When recording in MLV format on the 5DII sometimes, 1 time per session so far, the camera will get stuck and stop recording frames according to the display bar. If I go into the menu I can see the MLV Raw menu says stopping but it never does. I have to shut of the camera to resume recording. The resulting MLV will have only a few frames in it.
Also 1 in every 20 or so recordings will have a missing DNG after running MLV Dump.