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STM32F207 based Nuculeo Board hangs while running netcom lwip application

Question asked by singhi.kapil on Oct 13, 2016
Latest reply on Nov 3, 2016 by ForumSTM32.ForumSTM3

I am using Nucelo 144 STM32F207 based board and running Netcom Application using keil version 5.

Problem 1:-
sometimes while serving a page it hangs and need a restart.
on debugging i found oot it is stuck in following

void vTaskSwitchContext( void )
    if( uxSchedulerSuspended != ( UBaseType_t ) pdFALSE )
        /* The scheduler is currently suspended - do not allow a context
        switch. */
        xYieldPending = pdTRUE;

Seems like the task switching is suspended.

observing the IP traffic on wireshark it seems PC is still in touch with the stm32f207

Problem 2 :-
sometimes connection is made and is closed without allowing any thing
I use Hercules tool( in client mode) from HW Group company to connect to board