On Sat, 18 Aug 2018 01:15:02 -0700 Darci Saucedo <dsauced...@gmail.com> wrote:
> Hi there, does anyone have an idea what this problem might be? > > +0.030755] DMAR: [DMA Read] Request device [05:00.0] fault addr 440000000 > [fault reason 06] PTE Read access is not set > > I'm writing a NIC driver with VFIO and IOMMU support. I believe I'm > doing/setting up everything correctly but when I run my driver I get this > error. The error is pretty much as it sounds, device 05:00.0 tried to read from IOVA address 0x440000000, which is either not mapped or does not have read permission set in the IOMMU. IOW, the device is doing a DMA read from an address you're not expecting or have not correctly mapped for the device. Thanks, Alex _______________________________________________ vfio-users mailing list vfio-users@redhat.com https://www.redhat.com/mailman/listinfo/vfio-users
