Hey Joe, Casperites,

Can you log into the powerpc and run ifconfig on a roach 2?  I've done this
to troubleshoot 10 gbe on a roach1, and I was able to see that I truly did
enable the ten gbe using tap start, as it is listed in the ifconfig output
and then there is some data about packets sent and received.  I'm assuming
you've probably done this to get the info you provide in your initial
email.  If the buffer overflows on the one gbe, does anyone know the
behavior?

I ran into some issues on a roach 1 where the 10 gbe buffer would fill up
and overflow before i had run tap_start (if I recall correctly).  In that
case, no data would ever be transmitted, and I had to add a software
register to the overflow port to see this was the case.  Executing
tap_start before enabling my logic to send data fixed this.


On Thu, Mar 13, 2014 at 11:33 AM, Kujawski, Joseph <[email protected]>wrote:

> Jason,
>
> They are aligned now, but still no dice.  Is the expected behavior that
> the one_GbE will broadcast a UDP packet once the EOF and last valid word
> flags are set?
>
> -Joe Kujawski
>
>
>

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