WARN ("read block command failed %d status %02x\n", block, ret);
status = _ao_sdcard_send_status();
WARN ("\tstatus now %04x\n", status);
WARN ("read block command failed %d status %02x\n", block, ret);
status = _ao_sdcard_send_status();
WARN ("\tstatus now %04x\n", status);