As I received a notification telling "Not enough information has been provided to make this a useful bug report.", I enclose an attached image with the description of the problems after execute the onboard command from terminal (as normal user and as well as root user).
I hope it will be helpful. Thank's in advance! J. ** Attachment added: "Detailed information after executing onboard in a terminal" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/986573/+attachment/3100548/+files/Captura%20de%202012-04-23%2019%3A56%3A43.png -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/986573 Title: Starting Unity To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/986573/+subscriptions _______________________________________________ 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