1 Invalid 1 Not enabled 1 Processor context corrupt 1 MCIP not set in MCA handler 1 Neither restart nor error IP 1 In kernel and no restart IP 1 Corrected error 0 Spurious not enabled 1 Uncorrected no action required 1 Illegal combination (UCNA with AR=1) 1 Non signalled machine check 1 Action required with lost events 1 Action required; unknown MCACOD 1 Action optional: memory scrubbing error 1 Action optional: last level cache writeback error 1 Action optional unknown MCACOD 1 Action optional with lost events 1 Overflowed uncorrected 1 Uncorrected 0 No match