In my case, the cause was that during or shortly after the update some program seems to have muted the PCM channel without beng told to do so.
-- Inaudible sound on fresh boot with ThinkPad X60 using AD1981HD codec https://bugs.launchpad.net/bugs/42361 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
