Upgrade to Dapper (from breezy) lost sound output

[Randy W. Sims]

The hardware works-this is a dual-boot and it works under the other OS. 
It also worked before upgrading. I can load and play various mp3 files 
under various players, but there is no sound output.

Output logs:

<http://thepierianspring.org/logs/amixer.log>
<http://thepierianspring.org/logs/cards.log>
<http://thepierianspring.org/logs/lshw.log>
<http://thepierianspring.org/logs/lsmod.log>
<http://thepierianspring.org/logs/lspci_nv.log>
<http://thepierianspring.org/logs/lspci_v.log>
<http://thepierianspring.org/logs/report-hw.log>

Thanks,
Randy.