On Wed, 2019-01-09 at 17:32 +1100, Alexey Kardashevskiy wrote: > I have just moved the "Mellanox Technologies MT27700 Family > [ConnectX-4]" from garrison to firestone machine and there it does not > produce an EEH, with the same kernel and skiboot (both upstream + my > debug). Hm. I cannot really blame the card but I cannot see what could > cause the difference in skiboot either. I even tried disabling NPU so > garrison would look like firestone, still EEH'ing. The systems have a different chip though, firestone is P8 and garrison is P8', which a slightly different PHB revision. Worth checking if we have anything significantly different in our inits and poke at the HW guys. BTW. Are the cards behind a switch in either case ? Cheers, Ben.