Faced the same issue with Sony PHA-3 after the update from 14.04 to 16.04. Solved by removing fwupd. It is also worth to note that my second USB DAC, Dr. DAC Nano, works flawlessly even with fwupd installed. However, Sony PHA-3 does not.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1574079 Title: USB audio device is not recognized after startup in 16.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/fwupd/+bug/1574079/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
