I get no audio after hibernate, either. It still works after suspends. Dmesg shows many suspends, followed by a hibernate, after which the audio didn't function.
** Attachment added: "dmesg: A few suspends, and a hibrenate" http://librarian.launchpad.net/6857839/dmesg.txt -- [Feisty] Inaudible audio upon resuming from suspend-to-disk https://launchpad.net/bugs/80893 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
