It seems that this bug is near to their fix, or at least they already know where is the bug: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/89853
In addition, ruebezahl has emailed me this link from which I have found that bug and other helpful information about Macbook Pro problems: http://wiki.ubuntu.com/MacBookProFeisty Thanks ruebezahl -- ubuntu feisty beta, no screens found on macbook pro https://bugs.launchpad.net/bugs/95411 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs