I enabled the lucid-proposed repository (per comment #4) and installed the generic-pae version of the 2.6.32-62.125 kernel. I can confirm that sound operation returned to normal and the applications which were hanging, like Firefox and ThunderBird, are now working normally again.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1327300 Title: Regression in commit 8e4e453d548e3c24e9070eda23c52f210951b921 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1327300/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
