On Tue, 23 Nov 2021, Muni Sekhar wrote: > > Red Hat has a good article on the subject at > > https://access.redhat.com/solutions/42261. > NMI: IOCK error (debug interrupt?) for reason 60 on CPU 0. > NMI: IOCK error (debug interrupt?) for reason 70 on CPU 0. > What's the difference between reason 60 & reason 70? I was not able to > find it in the above mentioned link. For any practical purpose the value of bit #4 in the NMI Status and Control Register does not matter as (in a compatible system) it merely toggles with every DRAM refresh cycle. HTH, Maciej
