[ECOS] Stall in Ethernet Stack

[Richard Rauch]

Hi All,

we have a problem with the Ethernet Stack (FreeBSD).
We have heavy communication load on Ethernet. After a while the stack hangs.
It looks like, that events inside the stack are lost.
We changed some default values from the stack configuration, because we need
some more sockets (about 30).
We found, when we are increasing the Value "Number of supported pending
network events", then the stacks works better.
But when we have connections over several sockets at the same time with
communication load, then the stack hangs again.
What is the functionality behind this Parameter. How we have to calculate
the correct value?
Is our problem only, that the value of this parameter is to small, or is the
problem somerwhere else inside the stack?


Thanks in advance

Richard



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