Robert> On a gen2 system when using /proc/bus/pci/nn/mm.m to
Robert> access the PCI configuration space of an HCA in an attempt
Robert> to read the VPD for the adapter, the flag bit in the VPD
Robert> address fails to set after a reasonable delay after
Robert> writing a new address and the VPD data are invalid. Other
Robert> adapters (e.g. Broadcom NICs) that also have a VPD do set
Robert> the flag bit and return valid VPD data. Any ideas?
This isn't a gen2 issue -- the driver is irrelevant, since this is
purely a PCI operation that would work if no driver is loaded.
Unfortunately I don't know much about the behavior of PCI VPD with
Mellanox HCAs so I can't help you.
- R.
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