Reopening since I'm able to reproduce this bug (see screenshot in attachment).
Steps to reproduce: 1) Single click the volume control applet in the top panel so it remains open. 2) Press the keyboard volume controls + or - Result: The master volume remains unchanged, nothing happens when pressing the keyboard volume controls. -- Keyboard Volume Buttons Don't Work While Volume Control Open https://launchpad.net/bugs/51911 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs