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MCU-PLUS-SDK-AM273X: LWIP TCP server: Fail to reconnect after disconnect/connect for several times

Part Number: MCU-PLUS-SDK-AM273X
Other Parts Discussed in Thread: AM2732

Hi,

My customer is doing ethernet test with LWIP driver in mcu_plus_sdk_am273x_08_04_00_17. There is a LWIP TCP server on AM2732 and a TCP client on a PC. The TCP client will connect and disconnect the server multi time by the script. Customer found the connection will fail after several times of connection/disconnection.

Customer uses netconn_close, netconn_delete to free the resource. The return value of netconn_close, netconn_delete for the last successful connection on AM2732 are ok. netconn_accpet return -13 (ERR_ABRT) when the connection failed.

Would you pls kindly help on this? Is there any resource not free completely?

Thanks,

Chris