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CCS/TM4C1294KCPDT: How to identify/debug the reason for controller reset

Part Number: TM4C1294KCPDT

Tool/software: Code Composer Studio

Hello Team,

I have a heavy application built using TM4C1294 TI-RTOS that uses Ethernet(Http, SNMP), USB, CAN, controls (Wifi, GSM, RF) modules and much more and now nearly in the final stages of the development process.

Now unfortunately i get into unexpected Bios Exit when the device runs for more than 15 minutes. Checked the Stack sizes and they are well big enough.

Exit happens with the below debug message. Any clue on how can i track the root cause of this ?. Any call stack info's possible to get the info of the last called tasks ? 

FSR = 0x0000
HFSR = 0x40000000
DFSR = 0x00000001
MMAR = 0x6576696c
BFAR = 0x6576696c
AFSR = 0x00000000
Terminating execution...