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Date: Wed, 09 Jan 2019 18:25:17 +1100 From: Benjamin Herrenschmidt <benh@...nel.crashing.org> To: Alexey Kardashevskiy <aik@...abs.ru>, David Gibson <david@...son.dropbear.id.au> Cc: Jason Gunthorpe <jgg@...pe.ca>, Leon Romanovsky <leon@...nel.org>, davem@...emloft.net, saeedm@...lanox.com, ogerlitz@...lanox.com, tariqt@...lanox.com, bhelgaas@...gle.com, linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org, netdev@...r.kernel.org, alex.williamson@...hat.com, linux-pci@...r.kernel.org, linux-rdma@...r.kernel.org, sbest@...hat.com, paulus@...ba.org Subject: Re: [PATCH] PCI: Add no-D3 quirk for Mellanox ConnectX-[45] 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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