CURRENT: net/igb broken

[Hans Petter Selasky]

On 09/15/15 12:56, O. Hartmann wrote:
> Running CURRENT as of today (r287817), it seems that the network system of
> CURRENT is corrupted. The machine in question is a Fujitsu server Primergy RX
> 1330 with two Intel "igb" devices (igb0 and igb1).
>
> the network is now on both devices unreachable. With or without IPFW
> (disabling, having first rule to allow everything in/out) doesn't matter.
> Nothing get to or from that box on any device.
>
> With FreeBSD 11.0-CURRENT #4 r287592: Wed Sep  9 09:09:23 CEST 2015  amd64 I
> had no problems.
>
> Any ideas?
>
> Thanks in advance,
>
> Oliver

Just to rule out r287775, can you disable TSO?

--HPS