Hi, i Hope i do everything right, this is my first post here. First of all I want to thank you guys, for doing this really awesome stuff! It's just great and since Magic Lantern i have like 8 time more fun having a mkIII :) So I just want to help and not to only to write when something does not work out.
The bug was reported today on my 64GB 1000x Komputerbay card. I had a benchmark and the card has write speed on around 85 to 119 so this should be no problem.
I tried MLV RAW and this works great, just the normal raw recording seems to be the problem.