Marcelo Tosatti wrote:
When two virtio devices share an interrupt virtio-net floods the console
with "this should not happen" message.
As Anthony points this is not a fatal condition: its possible that the
guest consumed all ring elements between the can_receive check and
actual net_receive call.
Thanks for catching this!
Signed-off-by: Marcelo Tosatti <[EMAIL PROTECTED]>
Acked-by: Anthony Liguori <[EMAIL PROTECTED]>
Regards,
Anthony Liguori
diff --git a/qemu/hw/virtio-net.c b/qemu/hw/virtio-net.c
index a61fdb1..2e57e5a 100644
--- a/qemu/hw/virtio-net.c
+++ b/qemu/hw/virtio-net.c
@@ -119,10 +119,8 @@ static void virtio_net_receive(void *opaque, const uint8_t
*buf, int size)
struct virtio_net_hdr *hdr;
int offset, i;
- if (virtqueue_pop(n->rx_vq, &elem) == 0) {
- fprintf(stderr, "virtio_net: this should not happen\n");
+ if (virtqueue_pop(n->rx_vq, &elem) == 0)
return;
- }
if (elem.in_num < 1 || elem.in_sg[0].iov_len != sizeof(*hdr)) {
fprintf(stderr, "virtio-net header not in first element\n");
--
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