David Daney

> @ddaney-fungible Out of curiosity - do you experience issues with the non-compliant driver on HW or other than QEMU\KVM hypervisor? Yes. The failure was seen in a virtio-net function...

> @ddaney-fungible Can you please share with us the host features as suggested during feature negotiation? (better in hex) Thanks. device_feature[0] = 0x00010029 defice_feature[1] = 0x00000057 Driver is responding with:...

I think there is a misunderstanding of how to interpret those values. device_feature[0] = VIRTIO_NET_F_CSUM | VIRTIO_NET_F_MTU | VIRTIO_NET_F_MAC | VIRTIO_NET_F_STATUS device_feature[1] = VIRTIO_F_VERSION_1 | VIRTIO_F_NOTIFICATION_DATA | VIRTIO_F_ACCESS_PLATFORM | VIRTIO_F_ORDER_PLATFORM...

OK, it seems like I was conflating the meanings of Buffer and Segment. At this point it is somewhat academic, as I have adjusted the device behavior to work with...