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Old 10-15-09, 05:25 AM   #1
darfy42
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Join Date: Oct 2009
Posts: 3
Default No sound over HDMI w/9500M GS

I tried many many things but I can't manage to use sound over HDMI with my GeForce 9500m gs card :-(

This includes all combinations of :
- OS : Ubuntu 8.10, 9.04, 9.10 beta, ArchLinux
- drivers : latest from nvidia, latest from distro (nvidia driver packaged by disto, not the open source one)
- alsa : latest from distro, latest from Subversion

"aplay -l" desesperatly do not show the HDMI soundcard :
carte 0: Intel [HDA Intel], périphérique 0 : ALC1200 Analog [ALC1200 Analog]
Sous-périphériques: 0/1
Sous-périphérique: #0: subdevice #0
carte 0: Intel [HDA Intel], périphérique 1 : ALC1200 Digital [ALC1200 Digital]
Sous-périphériques: 1/1
Sous-périphérique: #0: subdevice #0
carte 0: Intel [HDA Intel], périphérique 6 : Si3054 Modem [Si3054 Modem]
Sous-périphériques: 1/1
Sous-périphérique: #0: subdevice #0

You can find attached nvidia-bug-report.log.gz (for my last test : Ubuntu 9.10 beta with NVIDIA driver from Ubuntu).

Is there a way to debug why sound capabilities fails ? Is there a way to make it works ?

nb : works well on windows with nvidia drivers, of course
Attached Files
File Type: gz nvidia-bug-report.log.gz (35.7 KB, 129 views)
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Old 10-15-09, 07:00 AM   #2
jumjum77
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Posts: 13
Default Re: No sound over HDMI w/9500M GS

It could be that the vendor id of your card is not added to the hdmi audio patch yet.
What does the following command return for you?

jon@notebook:~$ grep -A3 -i nvidia /proc/asound/card*/codec#*
/proc/asound/card0/codec#3:Codec: Nvidia MCP78 HDMI
/proc/asound/card0/codec#3-Address: 3
/proc/asound/card0/codec#3-Function Id: 0x1
/proc/asound/card0/codec#3-Vendor Id: 0x10de0003

You can change the attached patch to add your vendor id instead of mine.
Attached Files
File Type: txt alsa-nvhdmi-patch.txt (819 Bytes, 226 views)
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Old 10-15-09, 07:41 AM   #3
darfy42
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Default Re: No sound over HDMI w/9500M GS

The command did not return anything. There is only 2 codec#[0-1] files (Codec: Realtek ALC1200 and Codec: Motorola Si3054) for card0. And no more cards.

Is there another way to find vendorid to adapt the provided patch ?

BTW, here is the concerned laptop :
http://uk.asus.com/product.aspx?P_ID...specifications
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Old 10-15-09, 08:03 AM   #4
jumjum77
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Posts: 13
Default Re: No sound over HDMI w/9500M GS

If you have a windows installation you can check in the device manager. Can't remember any other way in linux.

Since it doesn't show at all it might not be the same problem as I had though.
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Old 10-23-09, 05:30 PM   #5
global
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Default Re: No sound over HDMI w/9500M GS

Hi darfy42, I have the same issue with GT240M (http://www.nvnews.net/vbulletin/showthread.php?t=139657)

To find device id in linux try lspci -vvnn
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Old 10-30-09, 05:30 AM   #6
darfy42
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Posts: 3
Default Re: No sound over HDMI w/9500M GS

After many days of investigation and no succes, I've just send a bug report to nVidia.

Stay tuned
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