The version of Mesa you are using (from a PPA?) is not supported here. Please revert to the supported Ubuntu packages and then log a new bug if required, explaining in more detail what problems you are seeing.
** Package changed: xorg (Ubuntu) => ubuntu ** Changed in: ubuntu Status: New => Invalid -- 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/2099995 Title: problems with secondary monitor To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/2099995/+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