I'm seeing a similar inability to come back from sleep on a thinkpad x40. Green moon flashes, but I cannot interact with the computer in any meaningful way except to power it off.
-- X crashes on second resume from suspend-to-ram on Thinkpad X41 https://launchpad.net/bugs/56365 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
