Re: [lwip-users] Assertion "memp sanity" failed at line 463in../lwip_1_4_0/Src/core/memp.c

[Artem Pisarenko]

> Once again thanks for the detailed response, much appreciated.
I faced with exactly same problems and spent a lot of time to debug it. 
I'm glad to share my experience and save other people from such 
nightmares. :)

Additionally I found that pbuf_alloc() call hierarchy contains 
sys_mbox_***() calls. It may cause non-***FromISR() calls. Even if your 
lwip configuration exclude them, check whether your port do system calls 
in LWIP_PLATFORM_DIAG() and LWIP_PLATFORM_ASSERT() which are used in 
LWIP_DEBUGF() across all the lwip code.