuring it out yourself

I have been having no end of issues with sound in Mint 18.2

the system sounds never stay set
now the volume is 100% every time I start up
and the HDMI external monitor has NO SOUND!

I installed pavucontrol as suggested somewhere
as with the Mint control there is NO HDMI output listed
and this is when it appear I started having the 100% volume issue
but with pavucontrol the system sounds are now setable

there has to be a driver that was left out of Mint & Ubuntu
but instead of fixing things Mint has done what Micro$oft does and made a new version
a whole new version with all NEW issues

so for now I have to check the volume after startup
and unplug the speakers from the monitor and plug them into the laptop
every time I start...

about ready to do another install of Linux Mint 18.2
let me see... this will be #4 this year...


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