Certainly not related to xserver-xorg-input-synaptics. I have changed the package based on advice in #ubuntu-bugs and here https://wiki.ubuntu.com/Hotkeys/Troubleshooting
** Package changed: xserver-xorg-input-synaptics (Ubuntu) => linux (Ubuntu) -- Function buttons on Sony vaio PCG-r505Gl are "crasy" https://bugs.launchpad.net/bugs/560223 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-input-synaptics in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp