RE: [lwip-users] Assertion in new ICMP code when more than one pbuf isused and keep alives

[Goldschmidt Simon]

> Hi
> 
> I get an assertion in the new ICMP code (adding space in 
> front of the packet for ethernet header) when the incoming 
> ICMP packet occupies more than on pbuf.
> 
> Assertion "cmp_input: copying to new pbuf failed " failed at 
> line 117 in /pathtosource/lwip/core/ipv4/icmp.c
> 

Thanks for reporting this. It seems like a rather silly bug
inside pbuf_copy(). I'll work on that (reopened task #19937).

> 
> Also I see keep alive packages send for a TCP connection but 
> the option in opt.h is set to 0.
> 

I'm afraid I can't help you there, I didn't ever test TCP keepalives!



Simon