I jailbreaked successfully my atv2 with Seas0npass 0.6.9.
Today I used GreenpoisOn RC 6 to untether it, first of all the boot took about 5 minutes or more and then I cannot see the greenpois0n menu.
I tried to restore it with factory firmware and the slowness remain, is it bricked?
I tried also to re-jailbreak and restore but it remain super-slow to boot and I cannot see the greenpois0n menu.
I jailbreaked the atv of my brother 'only' with GreenpoisOn RC 6 and it works great. Maybe because it was not SeasOned....