Hi all, Since rtems-libbsd is too heavy for our project, so I tried to port Lightweight TCP/IP stacks. First I tried lwip, it worked but crashed now and then. The PC pointed at function _Heap_Block_split()??I could not figure it out. So I tried cycloneTCP . It is more simple than lwip. But I encountered the same problem. System still crashed at _Heap_Block_split() sometimes (random), It made me crazy :( I tried on diffrent CPUs (zynq7020, sunxi-t3), the problem was still there. _Heap_Block_split() is a core function, It seems to have nothing to do with the stack. Attachments are error messages and disassembly code. Any advices? Thanks.
crash_messages
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