When putting a filled map to a item frame in creative mode (Not losing the map) map generation and player movement will be frozen until exiting and reloading the save.

Attachment: Actual location of player at the crosshair (where map was place to a item frame).

How to reproduce:
1. Choose creative mode.
2. Get a map with at least some generated parts.
3. Put it in item frame.
4. When moving around you will notice map won't update.