This seems related to, though not the same as, Bug 582234. According to the reporter's surmise, the greying of the headphone column means that the headphone is not being detected. So perhaps the issue is hardware- related after all. But it's still related to the update.
-- Headphone jack not working in Asus K60I https://bugs.launchpad.net/bugs/669224 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
