Bare Metal Debug !! - interrupt ERROR(TAD9-NAL52):  ! Unable to stop device Cortex-A9 !

Hi,

I get the error message as below for a bare metal debug

### prints from the command window

interrupt

ERROR(TAD9-NAL52):

! Unable to stop device Cortex-A9

! Cannot attain state requested.

More information: http://ds.arm.com/msgcode/ds5/ME-TAD9-NAL52

### DS - 5 version info

ARM DS-5 Professional Edition

Version: 5.20.0

Build number: 5200024

Full product installation (linux, x86)

Java HotSpot(TM) Server VM, version: 1.7.0_60