Here's my output for Alt+Tab: I get the same result no matter if it's responsive (first login, toggled a CCSM plugin) or not:
17:28:21 ~$ xev -root -event keyboard KeymapNotify event, serial 17, synthetic NO, window 0x0, keys: 78 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 KeymapNotify event, serial 17, synthetic NO, window 0x0, keys: 78 0 0 0 0 0 4 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1727842 Title: Volume and Mute buttons on keyboard not doing anything in Unity after upgrade to 17.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1727842/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs