txx9dmac_first_active
txx9dmac_dostart(dc, txx9dmac_first_active(dc));
bad_desc = txx9dmac_first_active(dc);
txx9dmac_dostart(dc, txx9dmac_first_active(dc));
txx9dmac_dostart(dc, txx9dmac_first_active(dc));
txx9dmac_dostart(dc, txx9dmac_first_active(dc));