Also have this bug. Sound was working fine with Natty. After an upgrade to Oneiric (month ago) it was also working. As of today sound stopped working. I have:
ii alsa-base 1.0.24+dfsg-0ubuntu2 ALSA driver configuration files ii alsa-utils 1.0.24.2-0ubuntu7 Utilities for configuring and using ALSA % uname -a Linux x86 3.0.0-12-generic #19-Ubuntu SMP Fri Sep 23 21:23:39 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux ** Tags added: oneiric -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/818946 Title: [HDA-Intel - HDA ATI SB, playback] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/818946/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs