You mentioned trying things from the forum. Did that include updating
alsa itself? If so, it seems that it has rendered the audio stack on
your system somewhat broken, at least going by the first alsa-info
report you linked to. However, if the only thing you did was to disable
onboard sound before you created the second report, then there is
something interesting going on with the alsa drivers, such that when the
onboard sound is enabled, the sound driver crashes to the point where
neither sound card are visible. Could you please re-enable onboard
sound, boot from an Ubuntu 10.10 live CD, and create another alsa-info
report? That will tell me for sure whether the driver is crashing, and
taking both cards down with it.
One more thing. The second sound card is the HDMI output of your video
card. Your video card may or may not have an HDMI port. If not, I
believe with the supplied adapter, one of the DVI ports also sends out
audio. The reason why you didn't hear any audio is because the HDMI out
on the video card was not connected to an audio output.
affects ubuntu/alsa-driver
status incomplete
** Changed in: alsa-driver (Ubuntu)
Status: New => Incomplete
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sound card(s) not detected in Ubuntu 10.10 Maverick Meerkat
https://bugs.launchpad.net/bugs/660488
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