linux-kernel - Re: [BUG] Bisected Problem with LSI PCI FC Adapter

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Message-ID: <CA+55aFx_Kgb6FcOoyQOb=7ud9VL4T3g2EoeOhuPAHUPa-+eG+A@mail.gmail.com>
Date:	Thu, 11 Sep 2014 13:42:59 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Dirk Gouders <dirk@...ders.net>,
	Andreas Noever <andreas.noever@...il.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>
Subject: Re: [BUG] Bisected Problem with LSI PCI FC Adapter

On Thu, Sep 11, 2014 at 12:26 PM, Yinghai Lu <yinghai@...nel.org> 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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