On occasion, perhaps one in 5 times after resuming from sleep, I will unlock my session only to find the "The session is locked" window remain on-screen. This window is impossible to focus and remains on top of all other windows across all workspaces. Reproducible: Sometimes Steps to Reproduce: 1. Put computer to sleep. 2. Wake up and enter password to unlock. Actual Results: The window remains on top of all others and cannot be dismissed. Expected Results: The lock window vanishes after unlocking the screen.
*** This bug has been marked as a duplicate of bug 306186 ***