In the video below, the first time this occurred was at 0:35. The mirror and surrounding turned black for a few frames. The next time this occurred was at 1:19. The last time it happened was at 2:08, and was also captured in the above screenshot.
Here is the only reason that I use Facetime...
This is occurring only in Facetime and affects both the front and back cameras on the iPad 2.
Follow us @iPadJailbroken or join our Facebook page to keep updated on all the latest jailbreak information for your iPad.