getting "DES0_RX_STAT_ERR" from lwip + socket + FReeRTOS on EK-TM4C1294XL board.

Hello,

I'm now having the EK-TM4C1294XL board, trying make an UDP socket application. lwip+socket+FreeRTOS build was done.

The UDP socket application is working, but I'm getting "DES0_RX_STAT_ERR" form Tiva-tm4c129.c::tivaif_receive() whenever two or three packet are arrived.

In side of remote, five times sendto() are called without interval, then I'm getting "DES0_RX_STAT_ERR".

/*

for(int i=0;i<5;i++)
{
error = sendto(...);
}

*/

But, In side of remote, five times sendto() are called with 15ms delay, then all UDP packet are arrived on EK-TM4C1294XL board.

/*

for(int i=0;i<5;i++)
{
error = sendto(...);

usleep(15000);
}

*/

Any comment would be appreciate.

Thanks & B. Regards,

Jee.