Re: [lwip-users] pbuf multiple assertions

[Bill Auerbach]

>On Behalf Of Víctor Mateo
>We have an annoying error using lwIP. Our software is a NIOSII C/C++ application, without Operating System and Superloop.

>We are experiencing intermittent errors while trying to receive an UDP message, proccess data and send this proccesed data back.

>Two common errors that we get on NIOS console are:

>-Assertion "bad pbuf type" failed at line 548 in ../lwIP/src/core/pbuf.c

>-Assertion "p->ref == 1" failed at line 599 in ../lwIP/src/core/ipv4/ip.c

Can we see the UDP packet handling code?  It sounds like memory overwriting or using a NULL pbuf.

 

Bill