I used to reset alsa with "sudo alsa force-reload" after each restart. Mid of july, perhaps caused by updates, it began to work properly.
-- pulseaudio/alsa randomly blocks or mutes sound in jaunty https://bugs.launchpad.net/bugs/383876 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