I managed to finally reproduce this by accident:
1. Set up 3 monitors.
2. Fullscreen a window on one of them.
3. The monitor with the fullscreen window accidentally lost HDMI connection. When plugged back in it was frozen.
I managed to finally reproduce this by accident:
1. Set up 3 monitors.
2. Fullscreen a window on one of them.
3. The monitor with the fullscreen window accidentally lost HDMI connection. When plugged back in it was frozen.