Thanks Daniel, It seems that the problem I have is with the module modemmanager.
If I uninstall this then always appears internal audio: >> sudo aptitude purge modemmanager -- sound broke during upgrade https://bugs.launchpad.net/bugs/573314 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
