I have been testing the Ethernet branch.   (mesa 7i80)  no issues what 
so ever.

Some of the hardware I have been testing is the

GIGABYTE GA-J1800N-D2H  rt-preempt latency 36us
http://electronicsam.com/images/KandT/testing/j1800.png

GIGABYTE GA-J1900N-D3V rt-preempt latency 66us
http://electronicsam.com/images/KandT/testing/j1900.png

All these latency tests have been done with idle=poll in the kernel line.

(these motherboards have one major issue - The usb's don't seem to work 
with any of the normal RTAI kernels...)  They seem to have decent 
latency with rtai - just no usb..  This may or may not be figured out in 
the future.

The J1900 is cool because it has dual nics - great for Ethernet 
solutions.. (also 1 normal pci slot as an option)
http://electronicsam.com/images/KandT/testing/IMG_20140717_110054_019.jpg

I have been tickling the stepgens on the 7i80 for days with no issues.

Great work!!
sam




On 7/17/2014 4:46 PM, Jeff Epler wrote:
> Not a lot has changed since my last report.  the rtos-uspace branch has
> been rebased a few additional times.
>
> In the absence of any concerns raised about this branch before July 20
> (Sunday), I plan to merge my work to the linuxcnc master branch.
>
> So if you want to raise any issues or just offer review comments, please
> feel free to do so in this thread.
>
> Jeff
>
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