Hi Casey Sorry, somehow didn't see this one come by. On Mon, Sep 25, 2017 at 05:46:40PM +0000, Casey Leedom wrote: > | From: Robin Murphy <robin.murphy@xxxxxxx> > | Sent: Wednesday, September 20, 2017 3:12 AM > | > | On 20/09/17 09:01, Herbert Xu wrote: > | > > | > Harsh Jain <Harsh@xxxxxxxxxxx> wrote: > | >> > | >> While debugging DMA mapping error in chelsio crypto driver we > | >> observed that when scatter/gather list received by driver has > | >> some entry with page->offset > 4096 (PAGE_SIZE). It starts > | >> giving DMA error. Without IOMMU it works fine. Not sure how the page->offset would end up being greater than page-size? If you have additional traces, please send them by. Is this a new driver? wondering how we didn't run into this? Cheers, Ashok
