Jeff Johnson wrote:
   Running Rocks 4.1 on a 30 node system and seeing serious RX packet
loss, drops and overruns while running heavy MPI i/o over e1000.

If not already done, it may help to enable the FlowControl:
# insmod e1000 FlowControl=3

There are a lot of other parameters in the e1000 to play with!

-Jens





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