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SubjectRe: [PATCH] PCI: Add no-D3 quirk for Mellanox ConnectX-[45]
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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.


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