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Re: [lwip-users] RE: tcp_write() called in invalid state

From: Christiaan Simons
Subject: Re: [lwip-users] RE: tcp_write() called in invalid state
Date: Tue, 23 May 2006 09:50:39 +0200

Lee wrote:

> Is there any chance of someone offering any views on the issues ive
> be posting or am i just waisting my time with this !!!!!!!!!!!!!!

ok, ok, please don't push us for answers...

> these :-
> tcp_write() called in invalid state

Reading from the code, you're possibly trying to write
some data when the TCP state doesn't allow you to do so.

Maybe the connection has closed for some reason,
maybe you should find out the TCP state you're in.

> problem is caused when telneting into the stack.

Is this the telnet example from contrib/ports/unix/unixsim ?
(or derived work)

I have my doubts on the netconn layer code, especially
closing down a TCP connection with pending data may
give some errors.

Sorry, we haven't got the time to investigate this.


Christiaan Simons

Hardware Designer
Axon Digital Design


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