I just noticed that linux-restricted-modules-2.6.24-23-generic and linux-ubuntu-modules-2.6.24-23-generic were not installed. After the manual installation of the two packages sound works again with 2.6.24-23 (2.6.24-23.48). I would say that this report can be closed.
-- 82801H not detected by 2.6.24-22-generic. Detected by 2.6.24-19-generic https://bugs.launchpad.net/bugs/303513 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs