> For SD a CMD13 after CMD38 is required, too. > I guess I can add that. Just realized that sending CMD13 is not sufficient as the kernel will poll because of R1B and clear the error flag. Anyway I have this kernel patch for a write flag bit that aggregates errors during polling until card is in TRAN again. I will send it then, since I don't think there is a good way of solving this for SD in mmc-utils, please consider this patch on its own. Regards, Christian Hyperstone GmbH | Reichenaustr. 39a | 78467 Konstanz Managing Director: Dr. Jan Peter Berns. Commercial register of local courts: Freiburg HRB381782