My 2 cents worth is this is a common hardware problem where newer
Laptops have GPU HDMI sound turned off as a default. I think a grub
kernel boot parameter could be set to force `setpci` to be run at
appropriate memory location.
Therefore the Linux Kernel team could be responsible for the bug
This bug needs to be moved from the alsa-driver/pulseaudio thread and
moved to either nouveau or nvidia packages.
The issue why this is not fixed as far as I can figure out is because
the address modified with the setpci command is not documented by nvidia
and thus cannot be added to the official
Just chiming in to say that, yes, #19 (with or without #24) works for
me, too.
What I don't get is why this is isn't officially fixed, yet.
The solution is pretty clear by now.
What/who is the bottleneck here?
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Same!
#19 with #24 works!
Ubuntu 16.04
ASUS - ROG G502VS laptop
nvidia 1070 / driver 390.25
Intel(R) Core(TM) i7-6700HQ CPU
Thanks a lot!
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I can confirm that #19 works, as well. Also applied the suggestions in #24.
Ubuntu 17.10 on a Lenovo Ideapad Y910-17ISK with a GTX 1070.
I don't notice any flicker or any problem. The audio device has just appeared,
and everything works fine now :-)
Thanks a lot!!
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@Rudi
My BIOS doesn't have options for controlling nVidia GPU and Intel iGPU.
When I bought this laptop I thought I would be using Intel iGPU only and
was shocked to learn there was no HDMI screen until nVidia drivers were
installed. It took me about a month to figure that out. Then a couple of
@WinEunuchs2Unix
Cool, good to hear this also works for older nVidia cards and on older Ubuntu
versions!
Your suggestion to adjust the paths to /usr/local/bin/ is a good one, I
had the test script in /root/ and didn't bother to move it yet ;)
The screen flickering - do you notice this as well
I can confirm solution in #19 works. Only caveats:
1) Rename `/root/` occurrences to `/usr/local/bin/`
2) Screens flickers on/off a couple/few times during boot.
My platform has nVidia GTX 970M hardwired to built-in HDMI hooked up to
external TV. Intel Skylake HD530 graphics controlling laptop
@sami I don't agree. My previous laptop Dell Insprion 17R 7720 SE has
nVidia GT650M + Intel HD4000 and works well in Linux because I simply
turned off nVidia. The new laptop Dell AW17R3 has the built-in HDMI
port hard-wired to the nVidia GTX 970M GPU which requires installing
nVidia drivers.
On
Pest or cholera, really.
This is the first problem I had with Nvidia drivers on linux.
With my previous AMD graphics cards I couldn't even play most games without
severe graphics issues.
Not even talking about AMD cards barely receiving specific support from
game/engine devs in general in
I opened this bug report 3 years ago and came to that conclusion: never
ever buy a laptop with intel graphics and an nvidia discrete gpu. ever.
For your next laptop try to find a vendor with a linux friendly policy.
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Confirm this occurs with Dell AW17R3. Skylake i7 6700HQ with HM170
chipset and HD530 internal graphics controlling built in display and
external Thunderbolt 3 to display port to HDMI adapter sound works good.
Discrete GPU is GTX 970M and on built-in HDMI port is hard wired to it
(Optimus not
I have a very useful update on the Skylake/nvidia GTX1060 case where the
HDMI Audio device does not show up in lspci. Based on information found
on the NVidia Developer forum, I was able to get my HDMI audio device
show up in Ubuntu 17.10 as per my posting there:
Same result with 378.13-0ubuntu0~gpu17.04.3. The Nvidia audio stack is
not listed with 'sudo lspci -H1'. A 'echo 1 > /sys/bus/pci/rescan'
doesn't help either. It seems the audio-stack of the Nvidia-GPU isn't
powered up.
HDMI audio works fine with Win10.
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Same issue on Acer Aspire V15 Nitro with Ubuntu 17.04, Nvidia binary
driver 375.66 and Nvidia Geforce 1060 mobile + Intel HD Graphics 630.
