[ECOS] Ethernet arp/problem

[Erik Reikes]

Here's another data point for those that are interested : With optimization 
turned off the TCP stuff seems broken (the symptom is that it arp who-has an 
address and doesn't act after receiving the reply).  With it set to -O2 
thigs seem to work.

Pretty scary.  So somewhere probably in the driver code there is a race 
condition that works ok when optimized, but fails when the code is not 
optimized.  I just hope the error doesn't crop up during normal operation.

I'm pretty sure it is somehow related to the ARP stuff not getting updated 
properly.

-Erik Reikes

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