[lwip-users] Re: [lwip] Rx problem

[Leon Woestenberg]

Hello Vincente,
>
> I have created a test program that sends 15 strings from a port created in
1
> process to a port created and listening in another process.
> The port listening receives all the data except the 3rd string. This
happens
> consistently (always the 3rd string) even when I change the number of
> strings transmitted.
>

Check if the 3rd string happens to be a odd length string, and the others an
even length string.

In combination with a wrong MEM_ALIGNMENT setting, this would,
or can, cause the TCP stream to fail (because of some ACK problem).

It happened to me on a fixed string from the httpd.c.

Leon.

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