TCP/IP problem : 'Still waiting for mbuf cluster'

[Sergei Organov]

"Sylvain Prestavoine"
<sylvain.prestavoine at memobox.fr> writes:

> ----- Original Message ----- 
> From: "Sylvain Prestavoine" <sylvain.prestavoine at memobox.fr>
>> But why the problem appear when the TCP client send one message window
>> update or
>> window is null ?
>> Why that disrupt the RTEMS stack IP ?
>> The flow control shouldn't have cause this effect, no ?
>> 
>> I don't understand it.
>> 
>
> Is it the 'silly window syndrome' ?
> Because this problem appear with an client software particularly slow.
> In use with telnet program, it working properly...
> (  my application send a lot of byte after receive a command ).

When client reads the data fast, your RTEMS app doesn't use all the
memory configured for socket buffers, I think, thus it continues to work
even though the socket buffer size limit is high.

-- Sergei.