Hi Dan, There may be an issue when ADMA doesn't support xxxx_prep_dma_zero_sum() support OR not setting destinations to zero (ASYNC_TX_XOR_ZERO_DST) . Could you please comment on what are issues on not zeroing dest when ASYNC_TX_XOR_ZERO_DST is set. Thanks, Marri -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html