On Thu, Sep 11, 2014 at 12:26 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
>
> This is amd two node systems. amd_bus.c tell us bus [00, 7f] is from
> first socket, but _OSC says only [0,7] is from first socket.
That might also explain why Dirk doesn't see it on his other machine.
The other machine doesn't have a buggy ACPI table bus limit.
So yeah, trusting actual hw more than the _OSC entry sounds like the
fix. I don't understand why hardware designers seem to think that ACPI
is a good model, when it would have been so much better to just
introduce hardware standards instead.
Oh well. I guess that boat sailed long long ago.
Linus
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