To some of us updating to alsa 1.0.14rc2 and adding "options snd-hda-intel model=3stack" to /etc/modprobe.d/alsa-base helped
It all explained here: https://help.ubuntu.com/community/HdaIntelSoundHowto for Ubuntu 6.06 LTS but also workes in 6.10 -- Sound failing after volume adjust https://launchpad.net/bugs/87885 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
