Ubuntu
pulseaudio package

  1. Bug #394500
  2. Comment #34

Comment 34 for bug 394500

Revision history for this message
Shannon VanWagner (shannon-vanwagner) wrote : Re: [karmic] pulseaudio: card not found - Null Output / Dummy Output

This is a very frustrating problem and I haven't found a fix yet myself. The computer I have is an HP Compaq nc6320.
Here are some details from my setup:
 lspci |grep Audio
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 01)
 aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 6: Si3054 Modem [Si3054 Modem]
  Subdevices: 0/1
  Subdevice #0: subdevice #0

pulseaudio is currently server version 0.9.16 (upgraded from PPA per comment #11 above)
Default Sink: auto_null
Default Source: auto_null.monitor
linked to library version 0.9.16
compiled with library vrsion 0.9.14

System>Preferences>Sound>Hardware> no device shown
System>Preferences>Sound>Output> Dummy Output (Stereo)

I was going to try some settings from #13 above but I don't see that setting... Can you elaborate on "Does your user have permission via PolicyKit or otherwise to access @audio?" My user is an administrator user and all privileges are checked in the User Manager.

The only way I have been able to get sound is by modifying /etc/modprobe.d/alsa-base.conf , adding the text below and then running 'sudo alsa force-reload'
options snd-hda-intel model=AD198x

The above workaround only works between reboots and apparently uses alsa instead of pulseaudio.

Any ideas? I hope this gets fixed by release time because the Intel graphics are working a lot better in the Karmic version and I'd hate to not be able to recommend the upgrade.

Thanks!
Shannon VanWagner