see also others reporting the same trouble at http://ubuntuforums.org/showthread.php?t=2228206&page=7
that thread is now 91 posts and 10 pages long after 3 days.. houston we have a problem. launchpad bug #1327349 seems to be a duplicate. Hamish -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1327220 Title: No sound after kernel upgrade Status in “linux” package in Ubuntu: Confirmed Bug description: After a kernel upgrade to linux-image-2.6.32-61-generic sound has stopped working. Sound applications hang and no sound is produced. "ubuntu-bug -s audio" does produce the first test tone but not the second one. Any subsequent attempt to close apport then causes it to stop responding. After rebooting with the previous kernel (linux- image-2.6.32-60-generic) sound works as before. Machine is a Dell E5500 laptop with HDA-Intel sound hardware. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1327220/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp