Here's how to repro:
* With one finger tap and hold the greeter * with a second finger swipe it away * lock the phone again => greeter broken
Another way:
* tap and hold the greeter * with another finger pull in the launcher, press the orange BFB * lock phone again => greeter broken
Here's how to repro:
* With one finger tap and hold the greeter
* with a second finger swipe it away
* lock the phone again
=> greeter broken
Another way:
* tap and hold the greeter
* with another finger pull in the launcher, press the orange BFB
* lock phone again
=> greeter broken