On Thu, 2016-04-28 at 16:09 -0400, Neil Horman wrote:
> This was recently reported to me, and reproduced on the latest net kernel,
> when
> attempting to run netperf from a host that had a netem qdisc attached to the
> egress interface:
>
> - return NET_XMIT_SUCCESS;
> +finish_segs:
> + while (segs) {
> + skb2 = segs->next;
> + segs->next = NULL;
> + qdisc_skb_cb(segs)->pkt_len = segs->len;
> + rc = qdisc_enqueue(segs, sch);
> + if (rc != NET_XMIT_SUCCESS) {
> + if (net_xmit_drop_count(rc))
> + qdisc_qstats_drop(sch);
> + }
> + segs = skb2;
> + }
> + return rc;
> }
It seems you missed the qdisc_tree_reduce_backlog() call ?
