No source available for "0xfffffffe" happens frequently, how to solve this?
Error detail is as follows:
Target has been RESET and is active.
UsageFault: A divide by zero error has occurred.
UsageFault: An unaligned access error has occurred.
UsageFault: A coprocessor access error has occurred. The coprocessor is disabled or not present.
UsageFault: An integrity check error has occurred on EXC_RETURN.
UsageFault: An instruction executed with an invalid EPSR.T or EPSR.IT field.
UsageFault: The processor has attempted to execute an undefined instruction.
BusFault: A bus fault has occurred during lazy floating-point state preservation.
BusFault: A bus fault has occurred on exception entry.
BusFault: A bus fault has occurred on exception return.
BusFault: An imprecise (asynchronous) data access error has occurred.
BusFault: A precise (synchronous) data access error has occurred.
BusFault: A bus fault has occurred during instruction prefetching.
Possible BusFault location: 0xFFFFFFFF.
MemManage: Fault occurred during floating-point lazy state preservation.
MemManage: Stacking for an exception entry has caused one or more access violations.
MemManage: Unstacking for an exception return has caused one or more access violations.
MemManage: The processor attempted a load or store at a location that does not permit the operation.
MemManage: The processor attempted an instruction fetch from a location that does not permit execution.
Possible MemManage fault location: 0xFFFFFFFF.
HardFault: A fault has been escalated to a hard fault.
HardFault: A BusFault has occurred on a vector table read during exception processing.