Re: [lwip-users] What's wrong according to logs

[Caglar Akyuz]

zhou yi wrote:

>> zhou yi wrote:
>>> Dear all:
>>>     I port LwIP 1.1.1 to at91sam7x256 with rtl8201 phy, and write a 
>>> modbus tcp procotol, now I test my modbus tcp procotol, the system run 
>>> for about 30 minutes, the log will like this:
>>> Assertion "pbuf_free: p->ref > 0" failed at line 574 in 
>>> E:\work\7x256.200807251944\7x256\src\LwIP\src\core\pbuf.c
>>> Assertion "mem_free: legal memory" failed at line 149 in 
>> [snip]
>>
>> Do you have more than one thread operating on lwIP at one tAssertion 
>> "mem_free: legal memory" failed at line 149 in ime? If so,
>> that may be your problem.
>   No, I have only 3 thread created. One for led control, One for httpd deamon 
> but never used, One for modbus tcp which will use lwip.


Do you use freeRTOS port? Because that port creates a task for lwip other than 
user created tasks.

Caglar