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Thread: Sound Card Compatibility Regression

  1. #1
    Join Date
    Jun 2009
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    21

    Sound Card Compatibility Regression after Update.

    Hi,

    My sound card is no longer compatible with Ubuntu. I just recently updated ubuntu (I believe 47 packages), as directed by the updater that popped up. Now, my sound card does not work.

    What can I do to alleviate the situation?

    UPDATE (No pun intended!):
    Okay, I just loaded the live CD of Jaunty Jackalope (9.04), and lo and behold, the sound works fine! I played some music also on it and it works great. Is there any way (short of rewrite of disk) that I can copy the sound-related settings over to my harddrive from here? I think I have this solved.
    Last edited by Scouto2; June 25th, 2009 at 10:32 PM.

  2. #2
    Join Date
    Jun 2009
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    21

    Re: Sound Card Compatibility Regression

    Bump.

  3. #3
    Join Date
    Feb 2009
    Location
    Enigma
    Beans
    64
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: Sound Card Compatibility Regression

    Ditto on this. Only one of my two jaunty boxes did this. My intel machine with ASUS P5N-7AVM MOBO took the update fine, but the ECS MOBO w/geforce 8200 chipset, can't detect sound card after updates. We need to file a bug report.

  4. #4
    Join Date
    Feb 2009
    Location
    Enigma
    Beans
    64
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: Sound Card Compatibility Regression

    I discovered that by booting 2.6.28-11-generic, instead of 2.6.28-13, my audio was restored, as long as I booted that kernel. I have another box with Asus P5N7A-VM MOBO, and this bug did not effect that machine. My AMD geforce 8200 will not play nice with 28-13 though. My sound card shows up in lspci, but aplay -l tells that I have no sound card.

  5. #5
    Join Date
    Nov 2008
    Beans
    271

    Re: Sound Card Compatibility Regression

    Quote Originally Posted by tixetsal View Post
    I discovered that by booting 2.6.28-11-generic, instead of 2.6.28-13, my audio was restored, as long as I booted that kernel.
    That is good information!

    On 2.6.28-13, which kernel module is providing support for your sound card?

    One way of finding out is doing 'lspci -v', look for the section describing your sound card. Perhaps just paste all of it here? It should contain something looking something like

    Code:
            Kernel driver in use: Intel ICH
            Kernel modules: snd-intel8x0

  6. #6
    Join Date
    Feb 2009
    Location
    Enigma
    Beans
    64
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: Sound Card Compatibility Regression

    raboofje,

    lspci -v on 2.6.28-13 yields:

    00:07.0 Audio device: nVidia Corporation MCP78S [GeForce 8200] High Definition Audio (rev a1)
    Subsystem: Elitegroup Computer Systems Device 2646
    Flags: 66MHz, fast devsel, IRQ 21
    Memory at f8d78000 (32-bit, non-prefetchable) [size=16K]
    Capabilities: <access denied>
    Kernel modules: snd-hda-intel

    lspci-v on 2.6.28-11 yields:

    00:07.0 Audio device: nVidia Corporation MCP78S [GeForce 8200] High Definition Audio (rev a1)
    Subsystem: Elitegroup Computer Systems Device 2646
    Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 21
    Memory at f8d78000 (32-bit, non-prefetchable) [size=16K]
    Capabilities: <access denied>
    Kernel driver in use: HDA Intel
    Kernel modules: snd-hda-intel

    *UPDATE*

    So, I noticed that there was no kernel driver in use in 2.6.28-13. I also noticed that I should have sudo'd, so i rebooted in order to load 2.6.28-11, and I daydreamed a bit and missed the grub menu. When the login screen was rendered, BEHOLD, i heard the drums!

    Now, sudo lspci -v in 2.6.28-13 yields:

    00:07.0 Audio device: nVidia Corporation MCP78S [GeForce 8200] High Definition Audio (rev a1)
    Subsystem: Elitegroup Computer Systems Device 2646
    Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 21
    Memory at f8d78000 (32-bit, non-prefetchable) [size=16K]
    Capabilities: [44] Power Management version 2
    Kernel driver in use: HDA Intel
    Kernel modules: snd-hda-intel

    raboofje, thanks for your help. There was no Kernel Driver in use, for some reason, and now things have "magically" been fixed. Does anyone have any theories as to why this occurred?

    *BAD NEWS*

    After a reboot I am without sound again, and sudo lspci -v shows that there is no kernel driver in use again. What in the world is going on?
    Last edited by tixetsal; June 27th, 2009 at 05:00 PM. Reason: problem resurfaced

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