The problem seems to occur consistently when booting without a monitor and then plugging the monitor afterwards. And, the problem never occurs when booting with a monitor.
-- Graphic controller displays strange colors on Precision 380 when rebooting from Feisty herd 4 https://launchpad.net/bugs/86506 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs