Thiw webrev fixes the problem of improper handling of page table attributes related to caching while allocating a DMA-compatible memory via ddi_dma_mem_alloc(). The patch adds extra attribute check to ddi_dma_mem_alloc(). http://cr.illumos.org/view/asjt99s5/illumos-534-webrev/ Sincerely, Michael Tsymbalyuk