I created a bug report in FreeDesktop Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=36599
I appreciate someone that help to give information about that. ** Bug watch added: freedesktop.org Bugzilla #36599 http://bugs.freedesktop.org/show_bug.cgi?id=36599 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/671921 Title: External monitor using VGA has sync issues with KMS -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs