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Re: [lwip-users] ip_reass stop


From: Valdemar
Subject: Re: [lwip-users] ip_reass stop
Date: Tue, 29 Jan 2008 20:31:05 +0100
User-agent: Thunderbird 2.0.0.9 (Windows/20071031)

Hi
Thanks Oleg for pointing out my error. I have corrected it, but the abort with ping -l 1600 remains. The error with the UDP-block is
also the same with any port I send to.

Frédéric:
Could you tell me the relevant values for receiving large datagrams
that you use?
I have no means to trace the program. I have to put in my own special
logging functions to do that. Try that tomorrow.

Germund Asp


Frédéric BERNON skrev:
I don't have any problems with my target with "ping -l 65500". But I have high 
values in my lwipopts.h to be able to receive large datagrams. Do you have try to 
activate some traces to see where is the problem ?

==================================== Frédéric BERNON HYMATOM SA Chef de projet informatique Microsoft Certified Professional Tél. : +33 (0)4-67-87-61-10 Fax. : +33 (0)4-67-70-85-44 Email : address@hidden Web Site : http://www.hymatom.fr ====================================
P Avant d'imprimer, penser à l'environnement

-----Message d'origine-----
De : address@hidden [mailto:address@hidden De la part de Valdemar
Envoyé : mardi 29 janvier 2008 15:28
À : Mailing list for lwIP users
Objet : [lwip-users] ip_reass stop


Hi
When trying to find out why my lwip-application suddenly stops receiving I 
found that sending an UDP block of more than 1476 bytes to my application 
caused a memory error. I got an abort in the function ip_reass at offset 0x308. 
I get the same error when pinging with the same amount of bytes.

My application works fine when running in my small laboratory network, but when 
it is put in my customers much bigger network it stops receiving after a while. 
I guess my application receives something that makes it stop.

Would be much grateful for any ideas of what I can do to fix this.

Thanks
Germund Asp

Attached is my lwipopts file.




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