Sleepd causes the screen not to turn on anymore (Bug #371)
When you are not tailing the logfile and let the screen timeout and go to sleep, it will shut off and never let you turn it back on.
Yes usb connected.
Latest image on jenkins1 with latest fastboot2
Reproduce by turning the screen on, opening launcher, plugging in usb, and let it sit there untill the screen turns off, then try to turn the screen on.