Ok, I uploaded a package to the Ubuntu Studio PPA[1] that fixed the second traceback you posted. Please test it and try and replicate the bug.
[1] http://launchpad.net/~ubuntustudio-dev/+archive/ -- ubuntustudio-controls crashed with AttributeError in serialze_settings() https://bugs.launchpad.net/bugs/269389 You received this bug notification because you are a member of Ubuntu Studio-dev, which is the registrant for ubuntustudio-controls. -- Ubuntu-Studio-devel mailing list Ubuntu-Studio-devel@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-devel