There are 2 real questions I have:
1. Why are these devices hidden? I understand some of the other icore7
cpus devices behave as I would expect.
I suspect its because they should not be normally accessed; it's "internal"
functionality of the uncore. They don't provide any direct user visible devices.
Why do you want to access them?
2. If the devices can not be made to be used as a normal pci device
what is the best way to access them?
What currently works is to boot with pci=noacpi,lastbus=255
You need a recent kernel that has a off by one fixed that prevent
accessing bus 255 this way earlier.
-Andi
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