Hi Mike,

thanks for your reply. I forgot to mention that I'm running the lowlatency package of kernel 4.8.0-58. The thing is that, the team wants 16.04 Ubuntu because of the ROS Kinetic development, so I don't think I can use a 3.x kernel (although last time I checked there is also a 4.x PREEMPT_RT patch also).
I thought that, too - however, it is no problem at all to compile your own 3.18 kernel on Ubuntu 16.04 and just install it - that is what we are currently running.

since Martin mentioned that he is using a generic driver, I guess that is OK - however, notice his hardware is probably also a high-quality, dedicated NIC via PCIe (e1000e) - the hardware of the ethernet device/NIC makes a big difference!


Jürgen
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