Sounds like a pulse bug. The indicator sets the volume on the actual device (or sink) - how and which actual ports i.e. speakers are then attenuated is a matter for pulse and the device and as you have already pointed out the profile you are using.
-- Changing volume is not linear https://bugs.launchpad.net/bugs/540380 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