In my case I had running Http and the problem was while closing connection, by mistake i was trying to free an already freed connection in 'http_closed'. So it is better to call tcp_close if the connection is still active otherwise It will go to free the connection again.
On Tue, 28 Apr, 2020, 7:46 pm kvik86, <[email protected]> wrote: > Dear all, > > I encountered a problem using the STM32 H7 cube port of lwip. I frequently > see the processor stuck in the tcp timer loop (tcp_fasttmr, tcp_slowtmr) as > it iterates over the tcp_pcb-s. One of them points to itself in the next > field, so it stucks in the loop. > This hasn't happened until I had only one active connection, but I can't > rule it out. > > Any advices? > What could cause the problem? > > > Thanks! > > > > -- > Sent from: http://lwip.100.n7.nabble.com/lwip-users-f3.html > > _______________________________________________ > lwip-users mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/lwip-users
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