I have tried and it says "Requires constraint not satisfied: !CYGIMP_HALCOMMON_INTERRUPTS_USE:INTERRUPT_STACK" >I think you should use 'pc' instead of 'hal_i386' -- Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos and search the list archive: http://sources.redhat.com/ml/ecos-discuss