Hi Fabio, > > I did as suggested: > > --- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c > +++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c > @@ -266,7 +266,8 @@ static void iwl_pcie_rxmq_restock(struct iwl_trans *trans, > list_del(&rxb->list); > rxb->invalid = false; > /* some low bits are expected to be unset (depending on hw) */ > - WARN_ON(rxb->page_dma & trans_pcie->supported_dma_mask); > + WARN_ONCE(rxb->page_dma & trans_pcie->supported_dma_mask, > + "rxb->offset is %d trans_pcie->rx_buf_bytes > is %d\n", rxb->offset, trans_pcie->rx_buf_bytes); > > [ 5.038174] rxb->offset is 0 trans_pcie->rx_buf_bytes is 4096 so that looks pretty normal? Might be useful to see rx->page_dma too, supported_dma_mask should be 4095 or 2047 depending on the device, but I'm not sure how you could end up with a DMA mapping for a page that's not at least 11 bit aligned? johannes
