[lwip-users] lwIP-1.3.2 netconn_new-netconn_delete issue

[Alex2051]

FreeRTOS 7

At the start I create a connection:
        conn = netconn_new(NETCONN_TCP);
        conn->recv_timeout = 60000; // timeout = 60sec

And it works  good for hours.
And when server close connection I catch a timeout of netconn_recv
operation. So I'am trying to reconnect:
...
netconn_delete(conn);
vTaskDelay(1000);
conn = netconn_new(NETCONN_TCP);
conn->recv_timeout = 60000;
...

And what I get: from this point stack receive every data packet whith delay
exactly = 60seconds! In terminal I see gprs-modem sends packets correctly,
but stack holding them until 60sec elapsed.

What can be wrong?
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