Confirmed on a 5 year old (or something like that) Compaq thing with Celeron 500 mHz processor and Intel Extreme embedded graphics.
It happens before the usplash when turning off, and it happens after the usplash when turning on. -- artifacts near the end of usplash boot https://launchpad.net/bugs/66652 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs