On Thu, 23 Nov 2006 08:32:52 -0800 Sanjeev Jorapur <[EMAIL PROTECTED]> wrote:
> > > > You should then set the same value for pci_set_dma_mask, because then the > > IOMMU > > can help. See both b44 or tg3 drivers, they have to deal with odd size > > masks. > > I don't think you have to do all the bounce buffer work in the driver. > > > > We had tried something like this earlier, but found that on some > platforms (Opteron, IA64), we got kernel panics when the kernel > ran out of translation entries. That's a bug, it should be fixed there. It would make sense to reduce the size of the Tx queue if not enough translation entries were available. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html