The HDMI is hardwired to the Nvidia GPU and no Nvidia audio device is
listed with lspci, aplay -l or in /proc/asound. The Nvidia never shows
up, even on boot
Just confirming the same issue on HP Elitebook 8740W with NV Quadro
FX2800. Driver Nvidia 340.
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https://bugs.launchpad.net/bugs/1377653
Title:
HDMI sound output not
Just wanted to chime in to report I have the exact same problem (using Ubuntu
16.04), with the same GPU, GTX 1060 (in an MSI Apache Pro).
No matter what I do, I cannot get the HDMI sound device to show up...
One thing that changed things for me is if I restart the PC with the
HDMI cable plugged
Have a similar issue with my HP Pavilion DV6 Laptop under both Ubuntu
16.04 and Ubuntu Mate 16.04 using pulse audio.
Video still displays out of HDMI port to TV but Audio hardware device
disappears from sound applet (in my case "mate-volume-control-applet").
Curiously the HDMI device is visible
Also affected on an MSI GS43VR 6RE Phantom Pro with an i7 6700HQ, Intel
GT 530 iGP + GTX 1060.
On this laptop model, the external monitors' outputs are wired directly
to the GTX 1060, including the HDMI audio.
In this case, "lspci -H1" doesn't even list the NVIDIA Audio device
either, similar to
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: pulseaudio (Ubuntu)
Status: New => Confirmed
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I also have Skylake laptop (ASUS GL502VM) with a GTX 1060 which is
always in Discrete mode (I can't use it in hybrid mode at all) and I
have the same or similar problem (HDMI video: Ok / HDMI audio: Doesn't
work). In my case "lspci -H1" doesn't even list the NVIDIA Audio device.
Any idea of how
I am not sure this is an alsa-specific bug. Looks to be more of an issue
with the Nvidia card and the way it handles HDMI audio. This also
affects a BTO 15CL76 notebook (I7-6700HQ / GTX1060) set in DISCRETE
mode. No HDMI audio device shows up at all. The active nvidia driver (as
of writing) is
** Changed in: alsa-driver (Ubuntu)
Status: Expired => Confirmed
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Title:
HDMI sound output not detected / NVIDIA
[Expired for alsa-driver (Ubuntu) because there has been no activity for
60 days.]
** Changed in: alsa-driver (Ubuntu)
Status: Incomplete => Expired
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I am facing the same issue in Ubuntu 14.04 of audio not working over
HDMI on Dell L502x with nVidia GT525M (Optimus), and the workaround
suggested by (bcmpinc) above resolves the problem (although the
workaround needs to be applied after each reboot).
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** Changed in: alsa-driver (Ubuntu)
Status: Confirmed => Incomplete
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Title:
HDMI sound output not detected / NVIDIA
Post output of
xrandr --verbose
Did the graphic driver support audio?
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Title:
HDMI sound output not detected / NVIDIA
thanks for sharing your tips!
It seems there's a long way before we'll get it work from scratch...
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Title:
HDMI sound output
I've been running into this problem over and over again and found
several different solutions. However, some of them also stopped working
after installing updates. There is this solution that I found when using
the NVIDIA proprietary drivers: http://askubuntu.com/a/511907/73753.
Which involves
Hello, I don't know if my message can help somebody, but i have a similar
problem with my laptop (MSI GT60 2PE dominator 3K).
I don't have found a solution and I am not able to explain the real problem...
However I have a workaround.
My laptop use a dual boot with Ubuntu 14.04 and Windows 8.1
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: alsa-driver (Ubuntu)
Status: New = Confirmed
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I have the same N56VZ laptop running 14.04 as well, and can confirm this
problem.
According to http://http.download.nvidia.com/XFree86/gpu-hdmi-audio-
document/gpu-hdmi-audio.html#_verify_your_card_exists the nVidia card
should show an audio device in lspci output if HDMI is connected and
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