Here's my output from the same, since I have this keyboard also, and am having the same problem. Note that the volume down key is also mapped incorrectly, and returns the code for "Refresh" instead of "VolumeDown".
** Attachment added: "keyboard log output" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/377175/+attachment/3171507/+files/macally.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/377175 Title: Volume Up button locks screen To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/377175/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs