On Sun, Oct 12, 2014 at 10:24:08PM +0000, Wangyong wrote:
> I'think the function compose_output_action__ has a serious bug.
>
> When the host A has to virtual machine VMa and VMb. if huge traffic from VMa
> to VMb, then offline
> the VMb, and this function enter the first condition. so the action length is
> zero. so when return, the
> OVS will generate a DROP flow entry to the datapath.
> if (!xport) {
> xlate_report(ctx, "Nonexistent output port");
> return;
> } else if (xport->config & OFPUTIL_PC_NO_FWD) {
If there's no place to send the data, it has to be dropped. That's what
that condition is checking for.
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